Maquinaria Naval Parte a-D

8/18/2019 Maquinaria Naval Parte a-D

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Examen de Ascenso de Jefe de Maquinas

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Maquinaria Naval

EM-01-Plan and Schedule Operations

Question Code Question

SETS15KFOZPY! " 1# $ the al%alinit& o$ the 'ain en(ine )ac%et *ater *as

droppin(+ *hat *ould &ou chec% $irst,

./ eels o$ additie 2ein( added#

3/ Sea *ater lea%a(e at the heat e4chan(er#

C/ Conta'ination o$ the toppin( up *ater#

!/ .'ount o$ *ater added to the header tan%#

SET010000001667 " 7# 8hat is the 'ost practical *a& to control the hu'idit& o$

the cooled air to the

acco''odation as *ell as e$$icienc& control in tropical cli'ates ,

./ Keep portholes and ents closed#

3/ Keep the outside *aterti(ht doors closed as 'uch as possi2le#

C/ Keep 2oth $resh air inta%e and recirculation open + throttle *ith F#.##

!/ Ensure (alle&+ laundr& roo'+ dr&in( roo' doors al*a&s closed#

SETS196P:5;.

>:31.69P "


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3/ to %eep the en(ine runnin( at reduced load until it has cooled do*n#

C/ to stop the en(ine and %eep the cran%case doors shut until the en(ine has

cooled#

!/ to stop the en(ine and shut o$$ the lu2ricatin( oil suppl& i''ediatel

SETS1.TDSZ1MM " B# 8hat is the di$$erence *hen usin( a centri$u(al separator

as a clari$ier rather than a puri$ier,

./ 8hen clari$&in( a di$$erent set o$ discs 'ust 2e used#

3/ Clari$iers *ill use a di$$erent sie o$ da' rin(#

C/ The clari$ier does not re@uire a *ater seal#

!/ There *ill 2e less discs and *ider separation spaces *hen clari$&in(#

SETS17EDBC"?! " 10# !ue to a 'a)or lea%+ all o$ the 'ain en(ine lu2e oil is in the

en(ine roo' 2il(es# .$ter

repairin( the lea% ho* *ould &ou proceed,

./ Pu'p the oil to the renoatin( tan%+ puri$& and re-use#

3/ e-use hal$ o$ the oil and top up *ith ne* oil#

C/ Pu'p oil to the renoatin( tan% and rene* entire en(ine oil char(e#

!/ e-use the oil a$ter puri$&in(#

SETS1.78E;F;9 " 11# To o2tain the 'a4i'u' e$$icienc& *hen operatin( a

centri$u(al separator+ hea& $uel oil

should 2e###./ puri$ied at 2un%er tan% te'perature#

3/ puri$ied *ith the constant addition o$ *ater#

C/ heated to a 'ini'u' o$ 170GC 7ZYD=!SM " 17# 8hat is the 'ost serious conse@uence o$ scale $or'ation

on the *ater side o$ 2oiler tu2es,

./ ncreased $uel consu'ption due to reduced heat trans$er#

3/ oss o$ e$$icienc& due to reduced heat trans$er#

C/ Oerheatin( o$ tu2es due to reduced heat trans$er#

!/ ncreased $eed consu'ption due to reduced heat trans$er#

SETS1.E!DST"S1 " 1=# $ a lu2e oil anal&sis report *as receied indicatin( *ater

conta'ination o$ the oil+ *hat

action *ould &ou ta%e,

./ Ta%e no action until receiin( the results o$ a second sa'ple#

3/ nesti(ate possi2le source+ puri$& and su2'it $urther sa'ple#

C/ ene* the entire oil char(e+ repair the lea% and su2'it a $urther sa'ple#

!/ ncrease the puri$ier hours and su2'it another sa'ple#

SET01000000711B " 1


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SETS1Y63YQ00D: " 1># !urin( operation o$ the 'ain en(ine+ the e4haust

te'perature increases on one o$ the

c&linders# The tur2ochar(er starts sur(in( and s'o%e is co'in( $ro' the inlet air $ilter#

8hat is the pro2a2le cause,

./ Tur2ochar(er $ailure#

3/ Fuel ale seied in the open position#

C/ Scaen(e 2o4 $ire#

!/ i(h 2ac% pressure in the e4haust s&ste'#

SET010000001>B5 " 16# On 2oard &our essel the 'ain en(ine consu'es hourl&

1=65 litres FO+ the 2oiler 5>0

litres per hour and the au4iliar& diesel 1>> litres per hour# .t *hat throu(hput shall &ou

$eed

the FO puri$ier,

./ 7>00 litresHhour

3/ =600 litresHhour

C/ 7=50 litresHhour

!/ =700 litresHhour

SPECTTB;?P; " 1A# The Itra$$ic li(htI approach is a s&ste' $or dealin( *ith

'aterial chan(es in circu'stances#

o* 'an& chan(es are re@uired $or the li(ht to chan(e $ro' (reen to a'2er,./ <

3/ 7

C/ =

!/ 1

SETS1CM:SC?.DA " 1B# 8hat is the 'ost serious conse@uence o$ piston da'a(e in

a trun% piston t&pe diesel

./ !a'a(e to c&linder liner#

3/ oss o$ en(ine po*er output#

C/ Conta'ination o$ the lu2e oil#

!/ Cran%case e4plosion#

SETS1"BSA=M11: " 70# 8h& is it i'portant to slo* do*n the 'ain en(ine PM

*hile *ater *ashin( the

tur2ochar(er,

./ To preent the rotor $ro' 2eco'in( un2alanced#

3/ To protect the e4haust (as econo'ier#

C/ To protect the 2lo*er anes and 2earin(s#

!/ To protect rotor 2lades $ro' da'a(e#

SPECTY59:DZ!!9K " 71# There are three 2arriers *hich can o$ten 'a%e deelopin(

an e$$ectie en(ine roo' tea'

harder# These areJ

./ .(e+ ran% and certi$ication#

3/ Culture+ ran% and certi$ication#C/ .(e+ ran% and culture#

!/ Culture+ certi$ication and a(e#

SETS1.AF7T.9B " 77# The header tan% 2oils up @uic%l& in the 'ain en(ine )ac%et

*ater coolin( s&ste'# 8hat is

the 'ost li%el& reason,

./ There is a crac%ed c&linder liner+ or coer#

3/ The en(ine is oerloaded#

C/ The e4pansion tan% leel is too lo*#

!/ The )ac%et *ater circulatin( pu'p is 'al$unctionin(#


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SET010000001665 " 7=# You are re@uired to order 1 &ears suppl& o$ re$ri(erant

co'pressor oil and &ou esti'ate that

consu'ption *ill 2e


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./ Shut do*n the 2oiler and drain the lines#

3/ Chec% the colour o$ the $unnel e'ission#

C/ Open the drain on the $uel oil suction $ilters#

!/ Test $or *ater at the settlin( tan% drain#

SETS1!?ED1ABE " =1# n a chilled *ater air conditionin( s&ste'+ *hat is the

possi2le dan(er i$ the acco''odation

ent $ans stop,

./ That the co'pressor *ill oerload#

3/ That the chiller *ill $reee up#

C/ That the co'pressor 2urstin( disc *ill rupture#

!/ That the e4pansion ale *ill $reee up#

SETS1"># On )oinin( a essel+ *hat pollution certi$icate *ould &ou

chec% *as alid,

./ Classi$ication sure& certi$icate $or oil&H*ater separator# 3/ OPP certi$icate#

C/ e(istration authorit& pollution certi$icate#

!/ Oil& *ater separator+ re(isteration authorit& approal certi$icate#

SETS1?M378:!? " =6# You are e4periencin( 2lo*-2& on the 'ain en(ine 2ut+ due

to operational circu'stances+ it

. is i'possi2le to stop and carr& out a piston oerhaul# 8hat is the correct action to ta%e,

./ ncrease c&linder oil consu'ption#

3/ educe speed and closel& 'onitor e4haust te'perature on the a$$ected unit#

C/ educe speed te'poraril& and increase c&linder oil suppl


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!/ Continue runnin( at nor'al load and speed+ alert the *atch%eepers to 'onitor

conditions#

SETS1:C8=CSQK " =A# $ &ou 2un%er $uel *ith a hi(h sulphur and ash content+

*hat action *ould &ou ta%e,

;

./ Operate the 'ain en(ine at reduced load#

3/ Set the hi(h e4haust te'perature alar's sli(htl& hi(her#

C/ ncrease the puri$ication te'perature#

!/ o*er the puri$ier throu(hput#

SETS1TA5ZQ?Q? " =B# 3e$ore 'a%in( an annual load line inspection+ the sure&or

'ust see###

./ onl& the current load line certi$icate#

3/ onl& the preious annual certi$icate o$ sure

C/ all sa$et& certi$icates#

!/ onl& the current certi$icate o$ class#

SETS1T>=;=!SM= "


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!/ The anodes are suita2le $or $urther use#

SETS1:79D3T0O> " 0A " 50# $ the *atch%eepin( en(ineer reported the 'ain $uel $ilters

re@uired constant cleanin( in poor

*eather+ *hat *ould &ou suspect,

./ n(ress o$ sea *ater into the $uel#

3/ .ir in the $uel s&ste'#

C/ Slud(e 2ein( pic%ed up in the $uel tan%s#

!/ Poor @ualit& $uel suppl

SETS1"=QYQ35?5 " 51# $ the oil&H*ater separator dischar(e is a2oe the

'a4i'u' allo*a2le leel *hat *ould &oue4pect to happen to preent oil dischar(e,

./ . isi2le alar' in the control roo' and on the 2rid(e alerts the *atch%eeper#

3/ .n alar' sounds and the dischar(e is du'ped to the 2il(e#

C/ The 2il(e dischar(e pu'p is stopped and an alar' sounds#

!/ .n audi2le alar' sounds in the control roo' to alert the *atch%eeper#

SET010000007171 " 57# 8hich o$ the $ollo*in( is the Chie$ En(ineerIs o2li(ation to

calculate in adance $or the ne4t

o&a(e and 'a& not 2e dele(ated,

./ Spares and consu'a2le stores essential $or the o&a(e#


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Maquinaria Naval

3/ .ll o$ these options#

C/ u2 oil re@uire'ent#

!/ Fuel re@uire'ent#

SETS1?.51T " 55# .ccordin( to re(ulations+ on 2oard ships it is necessar& tohae P:MP E!:"!."CY#

8hat does this 'ean ,

./ . stand-2& pu'p 'ust 2e aaila2le $or each pu'p separatel&

3/ .ll pu'ps in the en(ine roo' are duplicated

C/ T*o identical pu'ps 'ust 2e $itted $or each circuit#

!/ .ll essential pu'ps in the en(ine roo' hae a 2ac%-up possi2ilit&

SETS15B.8Z!1O5 " 5># 8hat *ould 2e the $irst indication o$ an incipient pro2le'

*ith the proision roo'Is

re$ri(eratin( plant,

./ So$tenin( o$ the deep $reee contents#

3/ ise in te'peratures o$ the proision roo's#

C/ ncrease in eaporator return te'peratures#

!/ ncreased re$ri(erant co'pressor runnin( hours#

SETS1"O6CEMYFB " 56# 8hich o$ the $ollo*in( salts+ $ound in 2oiler $eed *ater+

can 2e responsi2le $or the 'ost

da'a(in( e$$ects,

./ Calciu' Sulphate#

3/ Ma(nesiu' Chloride#

C/ Ma(nesiu' Sulphate#

!/ Sodiu' Chloride#

SET010000001607 " 5A# Suppose the cran%case oil s&ste' contains 1A0 - 1A50 litres per hour#

