轮机长和大管轮面试题目.doc

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1、InterviewconductedforC/E&2/Ecandidate1:Whatistheplanttoreadyformanoeuvinganddepartureport?*startthesecondgeneratorandafterallchecks,takeitonload*Thethirdgeneratorshouldbekeptonstandbycondition*Essentialstepstobenoted:Turningengineindicatorcocksparametersabnormalnoise*Checksystem

2、FOserviceandsettlingtanksdieseloilservicetankairsystemLOsystemT/CCWsystemcheckingthefuelregulatinggear&startingsystem*slowturningtheengine*thismustbecarriedouttopreventdamagecausedbyfluidinoneofthecylindersandtocheckthereversingmechanism*Beforebeginningtheslowturningobtainpermis

3、sionfromthebridge2whatitemstobeanalysisonlubeoil?*SpecificgravityviscosityflashpointTAN(totalacidnumber)SAN(strongacidnumber)alkalinityTBN(totalbasenumber)watercontentConradsoncarbonashinsoluble3whatcauseofexhausttemperaturerisesinallcylinders?*Increasedscavengeairtemperatureowi

4、ngtoinadequateaircoolerfunction*Fouledairandgaspassages*Inadequatefueloilcleaningoralertedcombustioncharacteristicsoffuel*wrongpositionofcamshaft4whatcausesofhighturbochargerspeed?*Fouledairfilter(earlystageofunloadingthecompressor)*Fire(earlystage)intheexhaustcheckimmediately.5

5、whatcausesofcylinderknocking?可编辑word,供参考版！*Fueltimingtoofaradvanced*fuelinjectorvalveneedlestickingatopenposition*Excessivecarbonbuiltuponthecrown*Brokenexhaustvalve*Mechanicaldamageinthe3cylinder6whatactiontobetakenofcrankcasemistdetectoralarm(nevercutoutmistdetectorpotentially

6、dangerous)?*InformbridgeandC/E*Stayawayfromcrankcases*slowdownandstop*startturninggearimmediatelyforatleast30minutestocooldown*Throughinvestigationofmistdetectorcrankcaseabnormalityandmovingpartsrequired7whatcausedofscavengefireandactiontaken?*InformbridgeandC/E*Donotstandnearth

7、ereliefvalves*slowdownengineensurethattheauxiliaryblowersareoff*Incasethefirepersistsstoptheenginegraduallytopreventriskofpistonseizure*Fireshouldbegooffwhenalldepositsburntout*keepturningtheenginewithcoolingontopreventseizureofmovingparts8whatactiontakenwhencrankcaseexplosion?(

8、Mostofthecasesenginewillsuddenlystopuponexplosi