轮机长和大管轮面试题目文档格式.docx

轮机长和大管轮面试题目文档格式.docx

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*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

*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/SLishighandalsowatercontentishighersideFuelandlubeoilpurifiercorrectoperationprocedureandasachiefengineeradvisetoallengineer

-AuxiliaryenginerunningonheavyoilstartingdifficultiesonDOwhatisyouractiontoresolvestartingproblem

-Boilersafetyandactionofplanifboilertubeleakageatsea.advisetoallengineerregardingimportanceofboilerwatertreatment

-Oilywaterseparatoroperationandincineratoroperationandhowyougoingtofillupoilrecordbook/sulpherrecordbook

-oilywaterrecordbookandincineratorcapacityhowwillcalculateinoilrecordbook

-CMSitempreparationasachiefengineer

-Earthfaultfindingswhatisyourplanandhowyougoingtocheck

-Generatorcircuitbreakercannotclosewhatisyouraction

-Ifanymachinerymergerreading0whatisthecause

16Howdoyouunderstandgoodhousekeeping

Answer:

-Safeandsecurestorageoflooseitems

-propersecuringofdoorsetc

-Goodmaintenanceoffittingsandfixtures

-Adequateilluminationofworkortransitarea

-Avoidanceofoverloadingelectricalcircuitespeciallyincabins

-Clearandlegiblesignsoroperationalnotices

-Properclearanceanddisposalofgarbageorwastematerialsorwasteoil

17whohasresponsibilityforprotectionofenvironment

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

36Ifashipgoesagroundwhat