3/ 7=00 - 7


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3/ The 2otto' c&linder liner seals#

C/ The en(ine inlet and outlet connections#

!/ The c&linder coerHliner )oint#

SETS1PFECC9EO " >0# The plate heat e4chan(er is separated $or cleanin(# o*

should this 2e carried out i$ the

plates are 2adl& coated,

./ Fit a spare set o$ plates and hae the dirt& plates cleaned 2& a specialist contractor#

3/ Put the plates in *ater *ith cleanin( che'icals# :se a so$t 2rush or hi(h

pressure

cleaner *ith care#

C/ :se a *ire-2rush or 'etal scraper to clean the plates#

!/ :se a scraper and hi(h pressure cleaner#

SETS1MYP"T!O.F " >1# 8hat precaution 'ust 2e o2sered *hen $ittin( ne*

anodes to heat e4chan(er sea *ater

spaces,

./ Ensure no da'a(e is caused to the e4terior sur$ace o$ the anode#

3/ Ensure (ood+ clean contact is 'ade 2et*een anode and cooler 2od

C/ PTFE tape applied to the plu( threads to ena2le eas& re'oal#

!/ Ensure the anode is as close as possi2le to the tu2e plate#

D!T;E0F8ZS


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Maquinaria Naval

./ > to A

3/ < to >

C/ 7 to <

!/ 1 to 7

SET010000001601 " 5# 8hat is the usual inlet te'perature o$ Main En(ine

lu2ricatin( oil to the puri$ier Tin/ ,

./ 65 de(ree C

3/ 60 de(ree C

C/ A5 de(ree C

!/ B5 de(ree C

SET010000001>55 " ># 8hat %ind o$ $uel oil s&ste' is sho*n here ,

./ . (as oil s&ste'#

3/ . 2lend $uel oil s&ste'#

C/ . hea& $uel oil s&ste'#

!/ . 'arine diesel oil s&ste'#

SET010000007 " 6# n a naturall& aspirated < c&cle diesel en(ine the e4haust

ale is open $or a period o$

##################

./ 1A0 de(rees#

3/ 700 de(rees# C/ 750 de(rees#

!/ 1>0 de(rees#

SET01000000160< " A# 8here and ho* *ould &ou ta%e sa'ple o$ the oil $ro' the

Main En(ine su'p tan%,

./ Fro' the suction $ilter drain o$ the M#E# u2 Oil Pu'ps#

3/ n port *hen en(ine is stopped ta%en directl& $ro' the su'p tan%#

C/ .t the sa'ple coc% on delier& side o$ the M#E# u2 Oil Pu'p#

!/ .$ter the puri$ier *hen runnin( su'p to su'p and M#E# runnin(#

SET01000000106> " B# 8hat li@uid is used to clean the tur2o char(er o$ a lar(e

lo* speed 'ain en(ine, hi(h

speed air side+ hal$ speed (as side/

./ . che'ical 'i4ture o$ oil and *ater#

3/ 8ater#

C/ . che'ical 'i4ture o$ acid and *ater#

!/ Oil#

SET01000000105< " 10# 8hat is part nu'2er A,

./ The air 2o4

3/ The air $ilter

C/ The air cooler

!/ The cooler inlet

SET0100000070>B " 11# 8hat preparations are re@uired re(ardin( PSTO"S and

CY"!E "ES o$ a diesel

en(ine prior to departure stand-2&,./ Open indicator coc%s+ close sa$et& ale+ turn lu2ricators#

3/ Close sa$et& ale+ put out turnin( (ear+ open air 2ottles#

C/ Preheat c&linders and pistons+ turn en(ine+ turn c&linder lu2ricators#

!/ Open startin( air+ start 2ooster pu'p+ start stern tu2e pu'p#

STC87ZTPB1SQ " 17# :nder *hat en(ine conditions are indicator cards ta%en,

./ .t 65L $ull load#

3/ o* po*er#

C/ .t nor'al $ull load#

!/ .t an& en(ine loadin(#


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STC87E3730O.QT " 1=# 8hat does the 9ac%et Coolin( 8ater e4pansion tan% leel

droppin( rapidl& indicate,

./ There is a lea%a(e in the )ac%et coolin( *ater s&ste'#

3/ Crac%ed c&linder liner#

C/ 9ac%et *ater coolin( pu'p $ailure#

!/ Sudden chan(e o$ en(ine load#

SET010000001>5= " 1# 8hich o$ the $ollo*in( *ould 'ost li%el& account $or a

decrease in 'ain en(ine scaen(in(air te'perature,

./ . risin( air te'perature in the air cooler#

3/ . dirt& tur2ine *heel#

C/ .n increase in air olu'e#

!/ . decrease in air olu'e#

STC870FDM.8D= " 16# 8h& is a slo* speed t*o stro%e diesel the 'ost suita2le $or

a sin(le $i4ed pitch propeller

essel,

./ More $uel-e$$icient

3/ Easier to reerse and no propulsion (ear2o4 re@uired

C/ ess co'plicated than 'ediu' speed en(ines

!/ .$$ords a 2etter en(ine la&out

STC87>YO9Y:Q> " 1A# 8hat is re$erred to as I'as%in(I o$ !iesel en(ine inlet and

e4haust ale heads,

./ 8hen the ale seat 2eco'es recessed into the head#

3/ 8hen the ale ed(e 2eco'es er& thin#

C/ 3uild up o$ car2on on the ale ste's#

!/ 3uild up o$ car2on on ale seats#

SET01000000=1=6 " 1B# n diesel en(ines+ c&linder lu2rication has the pri'ar&

$unction o$ ############## #

./ coolin( the piston *hich *ould other*ise oerheat and ensure that the car2on

2et*een

the piston rin(s is cleared a*a 3/ $or'in( a $il' 2et*een liner and rin(s+ actin( as a sealin( 2arrier to

preent the escape

o$ co'2ustion (ases and reducin( $riction 2et*een parts#

C/ ensurin( that c&linder liner and piston are *ell oiled so that the& *ill not oerheat#

!/ $lushin( the car2on residue $ro' the piston s%irt and *ash it do*n into the

scaen(e

space#

SET010000007055 " 70# 8hich (rade o$ $uel oil can 2e used in this %ind o$ en(ine

2uilt a$ter 1BB0/ ,


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Maquinaria Naval

./ Marine diesel or distillate diesel oil#

3/ .n& o$ these $uels#

C/ 3lend or inter'ediate $uel oil#

!/ ea& $uel oil#

SET010000001>=B " 71# o* are the crosshead 2earin(s on this !iesel en(ine

supplied *ith lu2ricatin( oil,

./ !irect $ro' the lu2 oil 'ain line#

3/ Dia the 'ain 2earin(+ cran%sha$t+ 2otto' end 2earin( and connectin( rod#

C/ ndependentl

!/ Fro' the ca'sha$t lu2 oil line#

SET010000001B.D " 75# 8hat is the 'ost li%el& reason $or hi(h e4haust

te'peratures in all c&linders o$ a !iesel

= en(ine,

./ . crac%ed liner#

3/ 3ro%en piston rin(#

C/ . $ault& $uel ale#

!/ isin( scaen(e air te'perature#

SET010000001B


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Maquinaria Naval

./ piston 2od&+ piston $lan(e+ piston cro*n#

3/ piston cro*n+ piston rod+ piston s%irt+ inter'ediate piece#

C/ piston+ piston rin(s+ telescopic pipin(#

!/ piston cro*n+ piston 2od&+ piston rin(s#

STC873D= " =0# 8hat %ind o$ diesel scaen(in( s&ste' is sho*n on the top

centre dra*in( ,

./ Transersal#

3/ oop scaen(in(#

C/ Four-*a& uni$lo*#

!/ Cross scaen(in(#

STC87":9T5". " =1# 8hat could indicate a cho%ed heat e4chan(er on the )ac%et

*ater s&ste',

./ o* sea*ater pressure#3/ o* )ac%et *ater $lo*#

C/ i(h e4haust te'peratures#

!/ i(h )ac%et *ater te'perature#

STC87F7;F6E8T: " =7# n a


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3/ 8hen the (as pressure in the en(ine e4ceeds the sprin( pressure#

C/ 8hen too 'uch startin( air is ad'itted#

!/ .t top dead point o$ the c&linder 2& 'a4 $irin( pressure#

SET01000000

SET010000001>BA "


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Maquinaria Naval

C/ !a'a(e to piston N liner#

!/ ;reater output o$ the en(ine#

STC87M91E3A?


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!/ !irect $ro' the co''on lu2 oil circuit#

STC87D6?79PY< " 5=# n the case o$ a serious 'ain en(ine 'al$unction *hat

*ould 2e &our course o$ action,

./ .tte'pt to recti$& the $ault#

3/ Stop the en(ine i''ediatel& and inesti(ate the cause#

C/ Slo* do*n the en(ine and atte'pt to recti$& the $ault#

!/ n$or' the 2rid(e *atch %eeper 2e$ore ta%in( an& action#

SET0100000007 " >0# 8hat is co'ponent "o 5 ,

./ The lu2 oil inlet

3/ The $resh *ater pur(er

C/ The oil pur(in( ale


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!/ The Sedi'ent drain

SET0100000070>0 " >1# o* are startin( air ales 'ade (as ti(ht in the c&linder

heads o$ diesel en(ines ,

./ Te$lon or Diton seal rin(s are $itted#

3/ The& are scre*ed into the c&linder head and as2estos sealed#

C/ 3& $ace to $ace+ h&draulic pressure applied#

!/ . copper (as%et is $itted#

STC87=# n a trun% piston !iesel en(ine ho* is the piston cooled,

./ 3& a dedicated piston suppl& line#

3/ 3& )ac%et coolin( *ater#

C/ Separate piston coolin( oil suppl

!/ 3& the cran%case oil spra&in( on the underside o$ the piston#

SET01000000106A " >># 8hat is ite' 9 ,

./ The Sea 8ater Coolin( Pu'p#

3/ . 8ater Strainer#

C/ The Piston Coolin( 8ater Pu'p#

!/ The 9ac%et Coolin( 8ater Pu'p#

STC87?";7A# 8hich o$ these could cause a pro2le' *ith sur(in( in the

tur2ochar(er ,./ !irt& rotor 2lades and nole rin(#

3/ 8orn 2earin(s on the tur2ochar(er#

C/ u2rication oil pu'p is 'al$unctionin(#

!/ !irt& scaen(in( air cooler on the air side#

SET010000001051 " >B# 8hich part is the e4haust ale ,

./ "u'2er <

3/ "u'2er 1

C/ "u'2er 7

!/ "u'2er >


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Maquinaria Naval

C/ . dirt& tur2ine *heel#

!/ . decrease in air olu'e#

STC87.D8?D"A " 6B# 8hat is the 'ain adanta(e o$ a CP propeller installation,

./ En(ine can 2e run at constant+ uni-directional speed#

3/ i(her en(ine rp'#

C/ ess startin( air consu'ption#

!/ More e$$icient propeller coe$$icient#

STC87B;518D8? " A0# 8h& is the ash content o$ a $uel oil si(ni$icant,

MM

./ s use$ul $or deter'inin( proper ato'isation te'peratures#

3/ ndicates the @uantit& o$ ener(& released 2& 2urnin( a unit a'ount o$ the $uel#

