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The overspeeding of the diesel engine driving an electric generator could cause _____.
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二管轮《第一章 船舶动力装置》真题及答案
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Believeitornotopticalillusion视觉错觉cancuthighwayacci
—Hereisyourticketforoverspeeding!Youknowyou_______
are driving
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Aggressivepedestriansareinfactasdangerousascareles
Airtrappedinthehydraulicfluidofasteeringsystemmayb
the steering pumps overspeeding
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Arestrictedairintaketoadieselenginemayresultinthee
failing to reach rated speed
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Thepurposeoftheflywheelofadieselengineisto_____.
counterbalance the crank throws on the crankshaft
keep the engine running smoothly between power stroke
provide a belt-driving surface for the operation of auxiliary machinery
prevent the engine from overspeeding
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Thesealingringsareinfourpartsandpressedtogetheraroundthepistonrodsbymeans of_____
Ventsareledfromtheenginetotheheadtankforthereleaseof____fromthecooling water.
Whenthewaterproducedfrommostevaporatorissuppliedfordrinkingpurposeitmust betreatedtoensureitisbiologicallypureand_____.
Valvegearknocksaremoreeasilylocatedwhiletheengine_____.
Thesepistonringsaresobadlywornthattheymustbe_____.
Vee-typeengineshavetheconnectingrodsfromtwocylindersconnectedtoeach_____ ofthecrankshaft.
Theterm_____referstoonecompletesequenceofoperationsrequiredtoproducepower inanengine.
Thereisaninjectionpumpforeachcylinderwhichisusuallyoperatedonceeverycycle by_____onthecamshaft.
Thescavengingairportsarelocatedat_____thattheyarejustexposedbytheupper edgeofthepistonwhenthepistonisinthebottomdeadcenterposition.
Thestartingairsystemusuallyhas_____topreventstartingifanythingisnotinorder.
Theviscosityregulatorcontrols_____inordertoprovideoilatthecorrectviscosity forcombustion.
Thetwo-strokecyclebeginswiththepistoncomingupfromthebottomofitsstroke withscavengeportsinthesidesofthecylinderbeing_____.
Thesequenceoffuelinjectionintocylindersisdeterminedby_____.
Toavoidscavengefires_____theenginetimingandequipmentmaintenanceshouldbe correctlycarriedout.
Thesuccessfuloperationofanyengineormachineand____dependoneffectivelubrication.
Thereis_____inanywatercoolingsystemforadieselengineallowingforexpansion andwatermake-upinthesystemaswellasairventandchemicalsaddition.
Tocounteracttheseundesirableeffectscylinderoilsusuallycontainadditives formulatedtoimpartahighdegreeof_____anddetergency.
Tostarttheejectionprocesstheoilfeedtothecentrifugeisfirstshutoffandthe oilremaininginthebowlremovedbyadmitting_____.
Whentheorder_____isreceivedfromthebridgethemainairstopvalveinthestarting airlineshouldbeshut.
Undermanoeuvringconditionthemainenginemayrunon_____.
Therimofthepistonmaycontaincut-outportionstoaccommodate_____whentheyopen.
Thewithdrawingofthecylinderlinersingeneraldependsontheir_____Thismayamount toapproximately1/120ofthediameterinsomeengines.
Thespacebetweencylinderlinerandjacketiscalled_____.
Thisusedpistonhadbeentestedandapprovedasasparepartbythe_____duringlast annualrepair.
Whenacrankshafthastobehandledoutsidetheengineitshouldbecarefullysupported inamannerwhichwillavoid_____highbendingmomentsonit.
Turbochargingsystemmaybedesignedtooperateoneitherthe_____ortheconstant pressureexhaustsystem.
Theshellsaresecuredbymeansofbearingcapsandstudsthenecessaryclearancebeing providedbymeansof_____ofdifferentthickness.
Theselectionofanoildepends_____ontheoperatingconditionsthedesignofthe engineandthetypeoffueltobeburned.
Theworkfueldoesineachworkingcyclecanbeobtainedbytakingthe_____.
Theviscosityregulatorcontrolsthefueloiltemperature_____provideoilatthecorrect viscosityforcombustion.
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