A、reduce water temperature
B、reduce water turbulence
C、provide an air cushion
D、allow for an increase in water volume as the engine warms up
更多“The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.”相关的问题
A、the expansion tank is lack of water B、the expansion tank is over flowing C、there is something wrong with the cooling system D、there is something wrong with the engine
A、A.fresh water expansion tank B、B.sea water expansion tank C、C.thermostatic expansion valve D、D.jacket water cooler accumulator
A、in the ends of each tank B、in the expansion trunk of each tank C、above the weather deck D、there are no requirements in the regulation
A、A.Faulty thermostatic bypass valve B、B.Eroded zinc pencils in the heat exchanger C、C.Steam formation in the expansion tank D、D.Excessive leakage from jacket water pump seal
A、the highest point in the system B、the lowest point in the system C、near the floor D、plate level or near the tank top level
A、A.calculating the ullage in the cargo tanks B、B.loading ballast by gravity C、C.the loading of new cargo into the slop tank as a procedure to minimize pollution D、D.calculating the ratio of cargo expansion in a cargo tank
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