C/ s non-co'2usti2le and re'ains partl& in the en(ine#

!/ e$lects the oerall ther'al e$$icienc& o$ the $uel oil serice s&ste'#

SET0100000010>5 " A1# 8hat does a pressure drop across the scaen(e air cooler

indicate ,

./ . reduced coolin( *ater $lo*#

3/ Foulin( o$ the coolin( *ater s&ste'#

C/ ncreased en(ine roo' te'perature#

!/ Foulin( o$ cooler air side#

STC879"P:6DTE< " A7# 8hat percenta(e e4cess air *ould &ou e4pect *ith (oodco'2ustion in a !iesel en(ine,

./ 10 - 70L#

3/ =0 - 50L#

C/ "one#

!/ 0 - 10L#

STC875Q3.E;93 " A=# 8h& 'ust the scaen(e air te'perature 2e 'aintained

a2oe a lo* te'perature li'it,

./ To 'aintain the ther'al e$$icienc& o$ the diesel#

3/ To aoid crac%in( o$ the c&linder liner#

C/ To aoid 'is$irin( and startin( pro2le's#

!/ To aoid condensate and *ater enterin( the en(ine#

SET010000001>=5 " A


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3/ !irect lined#

C/ 8rapped 2ushes#

!/ Thic% *alled#

SET01000000705> " AA# 8hat is the purpose o$ the startin( ale $itted on the

c&linder head o$ a diesel en(ine ,

./ To 2loc% the $uel and air suppl& unless in ST.T position#

3/ To allo* startin( air o$ 75 %(Hc'7 into the c&linder *hen startin(#

C/ To actiate the 'ain air startin( ale $itted on the en(ine#

!/ To allo* air $ro' the 'ain air 2ottle to enter the c&linder directl

SET01000000=1>6 " B=# For this au4iliar& diesel $resh *ater s&ste'+ *hat 'ethod

o$ te'perature control is used ,

./ Controllin( the outlet 2& re(ulatin( the inlet#

3/ Controllin( the inlet 2& re(ulatin( the outlet#

C/ Controllin( the outlet 2& re(ulatin( the outlet#

!/ Controllin( the inlet 2& re(ulatin( the inlet#

STC87135>56= " B


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71

Maquinaria Naval

SET0100000070>< " B># 8hat %ind o$ diesel scaen(in( s&ste' is sho*n on the top

ri(ht dra*in( ,

./ Cross scaen(in(#

3/ oop scaen(in(#

C/ Traerse scaen(in(#

!/ :ni$lo* scaen(in(#

SET01000000


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77

Maquinaria Naval

./ Firin(#

3/ Scaen(in(#

C/ ;as e4pandin(#

!/ Co'pressin(#

SET010000007# 8hat is the purpose o$ the e4pansion tan% in a !iesel

en(ine )ac%et coolin( *ater s&ste',

.Q

./ To allo* $or lea%a(e in the s&ste'#

3/ To ta%e up the di$$erence o$ *ater pressure *ith chan(es o$ te'perature#

C/ To ta%e up the di$$erence o$ *ater olu'e *ith chan(es o$ te'perature#

!/ To act as a spare tan% in case the pressure is droppin(#

STC87D:CB


23/185


7=

Maquinaria Naval

C/ The $l&*heel#

!/ The i2ration da'per#

STC87TK5#5L

C/ >0#5L

!/ 65#5L

SET01000000


24/185


7<

Maquinaria Naval

SET01000000


25/185


75

Maquinaria Naval

!/ To protect the e4haust (as econo'ier#

SET010000001BA= " 17B# 8hich o$ the $ollo*in( are not necessaril& $itted on a FO

settlin( tan%,

./ . re'ote tan% (au(in( s&ste'

3/ Quic% closin( shut-o$$ ales re'ote operated/

C/ . drain ale Sprin( loaded/

!/ . ther'o'eter

#

SET010000007


26/185


7>

Maquinaria Naval

C/ i$ the 'ain air start ale )a's in the closed position#

!/ i$ the c&linder head air start ale )a's in the open position#

STC875937::.K? " 1=6# 8hat is the purpose o$ the in)ector lea%-o$$ connection,

./ For $uel lea%in( past the delier& ale#

3/ For $uel lea%in( past the in)ector needle ale#

C/ To reliee e4cess $uel pressure#

!/ To preent *ater-coolin( enterin( the $uel space#

SET01000000


27/185


28/185


7A

Maquinaria Naval

./ Start to puri$& the oil#

3/ !ecrease the lu2rication oil te'perature#

C/ Clean the s&ste' and chan(e the oil#

!/ ncrease the lu2rication oil te'perature#

STC871QT!:89! " 15# The ash content o$ a $uel oil is si(ni$icant 2ecause it ####

./ indicates the @uantit& o$ ener(& released 2& 2urnin( a unit a'ount o$ the $uel# 3/ is non-co'2usti2le and re'ains partl& in the en(ine#

C/ is use$ul $or deter'inin( proper ato'iation te'peratures#

!/ re$lects the oerall ther'al e$$icienc& o$ the $uel oil#

SET010000001>=7 " 156# 8hat %ind o$ 9ac%et Coolin( *ater s&ste' is sho*n here ,

./ . $orced circuit

3/ .n open circuit

C/ . $ree closed circuit

!/ "one o$ the other options

STC870# 8hich t&pe o$ e4haust 'ani$old $eeds this tur2ochar(er ,

./ 3ooster t&pe#

3/ Split t&pe# C/ Constant pressure t&pe#

!/ 'pulse t&pe#

SET01000000705A " 1>1# o* is the air-ti(htness o$ the slidin( piston 'oed 2&

control air pressure and sprin(/

ensured in startin( air ales o$ this t&pe ,

./ O-rin( seals are $itted#

3/ a2&rinth seals are $itted#

C/ Piston rin(s are $itted#

!/ Te$lon seals are $itted#


29/185


7B

Maquinaria Naval

SET010000001>6 " 1>5# E4haust te'perature increasin( on all 'ain en(ine

c&linders indicates####

./ .n& o$ the these $aults#3/ The e4haust s&ste' is $ouled#

C/ The air s&ste' is $ouled#

!/ The scaen(in( ports are $ouled#

SET010000007056 " 1>># .t *hat 'o'ent *ill the c&linder head startin( air ale+

sho*n here+ open and allo* 75 2ar

to $lo* into the c&linder ,

./ 8hen the control air on top is ented 2& the startin( ca'#

3/ 8hen control air is supplied to the top connection#

C/ 8hen 75 %(Hc'7 air is supplied on top 2& 'anoeurin(#

!/ 8hen the 'ain startin( air is opened $ro' the 2ottle#

SET010000001>5B " 1>6# 8hat are the co'ponents 'ar%ed M ,

./ Mano'eters

3/ Ma(netic shut-o$$ ales

C/ Microprocessors

!/ Flo* 'eters

SET010000007B# n *hat area o$ the scaen(e air s&ste' is heat conerted

into 'echanical po*er,

./ The e4haust (as tur2ine#3/ n the 'ain en(ine#

C/ The char(e air co'pressor#

!/ The scaen(e air cooler#

SET01000000


30/185


=0

Maquinaria Naval

!/ educe speed te'poraril& and increase c&linder oil suppl

STC875Q97:Q9 " 161# $ sli(ht *ater conta'ination o$ lu2 oil is con$ir'ed *hat

action should &ou ta%e,

./ un the puri$ier+ chec%in( the *ater outlet and su2'it a $urther sa'ple $or

anal&sis#

3/ un the puri$ier continuousl

C/ ocate the *ater lea% and rene* the oil char(e#

!/ Su2'it a $urther sa'ple $or anal&sis a$ter one 'onths runnin(#

STC87Z8BK?

ti(htness ,

./ The scaen(in( air ale 2o4#

3/ The cran%case sealin( asse'2l C/ The piston rod stu$$in( 2o4#

!/ The piston underside ales#

SET010000001>5A " 16


31/185


=1

Maquinaria Naval

STC87ACBF.CD " 16B# 8hat *ill happen to the leel o$ the e4pansion tan% i$ the

en(ine slo*s do*n or stops,

./ The leel *ill at $irst decrease 2ut increases a(ain

3/ The leel *ill increase

C/ "othin( *ill happen

!/ The leel *ill decrease

SET01000000# :nder nor'al runnin( conditions+ *hat pressure is the

e4haust (as enterin( the e4haust

(as tur2ochar(er ET ,

./ :nder a acuu'#


32/185


=7

Maquinaria Naval

3/ :nder at'ospheric pressure#

C/ :nder hi(h pressure#

!/ :nder sli(ht oerpressure#

STC87K.;YTFQ " 1A6# 8hat could indicate a crac%ed c&linder head or liner,

./ ncreased $uel consu'ption#

3/ ncreased lu2 oil consu'ption#

C/ Presence o$ *ater in the lu2 oil#

!/ Sudden oerheatin( o$ the )ac%et *ater e4pansion tan%#

SET010000001>0QM " 1B7# 8hat is the purpose o$ the Main En(ine !irt& Oil tan%,

F

./ Collectin( tan% $or all non-reusa2le oils#

3/ Collectin( tan% $or dirt& oil o$ Main En(ine intended $or puri$ication#

C/ !rain tan% $or the piston rod stu$$in( 2o4es#

!/ Collectin( tan% $ro' Main En(ine scaen(e drains

STC87


33/185


==

Maquinaria Naval

./ Too 'uch lu2ricatin( oil $il' *ill $or' on the c&linder *alls *hich *ill create 2lac%

e4haust s'o%e

3/ The e4pansion tan% *ill 2e e'ptied

C/ . less e$$ectie lu2ricatin( oil $il' is $or'ed on the c&linder *alls

!/ The 2lo*er *ill slo* do*n

STC873D1A?0M03 " 1B># o* is e4pansion allo*ed $or in lar(e diesel en(ine

e4hausts,

./ 3& the selection o$ 'aterials and construction to 'ini'ie e4pansion#

3/ 3& slidin( section o$ pipin(#

C/ 3& the $ittin( o$ steel 2ello*s pieces#

!/ 3& slidin( securin( 'ounts#

STC87C.O08TPE " 1B6# o* can cran%case oerpressure 2e chec%ed,

./ Chec%in( $uel pu'p tappet seals#

3/ Chec%in( the cran%case 2reather outlet#

C/ Chec%in( the cran%sha$t seals#

!/ nspectin( the cran%case relie$ ales#

SET010000007556 " 1BA# The third stro%e o$ $our-stro%e diesel en(ine is called the

