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单选题
In any diesel engine closed freshwater cooling system, the lowest pressure exists at the （）.
A
jacket water outlet
B
cooling water pump outlet
C
heat exchanger outlet
D
expansion tank atmospheric vent
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单选题The outlet from an expansion tank of a closed freshwater cooling system should be piped to the （）.A
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单选题The highest pressure in any closed diesel engine freshwater cooling system is at the （）.A
jacket water outletB
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单选题In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in （）A
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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
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单选题There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.A
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单选题A faulty thermostatic bypass valve, in a diesel engine cooling system, can result in （）A
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单选题In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）A
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单选题The jacket water temperature in a diesel engine closed freshwater cooling system is normally controlled by （）A
regulating the level of corrosion inhibitor in the primary cooling systemB
the level of the freshwater expansion tankC
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