The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.

The events of each of  the______ diesel engine are suction，compression，expansion

The position of the sump tank of the two-stroke diesel engine is often in-------

[单选题]Expansion tank should be used to remove （） from cooling water.A . scaleB . sludgeC . chemicalsD . air

[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]In any diesel engine closed freshwater cooling system, the lowest pressure exists at the （）.A . jacket water outletB . cooling water pump outletC . heat exchanger outletD . expansion tank atmospheric vent

[单选题]If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.A . viscosityB . flash pointC . acid valueD . temperature

A supercharged diesel engine when compared to a similar naturally aspirated dies

[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