###########

./ po*er stro%e#

3/ e4pansion stro%e#C/ co'pression stro%e#

!/ air stro%e#

SET010000001B " 707# 8hat are the indications o$ e4cessie c&linder clearance in

a s'all diesel en(ine, osso$ po*er# Mis$irin(# 8hite e4haust s'o%e#

D E4cessie consu'ption o$ lu2e oil#

./ + and D

3/ + and D

C/ + and

!/ + and D

SET01000000


34/185


=<

Maquinaria Naval

./ >1 " 711# 8hich part o$ this s&ste' is usuall& heated to >5 de(ree C

, Stud& the picture#


35/185


=5

Maquinaria Naval

./ The 2lendin( unit 3:#

3/ The unit #

C/ The 2lendin( unit controller 3:C#

!/ The FO dail& tan%#

STC87KOD65MF1 " 717# o* are 2otto' end 2earin( clearances ta%en on a lar(e

!iesel en(ine,

8

./ Co'pare thic%ness to ne* 2earin(#

3/ Measure cran%pin and 2earin( dia'eters#

C/ 8ith $eeler (au(es#

!/ Ta%in( leads#

SET01000000=1=B " 71=# 3ro%en piston rin(s on diesel en(ines+ i$ not isi2l& 2ro%en+

can 2e identi$ied 2ecause

##############################

./ the piston s%irts sho* 'ar%s o$ 2urned oil#

3/ the piston cro*ns hae deeloped hot spots and 2urnin( 'ar%s oer the sur$ace#

C/ the& are dar%er in colour and lac% elasticit& *hen pushed to*ards the

inside o$ their

(rooes#

!/ the rin( or (rooe clearances hae *orn in e4cess#SET01000000


36/185


=>

Maquinaria Naval

3/ poor co'2ustion due to 'al$unction o$ $uel ales#

C/ the *ind and current 2ein( $aoura2le#

!/ the *ind and current holdin( the essel 2ac%#

STC8708P:;7T " 71B# 8hat is speci$ic $uel consu'ption,

./ Fuel consu'ption $or speci$ic speeds#

3/ Fuel consu'ption per hour#

C/ Fuel consu'ption per %ilo*att-hour#

!/ Fuel consu'ption at speci$ic po*er#

STC878B.DA> " 770# $ $uel conta'ination o$ lu2 oil is con$ir'ed *hat action

'ust &ou ta%e,

./ Puri$& the oil and send o$$ another sa'ple $or anal&sis#

3/ ecti$& the source o$ conta'ination and chan(e the oil#

C/ Chan(e the co'plete lu2 oil char(e#

!/ ecti$& the $uel lea% and puri$& the oil#

STC87"SE;>E? " 771# For ho* lon( is the e4haust ale open in a 7 " 777# Te'perature in the co'2ustion cha'2er *ill 2e reduced

2& ####

./ a de$ectie $uel ale#

3/ not usin( the au4iliar& $an#

C/ lu2rication lo* pressure#

!/ a lo* air pressure#

SET01000000> " 77=# 8h& 2lo* the en(ine oer on startin( air 2e$ore a start,

./ To 2e sure that no parts are loose+ or that the en(ine is 2loc%ed $ro' rotation#

3/ To 2e sure that all indicator coc%s are closed and there is no passa(e into the

co'2ustion cha'2er#

C/ To 2e sure that *ater has not collected in the $ire c&linders#

!/ To (et $resh air into c&linders ensurin( a sa$e start o$ the en(ine#

STC87SKOF"M


37/185


=6

Maquinaria Naval

./ The 'a(netic $ilter#

3/ The 2&-pass ale#

C/ The 'ano'eter#

!/ The $uel $lo* 'eter#

SET010000001BA7 " 77A# 8hat is the usual te'perature o$ a $uel oil FO/ dail&

tan%,

./ 0 de(ree C

C/ >0 to 65 de(ree C

!/ A0 to B0 de(ree C

SET010000007


38/185


=A

Maquinaria Naval

!/ Cetane nu'2er#

STC87FP7=8.! " 7=># 8hat test *ould indicate tur2o 2lo*er condition,

D

./ o* char(e air pressure#

3/ i(h char(e air te'perature#

C/ .nal&sis o$ lu2 oil sa'ple#

!/ Tur2o run do*n ti'e a$ter stoppin( en(ine#

STC87PAB"AF59 " 7=6# n an MP:SE TYPE e4haust (as tur2ochar(er+ ho* do

the e4haust (ases enter the

tur2ine,

./ Dia a spacious+ sin(le e4haust (as 'ani$old#

3/ Dia 'ani$old (roups led directl& and separatel& to the tur2ine#

C/ Fro' 2oth sides o$ the tur2ine#

!/ Dia 'ani$olds into a co''on entr& cha'2er#

STC87.=!=T?MS0 " 7=A# The 2est *a& to ensure en(ine speed (oernor sta2ilit& is

to allo* a (ien ratio o$ *hat,

./ Speed droop#

3/ Co'pensation#

C/ Sta2ilit

!/ SensitiitSET010000007


39/185


=B

Maquinaria Naval

SET010000007> " 7


40/185


# 8hat *ould represent an aera(e speci$ic $uel

consu'ption $or a $our-stro%e diesel,

./ 0#75%(H%8 hour#

3/ 0#=0%(H%8 hour#

C/ 0#15%(H%8 hour#

!/ 0#70%(H%8 hour#

SET010000001>0# 8hat is the co'ponent 'ar%ed 3:C ,

./ The 3lend :nit Calori$ier

3/ The 3ase :nit Calori$ier


41/185


57 " 7>1# 8hat do &ou thin% *ould 2e a reasona2le scaen(e air

pressure $or this en(ine runnin( at

$ull speed ,

./ 75 %(Hc'7

3/ 0#75 %(Hc'7

C/ 6#0 %(Hc'7

!/ 1#75 %(Hc'7

STC87Y:YQ"7M; " 7>7# n the $or'ula P##.#"# ho* is I"I deried $or a dou2le

actin( t*o stro%e,

./ En( rp'H70#

!/ En( rp'H=0#

STC87QF"AEM. " 7>=# 8hat 'aterial are !iesel en(ine c&linder 2loc%s and coers

nor'all& constructed $ro',

./ Cast iron#

3/ Cast steel#C/ Fa2ricated steel#

!/ ;un'etal#

SET01000000=15# 8hat is the 'ost i'portant step on detectin( a scaen(e

$ire,

./ ncrease c&linder lu2rication to a$$ected unit#

3/ educe en(ine res+ shut o$$ $uel to a$$ected unit#

C/ ncrease coolant $lo* to en(ine#

!/ Stop en(ine#

SET010000001>76 " 7>># Fuel o$ 1A0 cst is in use on 2oard# Fuel o$ =A0 cst is no*

2ein( 2un%ered# o* *ill this

a$$ect the readin( o$ ther'o'eter T ,

./ Te'perature *ill decrease *hen =A0 cst $uel is used#

3/ Te'perature *ill increase *hen =A0 cst $uel is used#

C/ "one o$ the other options#

!/ Te'perature re'ains constant+ sa'e $uel pu'p iscosit

SET01000000


42/185


" 7>A# The narro* 2and o$ speed ariation throu(h *hich the

(oernor 'a%es no correction and

re$ers to the sensitiit& o$ the (oernor is %no*n as the ##############

./ dead 2and#

3/ isochronous 2and#

C/ speed droop#

!/ sensitie 2and#

SET010000001>7= " 7>B# 8hat (rade o$ $uel does the te'perature o$ the dail& tan%

su((est is in use ,

./ ;as oil#

3/ Marine diesel#

C/ nter'ediate or hea& $uel oil 1500 - =500 sec red*ood 1/#

!/ !istillate diesel#

STC876Y!?S796 " 760# 8hat deter'ines a !iesel en(ineIs 'echanical e$$icienc&,

./ ##P#H3##P#

3/ ##P# - 3##P#

C/ 3##P#H##P#

!/ 3##P# - ##P#

SET010000007


43/185



44/185


51 " 7AA# 8hich ther'o'eter al*a&s indicates the hi(hest

te'perature in the tur2ochar(er ,

./ TE5

3/ TE

C/ TE3

!/ TE1

SET010000001>>< " 7AB# 8hat is the co'ponent 'ar%ed 8 ,

./ . *ater 2&-pass 2u$$er#

3/ . 'anual =-*a& *ater 2&-pass ale#

C/ . *ater strainer#

!/ . 8.? 2&-pass te'perature controller#

STC87.F!P: " 7B7# :pon *hat c&cle is the 'odern diesel en(ine 2ased,


45/185


0;50MB " 7B5# . Main En(ine reolution counter reads >B+BA0 at 0A00 at

noon the counter reads B0+B=7+ i$

the cloc%s are adanced 70 'ins# durin( the *atch *hat *as the aera(e rp' durin( the

A-17 *atch,

./ 115#> rp'

3/ BA#< rp'

C/ 66#7 rp'

!/ A6#= rp'

SET010000007;6DCO5F " 7BB# 8hat is the nor'al 'aterial used $or !iesel en(ine

c&linder liners,

./ .llo& steel#

3/ Mild steel#


46/185


Maquinaria Naval

C/ Cast steel Cast iron#

!/ Mild steel# .llo& steel#

SET0100000070A0 %(

!/ 7BB+06< %(

STC87PC6"Z.P? " =0># 8hat is the ori(inal po*er that 'oes the in)ection needle

up*ards in the in)ector and

causes the in)ector to spra& $uel under pressure into the c&linder,

./ The li$tin( pressure o$ the pu'p plun(er#

3/ The h&draulic pressure in the $uel line#

C/ The 'echanical $orce o$ the $uel ca'#!/ The 2alance pressure o2tained 2& the in)ector sprin(#

SET01000000


47/185


5 " =0A# 8hat %ind o$ scaen(in( s&ste' is sho*n on the 2otto'

le$t dra*in( ,

./ :ni$lo* scaen(in(#

3/ oop scaen(in(#

C/ Transerse scaen(in(#

!/ Cross scaen(in(#

SET010000001>>0 " =0B# 8hat are the co'ponents 'ar%ed F ,

./ Fuel heaters#

3/ Fuel pu'ps#

C/ Fuel $ilters#

!/ Flo* 'eters#

STC87.FB1!"!EB " =10# 8hat is the purpose o$ the crosshead 2earin(,

./ To trans'it piston po*er 'ore directl& to the cran%sha$t#

3/ To preent con rod side thrust 2ein( trans'itted to the piston#

C/ To assist in lu2ricatin( the top end 2earin(#

!/ To preent lu2 oil 2ein( deposited on the c&linder liner *alls#

STC876"Q3"Q.Y " =11# n the $or'ula $or calculatin( en(ine po*er+ P##.#"#+ *hat

does " represent,

./ "u'2er o$ en(ine c&linders

3/ "u'2er o$ po*er stro%es per secondC/ "u'2er o$ the indicator sprin(

!/ En(ine reolutions per 'inute

SET010000001>=A " =17# 8hat are ite's F ,

./ Flo* controllers#

3/ Flo* 'eters#

C/ Ther'ostatic ales#

!/ Filters#

SET010000007070 " =1=# 8hat are the t*o 'ost i'portant $actors in$luencin( the

cran%sha$t de$lection readin(s,

./ 3earin( *ear and 2edplate ali(n'ent#

3/ 3allast tan% condition and 2edplate ali(n'ent#

C/ Condition o$ 2allast tan%s and te'perature o$ en(ine#

!/ 3edplate ali(n'ent and condition o$ a$ter pea%#

SET010000001>


48/185


1EO>T " =16# 8hat *ould indicate a crac%ed c&linder liner or head,

./ i(h e4haust te'perature#

3/ i(h )ac%et *ater te'perature#

C/ i(h lu2 oil consu'ption#

!/ o* e4haust te'perature#

SET010000001>56 " =1A# Oer *hich co'ponents does the 3lendin( :nit Controller

act in order to 2lend $uel o$ the

re@uired iscosit&,

./ The diesel oil and $uel oil inlet ales o$ the 2lender#

3/ The stea' inlet and return 2&-pass ales o$ the $uel heater#

C/ .ll o$ these options#

!/ The diesel oil and hea& $uel oil 2ooster pu'ps#

STC873?1961? " =1B# .$ter *or% on the $uel s&ste' *hat 'ust 2e carried out,

./ S&ste' 2led throu(h at 'ain $ilters#

3/ S&ste' 2led throu(h at the in)ectors#

C/ n)ectors chan(ed#

!/ Filters rene*ed#

SET010000007=1 " =7=# $ the 9ac%et Coolin( 8ater e4pansion tan% leel drops

rapidl& *hilst Full .head on

passa(e+ *hat could cause this,

./ There is an internal lea%a(e on the en(ine#

3/ Mal$unctionin( ther'ostatic ale#

C/ There is a lea%a(e in the lu2e oil cooler#

!/ Crac%ed c&linder head#STC8795BOD9TOD " =7


49/185


Y " ==0# On a trun% piston en(ine ho* are the connectin( rod side

thrusts a2sor2ed,

./ 3& the cran%pin 2earin(#

3/ 3& the (ud(eon pin 2earin(#

C/ 3& the crosshead 2earin(#

!/ 3& the piston and c&linder liner#

STC87ZZ3BD>E8 " ==1# $ lu2 oil anal&sis results indicate $uel dilution *hat should

