单项选择题
Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially ().
A.increase
B.decrease
C.fluctuate
D.remain constant
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相关考题
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A dirty diesel engine oil filter element can best be detected by ().
A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter -
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In an auxiliary boiler steam and water system, the highest pressure will be in the ().
A.steam stop valve
B.dry pipe
C.feedwater system
D.generating tubes -
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If the jacket water temperature of an operating diesel engine suddenly rises above normal, the cause can be attributed to ().
A.an overfilled expansion tank
B.excess chromate treatment of the jacket water
C.a clogged raw water sea suction
D.cavitation erosion of the heat exchanger tubes
