轮机长和大管轮面试题目Word格式文档下载.docx
《轮机长和大管轮面试题目Word格式文档下载.docx》由会员分享,可在线阅读,更多相关《轮机长和大管轮面试题目Word格式文档下载.docx(9页珍藏版)》请在冰豆网上搜索。
*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?
*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?
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?
35Whatisthepurpo