2e the $irst action,

./ ene* the lu2 oil char(e#3/ Ta%e another set o$ sa'ples and send o$$ i''ediatel

C/ Operate the lu2 oil puri$ier#

!/ ocate and recti$& source o$ conta'ination#

SET010000000>17 " ==7# 8hat is co'ponent nu'2er = ,

./ The lu2ricatin( oil outlet#

3/ The coolin( *ater outlet#

C/ The coolin( *ater inlet#

!/ The air ent ale#


50/185


50

Maquinaria Naval

STC87.930Q18Z" " ===# 8hat could cause )ac%et *ater conta'ination o$ lu2 oil in

a trun% piston en(ine,

C

./ Crac%ed c&linder head#

3/ ea%in( liner sealin( rin(s#

C/ !a'a(ed piston rin(s#

!/ Crac%ed piston#

STC87PQ?9!0137 " ==9Q3M5 " =71 " =


51/185


51

Maquinaria Naval

C/ . constant pressure re(ulatin( ale#

!/ . sa$et& 2lo*-o$$ ale in case o$ E'er(enc& Stop#

SET01000000705< " =0 to A0 de(ree C

3/ .2oe A0 de(ree C

C/ =0 to A;=YE " =


52/185


57

Maquinaria Naval

!/ Stop the en(ine and atte'pt to recti$& the $ault

SET010000001>>7 " =50# 8hat is the co'ponent 'ar%ed P ,

./ The piston coolin( pu'p#

3/ The $resh *ater pu'p#

C/ The sea *ater pu'p#

!/ The lu2 oil pu'p#

SET01000000=1=A " =51# . diesel en(ine 2loc% is 'ade o$ ############### and does not

per'it *eldin(#

./ stainless steel#

3/ cast iron#

C/ 'ild steel#

!/ te'pered steel#

SET01000000=1# 8h& is the char(e air cooled a$ter leain( the char(er,

./ To allo* 'ore air to enter the co'2ustion space#

3/ To lo*er the e4haust te'peratures#

C/ To preent oerheatin( o$ the tur2ochar(er#

!/ To re'oe *ater apour#

STC87:Z6ST6>D " =56# 8hat is the purpose o$ the in)ection pu'p delier& ale,./ To 'eter the delier& rate#

3/ To ad)ust the in)ection pressure#

C/ To 'aintain in)ection pressure in the P $uel line#

!/ To ad)ust the in)ection ti'in(#

STC87C39:89A" " =5A# o* is e4pansion o$ the !iesel en(ine c&linder liner

allo*ed $or,

.

./ Enta2lature a2sor2s e4pansion stresses#

3/ iner and enta2lature e4pand to(ether#


53/185


5=

Maquinaria Naval

C/ iner is $ree to e4pand at its lo*er end#

!/ iner a2sor2s stresses caused 2& e4pansion#

STC87C=T?O;S?A " =5B# 8h& is a 2&-pass $itted to the coolin( *ater line o$ the

char(e air cooler,

./ To preent oercoolin( o$ the char(e air#

3/ To allo* increased 9ac%et *ater $lo* to the *ater spaces#

C/ To preent the air te'perature (oin( too hi(h#

!/ To 'aintain the )ac%et *ater te'perature#

EO-0A " =# The !isc t&pe oil separator can usuall& separate *ater

$ro' oil *hen processin( oils

2et*een *hich densit& ran(es ,

./ 0#6A to 0#BA#

3/ 0#A5#

C/ 0#A< to 0#B


54/185


5<

Maquinaria Naval

!/ .n nole H $lapper asse'2l

SET0100000075=> " A# The indications o$ a $ault& re$ri(eration co'pressor ale

are ##########

./ continuous runnin(#

3/ (radual or sudden decrease in capacit

C/ .n& o$ these#

!/ lo* head pressure-hi(h suction pressure#

SET010000001>6< " B# 8hen startin( a co'pressor+ *h& is it necessar& $or the

unloader to 2e actiated 2e$ore the

drain ales are closed ,

./ To preent the co'pressor $ro' trippin(#

3/ So the pu'pin( action can 2lo* the drains throu(h#

C/ To aoid the sa$et& ales 2lo*in(#

!/ To aoid air 2lo*in( in the 2il(es#

SET01000000=177 " 10# $ durin( &our en(ine roo' *atch the stea' suppl& or

stea' pressure should $all $or so'e

reason+ *hat should &ou chec% $irst ,

./ The iscosit& o$ the hea& $uel oil to consu'ers#

3/ The hot*ell leel#

C/ The $uel oil and lu2 oil puri$iers#!/ The 2oiler *ater leel#

SET01000000=110 " 11# The $actors *hich deter'ine the selection o$ the sie o$

(rait& disc $or a puri$ier are

################################

./ the 2o*l speed+ the oil te'perature and throu(hput#

3/ the oil te'perature+ the slud(e content and the speci$ic (rait

C/ the oil te'perature+ the *ater and slud(e content and the speci$ic (rait

!/ the speci$ic (rait& o$ the oil and the oil te'perature#

SET010000001A>1 " 17# 8hat is the purpose o$ the capacit& control on the

tele'otor o$ a steerin( (ear ,

./ To %eep the outlet pressure and capacit& to react constant#

3/ To %eep the oil delier& @uantit& to the tele'otor ra' constant#

C/ To %eep the oil delier& @uantit& o$ the pu'p constant#

!/ To %eep the electric capacit& 2et*een para'eters a2sorption/#

SET01000000757B " 1=# . receier in a re$ri(eration s&ste' is used to ############

./ separate oil $ro' the re$ri(erant#

3/ condense the re$ri(erant#

C/ cool the hot (ases#

!/ store the re$ri(erant#

STC87


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Maquinaria Naval

SET010000007571 " 1># 8hen a $resh *ater (enerator condenses *ater apour

into *ater it ####################

./ e'its latent heat o$ $usion#

3/ a2sor2s latent heat o$ eaporation#

C/ a2sor2s latent heat o$ $usion#

!/ e'its latent heat o$ eaporation#

SET01000000110> " 16# 8here is the inlet $or the unclean oil ,

./ .rea >#

3/ .rea =#

C/ .rea


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5>

Maquinaria Naval

SET0100000016>= " 7=# 8hat is the $unction o$ the hi(h pressure cut-out $itted on

the sa'e 'ano'eter pipe as

'ano'eter !M ,

./ .s electrical oerload and alar'+ auto reset#

3/ .s sa$et& cut-out *ith additional alar' $unction # Manual reset re@uired#

C/ .s operational cut-out *hen condenser pressurised prolon(ed#

!/ .s alar' deice onl

SET01000000=0BA " 761 " 7># 8hat are the units 'ar%ed C $itted on 2oth c&linders ,

./ Coolin( *ater essels#3/ ntercoolers#

C/ C&linder 2loc%s#

!/ .$tercoolers#

STC87K9YOT=89 " 76# 8hen should &ou 'a%e sure that loose (ear in 'achiner&

space is properl& secured,

./ .t all ti'es#

3/ 8hen &ou are *arned 2& the 2rid(e o$ 2ad *eather#

C/ Prior to leain( port#

!/ .$ter co'pletion o$ eer& )o2#

STC87Z?P=K=? " 7A# s it possi2le to 2lo* do*n a stea'in( 2oiler,

./ Onl& in an e4tre'e e'er(enc

3/ Yes 2ut stea' pressure should 2e 'aintained#

C/ Yes 2ut neer allo* the leel to disappear $ro' the (au(e (lass#

!/ "o+ this should neer 2e carried out#

SET010000001A06 " 7B# 8hen *ill the ele-Sha* pu'p co''ence pu'pin(

action ,

./ .s soon as the electric 'otor is started#

3/ .s soon as the tele'otor pu'p is started#

C/ .s soon as point Z 'oes#

!/ .s soon as the pilot s&ste' is started on the 2rid(e#

STC879>;PS!MO " =0# 8hat *ould 2e a nor'al operatin( pressure o$ an au4iliar&

2oiler,

8./ 15 - 702ar#

3/ > - B2ar#

C/ 3elo* 52ar#

!/ .2oe 702ar#

SET0100000075=0 " =1# 8hen used *ith re$erence to a re$ri$eration or air

conditionin( s&ste' a'2ient te'perature

is the ##############

./ te'perature o$ the space 2ein( cooled#


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Maquinaria Naval

3/ te'perature di$$erence 2et*een the space 2ein( cooled and the outside

te'perature##

C/ te'perature o$ the 'achiner& space#

!/ te'perature o$ the air outside the spce 2ein( cooled#

SET010000001BB> " =7# 8hat sie o$ re$ri(eration installation is sho*n here,

./ . er& s'all ca2inet re$ri(erator unit#

3/ . 'ediu' sie installation acco''odation aircon/#

C/ . s'aller sie installationproision roo's+ s'all air conditionin( units/#

!/ . lar(e installation ree$er car(o/#

SET01000000=1=0 " ==# 3e$ore s*in(in(-out a 2oiler 2urner $or 'aintenance or

cleanin(+ &ou are to ensure that

###############################

./ the $uel is isolated#

3/ the 2oiler $urnace is *ell entilated or 2lo*n throu(h#

C/ the electrical po*er is s*itched o$$#

!/ .ll o$ these options#

SET010000001AA7 " = " =># .s a rule o$ thu'2+ the ti'e interal set $or auto'atic

deslud(in( o$ =A0 cSt hea& $uel oil

puri$iers should 2e ############### hours#

./ 7 to <

3/ 1 to 7

C/ < to >

!/ > to A

STC87=QSF!0A9=F " =6# o* are 2oiler tu2es secured in the end plates,

./ E4panded

3/ Scre*ed collar on the outside o$ the plate

C/ Scre*ed

!/ 8eldedSTC87TSK>PE! " =A# 8hat is the 'ost i'portant aspect o$ co''unication *ith

the 3rid(e,

./ E4ecutin( o$ orders $ro' the 2rid(e#

3/ E4ecutin( orders $ro' and issuin( *arnin(s to the 2rid(e#

C/ Operation o$ $ire $i(htin( and li$e sain( e@uip'ent#

!/ 3allastin( operations+ car(o hold 2il(e pu'pin(#

SET01000000716B " =B# 8hat is the na'e o$ the 2ello* P+ *hich indicates its

purpose ,

./ .2sor2in( 2ello*#


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Maquinaria Naval

3/ i$tin( 2ello*#

C/ E@ualisin( 2ello*#

!/ Feed2ac% 2ello*#

SET01000000=1== "


