轮机长和大管轮面试题目.docx

轮机长和大管轮面试题目.docx

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轮机长和大管轮面试题目

InterviewconductedforC/E&2/Ecandidate

1:

Whatistheplanttoreadyformanoeuvinganddepartureport?

*startthesecondgeneratorandafterallchecks,takeitonload

*Thethirdgeneratorshouldbekeptonstandbycondition

*Essentialstepstobenoted:

Turningengineindicatorcocksparametersabnormalnoise

*ChecksystemFOserviceandsettlingtanksdieseloilservicetankairsystemLOsystemT/CCWsystemcheckingthefuelregulatinggear&startingsystem

*slowturningtheengine

*thismustbecarriedouttopreventdamagecausedbyfluidinoneofthecylindersandtocheckthereversingmechanism

*Beforebeginningtheslowturningobtainpermissionfromthebridge

2whatitemstobeanalysisonlubeoil?

*SpecificgravityviscosityflashpointTAN（totalacidnumber）SAN（strongacidnumber）alkalinityTBN（totalbasenumber）watercontentConradsoncarbonashinsoluble

3whatcauseofexhausttemperaturerisesinallcylinders?

*Increasedscavengeairtemperatureowingtoinadequateaircoolerfunction

*Fouledairandgaspassages

*Inadequatefueloilcleaningoralertedcombustioncharacteristicsoffuel

*wrongpositionofcamshaft

4whatcausesofhighturbochargerspeed?

*Fouledairfilter（earlystageofunloadingthecompressor）

*Fire（earlystage）intheexhaustcheckimmediately.

5whatcausesofcylinderknocking?

*Fueltimingtoofaradvanced

*fuelinjectorvalveneedlestickingatopenposition

*Excessivecarbonbuiltuponthecrown

*Brokenexhaustvalve

*Mechanicaldamageinthe3cylinder

6whatactiontobetakenofcrankcasemistdetectoralarm（nevercutoutmistdetectorpotentiallydangerous）?

*InformbridgeandC/E

*Stayawayfromcrankcases

*slowdownandstop

*startturninggearimmediatelyforatleast30minutestocooldown

*Throughinvestigationofmistdetectorcrankcaseabnormalityandmovingpartsrequired

7whatcausedofscavengefireandactiontaken?

*InformbridgeandC/E

*Donotstandnearthereliefvalves

*slowdownengineensurethattheauxiliaryblowersareoff

*Incasethefirepersistsstoptheenginegraduallytopreventriskofpistonseizure

*Fireshouldbegooffwhenalldepositsburntout

*keepturningtheenginewithcoolingontopreventseizureofmovingparts

8whatactiontakenwhencrankcaseexplosion?

（Mostofthecasesenginewillsuddenlystopuponexplosion）

*Informbridgeandchiefengineer

*evacuatetheE/R

*Everysafeefforttobemadetoturnenginebyturninggearorslowturningfor30minutestopreventseizureofmovingparts

*Thoroughinvestigationrequiredintothecauseoftheexplosionbeforerestarting

9Whatwillyoudowhenboilerwaterlevelwaslowduringnormalsteamingcondition?

*Fiststartthestandbyfeedwaterpump

*Secondcheckandwashthelocalwaterlevelgauge

*Thirdcheckanyleakageonsteampipesorsafetyvalves

10Turbochargersurgingcausesandpreventivemeasures?

*T/Csurgingcanbedividedintothreemaincategories

*malfunctioninthefuelsystem

*Rapidvariationsintheengineload

*Fuelsystemfuelinjectionsystemfuellinecomponentsfueltiming

*exhaustsystemvalveexhaustpassagethroughturbochargerandgasboiler

*scavengeairsystem

*MiscellaneousrapidchangesinloadandRPMgovernor

*Immediateactiontemporarilycounteractedbyblowingoff

ReduceengineloadbytakingtheT/Cawayfromthesurgingline

*Preventivemeasuresregularmaintenanceofitemsmentionedabovepreventloadfluctuationsduringballastvoyageandbadweather

*PeriodicalcheckofM/Ebedplateastrengthmember

*Crossgirderunderthebearinghousing

*Boltholes

*Holdingdownboltsofslackening

*Chocks（frettingcracksandslackness）

11Turboblowermaintenanceduringoperationandchecktobemadeduringmaintenance

Importantpointsforturbochargermaintenance

●Gascasingscalingandcorrosion

●Watertreatmentisessential

●Rotorunbalanceduetoimpropercleaningoftheairsideaswellasturbinesidewheels

●Airsideimpellerusuallyhaveafilmofoilonthealuminumsurface

●Gassideinservicecleaningnecessarytopreventdepositsfromcombustionproducts

●Impropercleaningofairsideorturbinesidecouldresultinrotorunbalanceandsubsequentoperationalproblems

●Bearingsandgearpumpsshouldberepairedatintervalsspecifiedbymaker

12Dailyroutinechecksrequiredonsteeringgearsystem.

*Oilquantityintheoiltankwithinrangeoflevelgauge

*Oiltemperature

*Pressuresofhydrauliccylinderscomparingwithnormaldata

*Abnormalnoisesandvibrationfrommovingpartsandmotorcouplings

*Oilleakagesfromtankcylindervalvesrampackingandpipejoints

*Abnormaloverheatingofcylinderstuffingboxandglandsmotorampler

13Immediateaction/causesofabnormalrelatedtosteeringgearsystem.

