In any diesel engine closed freshwater cooling system, the lowest pressure exists at the （）.

[单选题]In a diesel engine closed freshwater cooling system, the amount of coolant flowing through the heat exchanger is controlled by the __.A．suction pressure regulatorB．thermostatic bypass valveC．sea water temperatureD．water level in the expansion tank

[单选题]In a closed diesel engine freshwater cooling system, the amount of coolant flowing through the heat exchanger is controlled by the （）.A . suction pressure regulatorB . thermostatic bypass valveC . sea water temperatureD . water level in the expansion

[单选题]Immediately after any diesel engine is started, the engineer should check the （）A . crankcase pressureB . lube oil pressureC . saltwater pressureD . exhaust temperature

[单选题]The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.A . reduce water temperatureB . reduce water turbulenceC . provide an air cushionD . allow for an increase in water volume as th

[单选题]Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.A . performanceB . horsepower outputC . fuel consumptionD . scavenge effect

[单选题]The highest pressure in any closed diesel engine freshwater cooling system is at the （）.A . jacket water outletB . expansion tank inletC . heat exchanger inletD . cooling water pump outlet

[单选题]_____ the engines, the diesel engine is ____ used engine on boardA．Between / more commonlyB．Among / the most commonlyC．Between / not more commonlyD．Among / not the most commonly

[单选题]The heart of the diesel engine is the （） where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto

[单选题]The diesel engine is a type of （）.A . turbine engineB . gas turbineC . steam engineD . internal combustion engine

[单选题]F．or a continuous operation diesel engine, a duplex filter unit would be the best arrangement becauseA．changing filter elements would not interrupt engine operationB．filtering occurs twice in each pass of oil through the systemC．clogging will not occ