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Maquinaria Naval

SET01000000=0>B " 65 " 57# 8h& is it necessar& to start a co'pressor *ith the drains

open ,

./ To 2lo* clear an& 'oisture $ro' the co'pressor dischar(e#

3/ To hear that it is delierin( pressure and the unloader is *or%in(#

C/ To (et rid o$ all the dirt inside#!/ To aoid oerloadin( the electric 'otor#

STC8705


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>0

Maquinaria Naval

3/ the 2oiler *ater circulation ales are open#

C/ the air ent coc% is open#

!/ the stea' 'ain stop ale is open#

SET01000000# This electric circuit is part o$ the Steerin( ;ear Control

S&ste'+ in *hich the output is either

1 or 0 as either solenoid 1or 7 is ener(ied# t is an e4a'ple o$ *hat %ind o$ circuit ,

./ T*o Potentio'eters *ith a'pli$ier rela&s#

3/ T*o dou2le resistor circuits 2alanced 2& the solenoids#

C/ . 2ooster a((re(ate#

!/ . 8heatstone 3rid(e#

SET010000001B07 " 56# 8hat is ite' ! in this dra*in( o$ a stea' la&-out ,

./ . sa$et& relie$ ale $or the lo* pressure 'ani$old#

3/ . 2lo*-o$$ ale#

C/ . ste' pressure reducin( ale#

!/ . stea' 2alancin( ale#STC87!7T?K08DK " 5A# 8hat condition *ould necessitate 2lo*in( do*n the

2oiler,

./ Stea' pressure too hi(h#

3/ 8ater leel too hi(h#

C/ Chloride readin(s too hi(h#

!/ P readin( 2elo* 6pp'#

SET010000001BA5 " 5B# 8h& is a hea& $l&*heel ite' nu'2er 6/ re@uired on this

startin( air co'pressor ,

./ To a2sor2 the lar(e torsional $orces 7 c&linder/#

3/ To accelerate eenl& *hen startin(#

C/ To aoid stallin( *hen drain and unloaders close#

!/ To a2sor2 the i2rations due to hi(h speed B00 - 670 PM/#

SET0100000075== " >0# The coolin( e$$ect in a re$ri(eration s&ste' is produced 2&

############

./ increasin( the pressure o$ the re$ri(erant#

3/ pressure chan(es to the re$ri(erant#

C/ lo*erin( the pressure o$ the re$ri(erant#

!/ 2oilin( the re$ri(erant#

SET01000000165> " >1# Freon is 2ein( phased out (raduall& as a re$ri(erant# 8h&

,

./ 3ecause under certain conditions it is to4ic#

3/ 3ecause it is too e4pensie#

C/ 3ecause it has a da'a(in( e$$ect on the EarthIs oone la&er#!/ 3ecause it is 2ein( replaced 2& 'ore e$$icient re$ri(erants#

SET01000000=10< " >7# The ti'e interal $or auto'atic slud(e dischar(e $ro'

puri$iers 'ust 2e chosen correctl n

(eneral the 'ore $re@uent the interal the 2etter# o*ee too short interals are

ine$$icient

and too lon( interals###########

./ 'a& result in oer$lo*in( o$ the puri$ier due to clo((in( *ith dirt#

3/ *ill result in di$$icult deslud(in( due to adhesion o$ slud(e#

C/ 'a& result in *ater seal depletion#


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Maquinaria Naval

!/ *ill also (ie 2ad e$$icienc

SET010000001A11 " >=# 8hat is to 2e chec%ed durin( a dr&doc%in( period to

ensure that an& up*ard 'oe'ent o$

the rudder *ill 2e contained and da'a(e to the steerin( (ear *ill 2e aoided ,

./ The pintle 2earin( clearances#

3/ The pallister 2earin( clearance#

C/ The rudder stoc% carrier 2earin( clearance#

!/ The upper and lo*er pintle )u'pin( 2ar clearances#

SET01000000=106 " >6# te' I o$ the dra*in( indicates ############################ o$ this

tur2ine installation ,

./ the stea' reducer#

3/ the stea' $ilter#

C/ the 'anoerin( stand#

!/ the distri2utor#

SET01000000B# 8hat li@uid is present in collectin( point 11 at the 2otto'

o$ the $resh *ater (enerator

eaporator shell,./ Fresh *ater#

3/ 3rine#

C/ Sea *ater#

!/ E)ector *ater#

SET010000001660 " 60# 8hat is the 'ost i'portant ite' o$ 'aintenance re@uired

to ensure 'a4i'u' e$$icienc& o$

the acco'odation air conditionin( plant,

./ Ensure al*a&s that there is su$$icient Freon in the receier#

3/ Ensure the eaporator unit re'ains ice $ree#


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>7

Maquinaria Naval

C/ Clean the central air conditionin( $an unit inta%e suction $ilters#

!/ Clean the sea *ater side o$ the condenser eer& 7 'onths#

SET010000000566 " 61# 8hat is co'ponent nu'2er = called,

./ . sprin( ad)uster#

3/ . sprin( plate#

C/ . sprin( tensionin( *asher#

!/ . ale coer#

STC87# 8hat do &ou thin% is the 'ost co''on cause o$ poor

per$or'ance o$ $resh *ater

(enerators ,

./ :nderper$or'ance o$ e)ector andHor $resh *ater pu'ps/#

3/ nternal corrosion o$ structural co'ponents o$ housin(#

C/ 8orn 2rine or acuu' noles#

!/ ScaledHdirt& heat e4chan(ers+ in particular the eaporator#

SET010000001AB5 " 66# 8hich o$ the $ollo*in( conditions is a loc%-out condition

*hich *ill conse@uentl& illu'inate

the loc%-out indicatin( la'p $itted to the control panel o$ the 2oiler 2urner li(ht up ,

./ o* $uel oil pressure#

3/ 3urner not correctl& secured in position#C/ o* *ater leel#

!/ .n& o$ these $aults#

STC878OF.>B


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>=

Maquinaria Naval

./ The dis% holder#

3/ The disc stac%#

C/ The distri2utor anes#

!/ The parin( disc#

SET0100000010A5 " A0# 8hich part is the heater ,

./ "u'2er 7#

3/ "u'2er # o* is te'perature controlled in a stea' oil heater,


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Maquinaria Naval

./ Stea' suppl& pressure reduced#

3/ Stea' outlet ale throttled#

C/ Stea' inlet ale throttled#

!/ Oil $lo* increased#

SET010000001B>= " A6# 8hich $orce is actin( to separate *ater $ro' oil in this

separator ,

./ ;raitational $orce#

3/ Che'ical potential#

C/ Kinetic ener(

!/ Centri$u(al $orce#

SET0100000070>1 " AA# Stea' produced 2& a 2oiler *hose te'perature is a2oe

that correspondin( to its pressure

is re$erred to as##############,

./ 2led stea'#

3/ dr& stea'#

C/ superheated stea'#

!/ re(enerated stea'#

SET01000000755= " AB# 8hen orderin( an e4pansion ale $or a re$ri(eration

s&ste' *hich o$ the $ollo*in(

in$or'ation is necessar& ,./ Pressure and te'perature#

3/ Sie and tonna(e#

C/ Sie+ tonna(e+ te'perature and pressure#

!/ Sie and pressure#

SET010000001B1A " B0# 8hen s%i''in(-o$$+ *hich ale *ill &ou $ull& open $irst

and close last+ *hilst operatin( the

other ale throttled ,

./ The inner ale open $irst $ull and close last a$ter operation#

3/ The outer ale open $irst and the inner ale close last#

C/ The outer ale open $irst and close last a$ter operation#

!/ The inner ale open $irst+ the outer ale close last#

SET010000001>6B " B1# 8hat *ould 2e the pressure in the air 2ottle *hich

actiates the PC and S connectin(

the unloader line *ith c and a ,

./ 3et*een >#5 and A#5 2ar#

3/ 3et*een A#5 and 10#0 2ar#

C/ 3et*een A#5 and B#=5 2ar#

!/ 3et*een 0 and A#5 2ar#

SET010000007


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>5

Maquinaria Naval

./ "o a2nor'al noise or i2rations+ pu'p po*er consu'ption nor'al#

3/ The oil leel in the oil tan%+ see that there is no oil lea%a(e#

C/ .ll o$ these options#

!/ The (reasin( o$ trunion and Pallister 2earin( is ade@uate#

STC87Q!E;0M# 8hat is the re@uired te'perature in the shipIs $ish roo' ,

./ Fro' -70 to - 75 de(ree C#

3/ Fro' -5 to -10 de(ree C#

C/ Fro' 0 to - 5 de(ree C#

!/ Fro' -15 to - 70 de(ree C#

SET010000001>A7 " B6# n this oil-$ree co'pressor+ o$ *hat 'aterial are the piston

rin(s o$ the pu'pin( piston P

'ade ,

./ Plain cast iron# 3/ Chro'e plated#

C/ Slotted chro'iu'#

!/ Car2on#

SET0100000075=A " BA# 8hen ad)ustin( co'pressor D-2elts ################

./ 'a%e the 2elt )ust ti(ht enou(h to turn the pulle

3/ al*a&s replace the 2elt $irst#

C/ 'a%e the' as ti(ht as possi2le#

!/ allo* 17'' slac%#

SET0100000075


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Maquinaria Naval

stop 'oin( ,

./ 8hen the co''and rod C 'oes in opposite direction#

3/ 8hen the trunion point Y pushes point Z 2ac% to its ori(inal position#

C/ 8hen the rudder an(le indicator corresponds to the co''and#

!/ 8hen the co''and rod C stops 'oin(#

STC87:6> " 106# On *hat part o$ the co'pressor does the unloader act and

in *hat *a& ,

./ t %eeps the suctions ales closed#

3/ t %eeps the suction ales open#

C/ t %eeps the delier& ales open#

!/ t %eeps the delier& ales closed#

STC87D8


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>6

Maquinaria Naval

nor'al#

3/ Deri$& the te'peratures+ chec% the tan% ent screens+ unclo( the distance readin(

s&ste'#

C/ .ir suppl& to the @uic% closin( ales+ the tan% ent screens+ the re'ote or

distance

(au(in( s&ste'#

!/ Co'pare the re'ote (au(in( s&ste' *ith tape soundin( readin(s+ drain the

'oisture

o$$#

SET010000007077 " 111# $ re$ri(erant (au(es are cali2rated in .2solute

Correspondin( Te'perature+ can these

(au(es 2e used $or an& re$ri(erant in an& re$ri(eratin( s&ste' ,

./ Can 2e used $or Freon 17 or Freon 77 onl

3/ Can 2e used $or an& re$ri(erant e4cept .MMO".#

C/ .re cali2rated $or onl& one re$ri(erant#

!/ Can 2e used $or an& re$ri(erant#

STC87=DF.E.O9 " 117# 8hat purpose is the $uel oil settlin( tan%,

./ To settle out all i'purities#

3/ To settle out *ater#

C/ To settle out suspended solids#!/ To settle out slud(e#

SET010000001B=0 " 11=# 8hat are ite's CP $itted in the 8or%in( .ir and

nstru'ent .ir suppl& lines ,

./ Pressure capacit& essels#

3/ Condensate pots#

C/ Pressure relie$ units#

!/ Constant pressure essels#

SET01000000=17= " 11# 8hat is the purpose o$ the sea *ater pu'p ite' "o# 1= ,

./ To cool the eaporator# 3/ To drie the air e)ector o$ the eaporator#

C/ To suppl& *ater to 2e eaporated#

!/ To suppl& sea *ater to the condenser#

SET010000007500 " 116# Testin( 2oilin( *ater $or chloride content *ill indicate the

a'ount o$ ############

./ solids in the *ater as a result o$ sea *ater conta'ination#

3/ dissoled solids in total present in the *ater#

C/ al%alinit& leel#

!/ phosphate present in the *ater#


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>A

Maquinaria Naval

SET010000001>B= " 11A# 8hen usin( 'arine diesel oil *ith a densit& o$ a2out 0#A6+

