船舶动力装置试题-第67页-百科知识题库-简明问答题库

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[单选]Amagneticstrainerisusedinthedieselenginereductiongearoilsystemtoremovesmallparticlesof（）．

[单选]Whichofthesubstanceslistedissatisfactorilyremovedfromthefuelbyacentrifugaloilpurifier？

[单选]Themostcommoncontaminateofgovernorhydraulicfluidis（）．

[单选]Thepurposeofthesafetyreliefvalvesinstalledonanauxiliaryboileristo（）．

[单选]ThepHvalueofwaterinadieselengineclosedcoolingwatersystemshouldbemaintainedbetween（）．

[单选]Indirectcoolingoffuelinjectornozzleholdersfordieselenginesisaccomplishedprimarilyby（）．

[单选]Inadieselenginecoolingwatersystem，apHof60indicatesa/an（）．

[单选]Whichofthefollowingstatementsconcerningfire-tubeboilersiscorrect？

[单选]AdieselenginecoolingwatersystemwithapHfactorof30indicatesaconditionof（）．

[单选]Fuelinjectorsusedinheavyfueloilsystemsareusuallyprovidedwithcoolingtoreduce（）．

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