*Rudderdoesnotrespond

*Troubleofautopilotcontrol

*Controlthesteeringgearbythetrickwheelinthesteeringgearroom

*Failureinbufferspringlevelsandpins

*Continuetheoperationbychangingtostandbypumpunitafterremovingthebrokenpart

*Troublewithhydraulicpump（includinglinkmechanism）

*Checkthelinkmechanism（coupling）andelectricalpowertothepump

*Lightlypressthepumpsuctionvalveandcheckforoilsuction

*Troubleorabnormaloperationofvalves

*Obstaclesaroundthetillerandram

Rudderrateofturningspeedlow

●Slowautopilotordering

●Troubleandabnormaloperationofvalves

●Externaloilleakage

14IfmainengineturbochargeroutofoperationduetorotorbladedamageasachiefengineerwhatwillbeyourplanandadvisetoallengineertoresumeseapassageASAP?

-Ifmainengineoneunitoutofoperationduetofuelpumprollerguidedamage（nosparepartonboard）whatprecautionwillyoutakeandyourplantoresumepassagewithoneunitcutoff.

-whatdomeanbybalancedengine（Ifpeakpressuredifferent）whatwillbeaffectonengine

-Ifoneunitpeakpressurehighcomparetootherunitwhatwillbeyouractiontobalancetheengine

-Howyouwilladjustfuelpumptimingforscrolltypefuelpump?

-Iftimingadvanceorretardedwhatwillbeaffectonengineexhausttemperatureandpeakpressure?

15Pilotonboardenginecannotstartfromcontrolroom.Asachiefengineerwhatwillbeyourfirstactionofplan.

-IfcannotstartenginefromenginelocalsidewhatisyourplanofactiontostartengineASAP?

-Whatareyougoingtocheckinenginemaneuveringsystem?

-Beforetakingbunkerwhatwillyourplanasachiefengineer?

-HowwillyoumaintainmainenginefuelsystemifAL/SLishighandalsowatercontentishigherside?

Fuelandlubeoilpurifiercorrectoperationprocedureandasachiefengineeradvisetoallengineer?

-AuxiliaryenginerunningonheavyoilstartingdifficultiesonDOwhatisyouractiontoresolvestartingproblem?

-Boilersafetyandactionofplanifboilertubeleakageatsea.advisetoallengineerregardingimportanceofboilerwatertreatment?

-Oilywaterseparatoroperationandincineratoroperationandhowyougoingtofillupoilrecordbook/sulpherrecordbook?

-oilywaterrecordbookandincineratorcapacityhowwillcalculateinoilrecordbook?

-CMSitempreparationasachiefengineer

-Earthfaultfindingswhatisyourplanandhowyougoingtocheck?

-Generatorcircuitbreakercannotclosewhatisyouraction?

-Ifanymachinerymergerreading0whatisthecause?

16Howdoyouunderstandgoodhousekeeping?

Answer:

-Safeandsecurestorageoflooseitems

-propersecuringofdoorsetc

-Goodmaintenanceoffittingsandfixtures

-Adequateilluminationofworkortransitarea

-Avoidanceofoverloadingelectricalcircuitespeciallyincabins

-Clearandlegiblesignsoroperationalnotices

-Properclearanceanddisposalofgarbageorwastematerialsorwasteoil

17whohasresponsibilityforprotectionofenvironment?

Answer:

Everybodyonboardhastheresponsibilitytoprotecttheenvironment

18Whatwillyoudofromyourenginesidewhenshipgetsfirewhiledischargecargoinport?

Answer:

-Lifesaving

-Supportfirefightingteam

-Prepareengineforleavingtheport

19Ifyouhavetoworkinsideofanenclosedspace,whatisnecessarybeforeyoucommenceyourwork?

-Workpermitfrommasterorchiefengineertoenterenclosedspace.

20Whatwillyoudotopreventspreadingoffire?

-shutoffventilatortoaffectedarea

-Switchoffelectricalpowersupplytoaffectedarea

21Howwouldyoudetecttheconditionofdieselengineduringoperation?

22Howwouldyoukeepdieselengineingoodoperationorder?

23Howmanytypesofindicatordiagramcanbeobtainedfromtwostrokedieselengine?

24WhatistheindicationthatwhitesmokefromM/Eexhaustfunnel?

-Itistheindicationthatfueloilisevaporatinginexhaustgasmanifoldandusedtohappenduringraisingenginespeedfromharborspeedtoseaspeed

-Intheotherhanditisindicationhighwatercontendinfueloilorthereiswaterleakageinoneofcombustionspace/exhaustvalve’

25whatistheindicationofblacksmokefromM/Eexhaustfunnel?

26HowwouldyouorganizeengineersandratingsforoverhaulingofM/Epistonpistonringandstuffingboxduringportstay?

27HowwouldyouprepareforM/EX-headsurvey?

28WhatdoyouunderstandPMS?

29DescribesafetyshutdownandalarmsforM/E

30howoftenwilltestsafetydevicesinE/R?

31WhatwillyoudoifM/Eremotecontrolwasfailedduringmaneuvering?

32Howmayfuelbecutoffacylinderwithoutstoppingtheengine?

33Howwouldyouconfirmaexhaustvalveofmainenginewasleaking?

34HowwouldyoucheckM/Eairstartingvalvewasleakage?

35WhatisthepurposeoftakingM/Ecrankshaftdeflection?

36Ifashipgoesagroundwhatpr