*hat *ould 2e the inlet

te'perature o$ the $uel to the puri$ier ,

./ >0 de(ree C#

3/ A5 de(ree C#

C/ =0 de(ree C#

!/


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>B

Maquinaria Naval

!/ 8ater leel control o$ $eed *ater inlet ale#

SET010000007>=A " 17># 8hat is Part "o# 6 called ,

./ The disc#

3/ The ru22er 'e'2rane#

C/ The diaphra('#

!/ The plate#

STC879C5681T7 " 176# 8hat is the $unction o$ the e4pansion ale in the

re$ri(eration circuit,

./ To increase the pressure o$ the li@uid re$ri(erant#

3/ To re(ulate $lo* and reduce the pressure o$ re$ri(erant to the eaporator#

C/ To allo* the e4pansion o$ the hi(h-pressure (as 2e$ore the condenser#

!/ To reduce the pressure o$ the li@uid re$ri(erant#

SET01000000=105 " 17A# .s a rule o$ thu'2+ the ti'e interal set $or auto'atic

deslud(in( o$ diesel oil puri$iers

should 2e ################ hours#

./ > to A

3/ 7 to =

C/ 1 to 7

!/ < to 5

SET0100000075


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60

Maquinaria Naval

SET010000007007 " 1=5 de(ree C+ 2& circulatin( the $uel *ith the puri$ier tan%#

3/ >5 de(ree C+ 2& application o$ stea' heatin(#

C/


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61

Maquinaria Naval

./ 3& D-2elt#

3/ 3& electric 'otor#

C/ 3& sha$t drie *ith replacea2le sheer pins $ro' the puri$ier cran%case#

!/ 3& direct (ear drie $ro' the puri$ier cran%case#

SET010000001B1B " 1


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67

Maquinaria Naval

./ t could a$$ect the operation o$ the relie$ ales#

3/ t 'a& car2on up and cho%e the lines#

C/ t 'a& cause stic%in( o$ the air start ales#

!/ The hi(h o4&(en content 'a%es it er& e4plosie#

SET01000000701< " 150# 8hat is the sha$t called to *hich the propeller is $astened

,

./ The 'ain en(ine sha$t#

3/ The tail sha$t#

C/ The stern sha$t#

!/ The inter'ediate sha$t#

STC87DS " 15


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6=

Maquinaria Naval

!/ The 2oiler starts $irin( and the photocell *ill actiate#

SET01000000756> " 156# 8hat is si''er in a sa$et& ale ,

./ . hissin( sound indicatin( that a sa$et& ale is lea%in(#

3/ . $ailure o$ a sa$et& ale to re-seat#

C/ . 'etallic ha''erin( noise#

!/ First lea%a(e 2e$ore the ale opens#

SET010000001A6= " 15A# 8h& is stea' allo*ed to position - 9I - o$ the tur2ine 9 ,

./ t is the stea' to the astern tur2ine#

3/ t is the stea' re(eneratin( line#

C/ t is the stea' (land $eeder line#

!/ t is the parallel reduced stea' line#

STC87E"=BP?7>M " 15B# . h&draine test is conducted on 2oiler *ater to chec%

$or############

./ "itrates#

3/ Phosphates#

C/ Sulphates#

!/ E4cess o4&(en#

STC875EFSEB? " 1>0# 8hich is the least har'$ul o$ these re$ri(erants,

./ Freon 17#

3/ Car2on !io4ide#C/ Freon 77#

!/ .''onia#

STC878:5C6BKP " 1>1# Can lea%in( stern tu2e seals 2e replaced *hen the essel is

a$loat and i$ &es+ ho*,

Y

./ Yes+ 2allast the ship until the stern tu2e is clear o$ the *ater#

3/ "o+ the& can onl& 2e replaced in dr&-doc%#

C/ Yes+ *ith diers *or%in( under *ater *hilst the $or*ard seal is 2lan%ed#

!/ Yes+ 2ut onl& the $or*ard seal can 2e replaced#

SET01000000=# 8hat 'etal is the stern tu2e usuall& lined *ith,

./ ;un'etal#

3/ .lu'iniu' 2rass#

C/ Phosphor 2rone#

!/ 8hite 'etal#

STC87>9;11:1=Y1 " 1>


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6<

Maquinaria Naval

C/ To re'oe dirt $ro' the 2ottle#

!/ To re'oe e4cessie oil $ro' the 2ottle#

SET010000001B00 " 1>># 8hat is ite' 3 in this stea' la&-out dra*in( ,

./ The =#0 2ar pressure reducin( ale#

3/ The 6#0 2ar 'ani$old sa$et& ale#

C/ The 6#0 2ar pressure reducin( ale#

!/ The =#0 2ar 'ani$old sa$et& ale#

STC87TA9! " 1>6# 8hich o$ the $ollo*in( is a rotar& co'pressor,

./ Startin( air co'pressor#

3/ !iesel en(ine char(e air co'pressor#

C/ Control air co'pressor#

!/ E'er(enc& air co'pressor#

SET01000000=0>6 " 1>A# 8hen ta%in( oer the en(ine roo' *atch+ *hat are &ou to

chec% and eri$& concernin( the

2il(es and an& accu'ulated *ater ,

./ Chec% accu'ulation source and pipin( and chec% *hen the 2il(es *ere last

pu'ped #

3/ Chec% dr&ness o$ 2il(es+ *ater in accu'ulation tan% 2il(e tan%/ and eri$&

*hether

2il(es *ere pu'ped#C/ Chec% $ro' *here the *ater or oil is ori(inatin( and *hen the 2il(es *ere last

pu'ped#

!/ The a'ount o$ *ater in the 2il(es+ the Chie$ En(ineerIs standin( orders

and chec% $or

an& accu'ulation and its source#

SET010000001ABB " 1>B# 8hat is ite' . in the stea' la&-out dra*in( ,

./ The =#0 2ar stea' pressure relie$ ale#

3/ The 'ain 6#0 2ar pressure reducin( ale#

C/ The 6#0 2ar - = 2ar pressure reducin( ale#

!/ The 6#0 2ar stea' pressure relie$ ale#

STC87"689B5> " 160# On the $resh *ater (enerator *h& is a 2a$$le plate $itted

2et*een eaporator and condenser,

./ To cool the apour#

3/ To 'aintain the acuu' inside the shell#

C/ To preent carr& oer o$ 2rine#

!/ To 'aintain the eaporator te'perature#

STC87TEYBT07.Y " 161# o* $ar $ro' the coast is it per'itted to use o*-pressure

eaporation to produce drin%in(

*ater,

./ 5 'iles#

3/ 70 'iles#

C/ 17 'iles#!/ =0 'iles#

SET010000001A6A " 167# 8hat is the purpose o$ the $ins $itted on this stea' pipin(

,

./ To a2sor2 the i2rations e4istin( in the $unnel#

3/ To allo* $or e4pansion *ith te'perature di$$erences#

C/ .s ar'onica pipin(+ to 'a%e the pipin( $le4i2le#

!/ To increase the heated sur$ace o$ the pipin(#

SET01000000=05A " 16=# 8hen ta%in( oer the en(ine roo' *atch &ou should

ensure that the stern tu2e oil (rait&


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tan%s #############

./ contain oil to the correct leel 'ar% to ensure that there is no oil loss ia

the stern

3/ are chan(ed-oer $ro' hi(h to lo* or ice ersa as re@uired#

C/ contain su$$icient oil to 'aintain leel durin( &our *atch#

!/ are at the re@uired te'perature and i$ hot+ 'ore *ater should 2e added to the

stern

tu2e#

SET0100000075A1 " 16


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!/ Ti(hten 'ore#

STC87T56F: " 1A1# n a h&draulic tele'otor steerin( s&ste' 'oe'ent o$ the

*heel#########

./ trans'its electrical si(nal to the h&draulic actuator ales#

3/ controls 'oe'ent o$ the trans'itter electric 'otor#

C/ controls 'oe'ent o$ the trans'itter pistons#

!/ controls the 'ain h&draulic pu'ps#

SET010000007551 " 1A7# n a re$ri(eration s&ste'+ a $luid that seres onl& as a heat

carrier is called the #########

./ secondar& re$ri(erant#

3/ condensin( re$ri(erant#

C/ aporiin( re$ri(erant#

!/ pri'ar& re$ri(erant#

SET010000001BA> " 1A=# Suppose the rated delier& pressure o$ this 'ain air

co'pressor is 75 2ar+ *hat *ould 2e

the delier& pressure o$ the $irst sta(e c&linder ,

./ 17#5 2ar#

3/ A#= 2ar#

C/ 5 2ar#

!/ 15 2ar#SET01000000=17< " 1A# 8hat is the plate 'aterial used in sea- *ater+ plate heat

e4chan(ers,

./ Stainless steel#

3/ Titaniu'#

C/ 3rone#

!/ Cupro "ic%el#

SET010000007>=6 " 1A6# 8hich part is the sprin( house ,

./ Part #

!/ Part =#


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SET010000001A61 " 1AA# This installation consists o$ the $ollo*in( tur2ine

co'2ination J

./ .ll o$ these options#

3/ a tur2ine s&ste' *ith ahead and astern 'anoerin( capa2ilit

C/ a hi(h pressure and a lo* pressure tur2ine#

!/ the #P and #P tur2ine actin( in tande' to one reduction (ear#

SET0100000070A0 " 1AB# 8hat is the source o$ ener(& used to conert salt *ater

into $resh *ater in this $resh *ater

(enerator ,

./ The e)ector pu'p and sea*ater pu'p co'2ined#

3/ The acuu' and e)ector pu'p ite' 1=#

C/ The sea*ater pu'p suppl&in( the eaporatin( *ater ite' 1=> " 1B1# 8hat part is the diaphra(' disc ,

./ Part #

C/ Part =#

!/ Part 7#

SET010000001AA6 " 1B7# $ the stand-2& indicatin( li(ht is ener(ised on the control

panel o$ this 2oiler 2urner+ *hat

does it indicate,

./ That the pilot 2urner is in operation#

3/ That the 2oiler is read& to 2e $ired and no alar' conditions e4ist#

C/ That the $uel is circulatin( and at the te'perature read& to $ire#

!/ That an alar' condition e4tists#

SET0100000005A= " 1B=# 8hat is chatter in a sa$et& ale ,

./ . $ailure o$ a sa$et& ale to re-seat#

3/ . hissin( sound indicatin( that a sa$et& ale is lea%in(#

C/ The $irst lea%a(e 2e$ore the ale opens#

!/ . 'etallic ha''erin( noise#

SET01000000=06A " 1B


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Maquinaria Naval

SET0100000071


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!/ Fla'e $ailure#

SET010000001B6= " 70=# $ the heated 'ediu' o$ this heater is oil and the heatin(

'ediu' is stea'+ e4cess stea'

suppl& or insu$$icient oil $lo* could cause e4cessie #################### in the heater#

