船舶动力装置试题-第86页-百科知识题库-简明问答题库

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[单选]Undermanoeuvringconditionthemainenginemayrunon（）．

[单选]Turbochargingsystemmaybedesignedtooperateoneitherthe（）ortheconstantpressureexhaustsystem．

[单选]Turbochargingofmarinedieselengineisachievedbytwodistinctmethods，（）termedtheconstantpressureandthepulsesystem．

[单选]Topreventthebuildupofhighstressesenginemustnotberuncontinuously（）．

[单选]Tocounteracttheseundesirableeffectscylinderoilsusuallycontainadditivesformulatedtoimpartahighdegreeof（）anddetergency．

[单选]Toavoidscavengefiresoccurringtheenginetimingandequipmentmaintenance（）．

[单选]Toavoidscavengefires（）theenginetimingandequipmentmaintenanceshouldbecorrectlycarriedout．

[单选]Thosegenerallyusedadditivesforcoolingwaterareeitheranti-corrosionoilsorinorganic（）．

[单选]Thisusedpistonhadbeentestedandapprovedasasparepartbythe（）duringlastannualrepair．

[单选]Theyunderstandthe（）ofautomaticsludgedischargingofthepurifierButtheyarenotgoodinpractice．

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