./ de$or'ation#

3/ corrosion#

C/ car2on $or'ation#

!/ pittin(#

SET010000001A17 " 70


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./ esaturated hi(h pressure (as#

3/ ot superheated (as o$ hi(h pressure#

C/ i(h pressure *et (as#

!/ ot saturated (as and oil#

SET010000001B1= " 717# 8hat is the purpose o$ a stea' trap+ sho*n as ST on thre

dra*in(,

./ To retain the stea' and let the *ater pass#

3/ To retain the *ater and let the stea' pass#

C/ To let *ater pass onl& under a acuu'#

!/ To let stea' and *ater pass onl& under at'ospheric pressure#

STC87C8ZBAOQ


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SET010000001B16 " 71B# 8hat is this $unnel li%e pipe $itted 2elo* the eaporatin(

sur$ace o$ the 2oiler *ater ,

./ . 2lo* do*n $unnel#

3/ . 2oiler *ater sa'ple drain $unnel#

C/ . $eed*ater $unnel#

!/ . s%i''in( plate#

SET0100000016>6 " 770# 8h& is there a receier $itted 2elo* the condenser o$ an

air-conditionin( unit unli%e on the

condenser o$ the do'estic $rid(e s&ste' ,

./ To store spare Freon#

3/ 3ecause there is 'ore chance o$ lea%a(e and Freon escape#

C/ 3ecause the capacit& is lar(er#

!/ 3ecause the air-conditionin( does not run in *inter cli'ates#

STC87=0:03EZK " 771# o* is *ater ha''er 2est aoided in stea' lines,

./ Ensure lines are drained and open ales slo*l

3/ eae 'ain stops and line ales open *hen shuttin( do*n the 2oiler#

C/ Open line ales as @uic%l& as possi2le#

!/ Full& open 'ain stops and line ales *hen raisin( stea'#

STC87PO5Q!;Y> " 777# 8hat proides po*er to the h&draulic e'er(enc& steerin(

s&ste'#M!

./ .ccu'ulators in the h&draulic s&ste'#

3/ 3atter& po*er to the entire steerin( s&ste'#

C/ E'er(enc& (enerator runnin( 'ain h&draulic pu'ps#

!/ Manual operation o$ 'ain pu'ps#

STC87Z"O?:1Z53 " 77=# Suppose the delier& air pressure o$ a co'pressor is

=0#02ar# 8hich serice could this

co'pressor 2e suppl&in(,

./ . startin( air co'pressor#

3/ . *or%in( air co'pressor#

C/ .n instru'ent air co'pressor#

!/ . serice air co'pressor#

STC87.S"PFD3 " 77# n an electricall& controlled h&draulic s&ste' *hat do the

electrical controls replace,

./ udder $eed2ac% si(nal#

3/ The huntin( (ear#

C/ &draulic control ales#

!/ &draulic tele'otor s&ste'#

SET010000001B5< " 776# $ the ree$er condenser pu'p PP $ails+ *hich pu'p

*ould &ou use to suppl& coolin( *ater

to these ree$er condensers ,


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./ .u4iliar& S8 P:MP .S

3/ .n& o$ these pu'ps 'a& 2e used#

C/ Fire Pu'p FPI

!/ ;eneral Serice Pu'p ;SP

SET0100000075>B " 77A# 8hat is part "o# 1 called ,

./ . (uide#

3/ . sprin(#

C/ . sha$t#

!/ . spindle#

SET010000007> " 7==# 8hat is the 'ost co''on reason $or 'al$unctionin( o$ a

pneu'atic a'pli$ier ,

./ !iaphra('a "o 6 2ursts#

3/ ;as%et "o A 2lo*n#

C/ Dale ste' "o > de$ectie#

!/ nternal passa(es 2loc%ed 2& oil 'i4ed *ith dirt#

SET01000000165= " 7=1Z058 " 7=5# 8hat is the state o$ re$ri(erant leain( the eaporator,

./ ;as at lo* pressure#

3/ i(h pressure (asHli@uid 'i4ture#

C/ o*-pressure li@uid#

!/ ;as at hi(h pressure#

STC87YD7SZ95. " 7=># 8hat is the 'ain adanta(e o$ plate heat e4chan(ers,

./ Cheaper to install#


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3/ e@uire less 'aintenance#

C/ Easier to clean#

!/ More e$$icient and ta%e up less space#

SET0100000010A> " 7=6# 8hich o$ the t*o dra*in(s sho*s t*o series connected

puri$iers,

./ "either#

3/ 7#

C/ 1#

!/ 3oth 1 and 7#

SET0100000016>B " 7=A# 8hen should the recirculation o$ air $ro' the

acco''odation 2e set to 100 L and the $resh

air inta%e totall& closed ,

./ !urin( car(o operations or car(o trans$er in port or at sea#

3/ 8hen essel is 'oored at an oil re$iner

C/ 8hen outside te'perature is 'ore than =0 de(ree C#

!/ 8hen outside te'perature is 'ore than => de(ree C#

SET010000007566 " 7=B# o* o$ten should the operation o$ a 2oiler sa$et& ale 2e

chec%ed ,

./ .t each dr& doc%#

3/ .t each annual sure C/ .t re(ular interals#

!/ Onl& *hen the electronic chec%in( s&ste' $ails#

SET010000001B76 " 7" " 7


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./ Start the 2il(e pu'p#

3/ Chec% the $unction o$ the leel s*itch and the printed circuit 2oard $or this

alar' (roup#

C/ !isconnect the alar' and see i$ it helps#

!/ Chan(e the settin( on the alar' printed circuit 2oard#

SET01000000=11B " 7 " 751# 8hat is the 'ain purpose o$ the photocell P $itted in the

2urner $ront casin( ,

./ To ener(ise the $uel solenoid S *hen co'ustion is satis$actor

3/ To 'aintain the correct $uelHair ratio#

C/ To detect $irin( o$ the pilot 2urner P3#


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!/ To cut-out the 2oiler i$ *ater leel is lo*#

SET010000001ABA " 757# Prior to carr&in( out an& *or% on 2oiler 2urners+ &ou

should isolate the'# 8hat is

understood 2& this ,

./ You 'ust ensure that $unnel upta%e $lap is closed#

3/ .ll o$ these options#

C/ You 'ust ensure that all $uel line ales are shut and $uel drained#

!/ You 'ust ensure that all electrical po*er supplies are shut o$$#

SET010000001BB= " 75=# 8hat is the correct na'e o$ part nu'2er 1 sho*n here ,

./ . ther'o-2alanced e4pansion ale#

3/ . ther'ostatic e4pansion ale#

C/ . ther'o-controlled e4pansion ale#

!/ . ther'od&na'ic e4pansion ale#

SET0100000075B0 " 75B7 " 755# 8hat is ite' F ,./ . $uel shut-o$$ solenoid#

3/ . nor'al 'esh $ilterHstrainer

C/ . $lo* control deice#

!/ . $lo* 'eter#

SET010000007


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3/ Main h&draulic s&ste' header tan%#

C/ eseroir $or the tele'otor s&ste'#

!/ u2rication tan% $or the steerin( (ear lin%a(e#

STC87F5?06D " 7>1# n tan%ers an alternate h&draulic oil suppl& 'ust 2e

auto'aticall& connected $or the steerin(

s&ste' *ithin *hat ti'e,

./ = 'inutes#

3/ =# The lo*est te'perature o2tained in a re$ri(erator s&ste'

is the te'perature o$ the #########

./ receier coolin( *ater te'perature#

3/ li@uid in the condenser#

C/ eaporator coil# !/ li@uid in the eaporator#

SET01000000110A " 7>#

C/ Part 7#

!/ Part " 7>5# ere is a list o$ actiities *hich a'on(st other thin(s &ou

*ill hae to per$or' *hen startin(

a $resh *ater (enerator# 8hich list is in the correct order ,

./ Start e)ector pu'p+ suppl& coolin( *ater to the condenser+ suppl& $resh

*ater to the

eaporator+ start $resh *ater pu'p#

3/ Start $resh *ater pu'p+ start e)ector pu'p+ suppl& coolin( *ater to condenser and

$resh *ater to the eaporator#

C/ Suppl& $resh *ater to eaporator+ start $resh *ater pu'p+ start e)ector pu'p+

suppl&

cool*ater to condenser#

!/ Suppl& cool*ater to condenser+ suppl& $resh *ater to eaporator+ start $resh *ater

pu'p+ start e)ector pu'p#

STC87Y07Y1355" " 7>># 8hat li@uid is used in ther'o'eters $or e4tre'el& lo*

te'peratures,

./ .lcohol#

3/ nert (as#C/ Mercur

!/ Pentane#

SET010000007501 " 7>6# :nder nor'al conditions+ ho* is the superheated stea'

outlet te'perature re(ulated,

./ 3& ar&in( the co'2ustion air#

3/ 3& re(ulatin( the *ater suppl& te'perature#

C/ 3& replacin( the 2urners noles#

!/ 3& diertin( part o$ the $lo* throu(h the desuperheater#

SET0100000075AA " 7>A# 8hich part in this dia(ra' is the dischar(e ale ,


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./ Part ;#

3/ Part 3#

C/ Part #

!/ Part E#

SET010000007= " 7>B# .lternator te'perature indicators o$ten (iin( readin(s in

de(rees Fahrenheit# $ a readin( is

A0 de(rees F+ ho* 'an& de(rees Celsius is this ,

./ =7#6#

3/ 7B#7#

C/ 7>#>#

!/ 7=#A#

SET010000007515 " 760# Stea' *hich is in ph&sical contact *ith the 2oilin( *ater

$ro' *hich it is 2ein( (enerated is

called ##################

./ unsaturated stea'#

3/ saturated stea'#

C/ *et stea'#

!/ pure stea'#

SET0100000075A6 " 761# 8hat is the $unction o$ the co'pressor ,

./ To pu'p the li@uid stored in the au4iliar& re$ri(erant tan%#3/ To co'press hot air#

C/ To co'press the re$ri(erant#

!/ To co'press hot air and to pu'p the li@uid stored in the au4iliar& re$ri(erant tan%#

SET010000001B5= " 767# $ the au4iliar& sea*ater pu'p .S $ails+ *hich pu'p

should 2e used to cool the

condensers ,

./ ;eneral Serice Pu'p ;SP#

3/ &drophore Pu'p P#

C/ Fire Pu'p FP #

!/ Main Sea 8ater Pu'ps/ MS#

STC87F>C1ZAAF:F " 76=# :pon *hat is the 'oe'ent o$ the rudder dependant+

*hen a hel' order is (ien,

./ On the h&draulic pressure settin( o$ the relie$ ales#

3/ On the ad)ust'ent o$ the $eed2ac% rod connection#

C/ The de(ree o$ openin( o$ the h&draulic 2&pass ale#

!/ On the distance the h&draulic control leer is 'oed 2& the $loatin( lin%#

SET01000000=100 " 76# . 2oiler 2urner $ails each ti'e it is started *ith $ailure

indicated as $la'e $ailure# ndicate

the 'ost li%el& reason#

Documents

Maquinaria Naval Parte a-D