A.prevent the diesel engine surging
B.prevent governor from being damaged because of swing
C.reduce the probability of the crank shaft being torsional vibrated and resonated
D.prevent the main engine being overload or overspeed
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A.the power of main engine will be reduced
B.exhaust temperature will be increased
C.the speed of the ship will be reduced
D.the propulsion characteristic of propeller will keep unchanged
A.reduce fuel feeding
B.increase fuel feeding
C.keep original fuel feeding
D.be overspeed
A.overspeed；overload
B.overload；overspeed
C.over torque；overspeed
D.low mechanical efficiency；overload
A.power of main engine
B.turbine rotation speed
C.speed of main engine
D.exhaust temperature
A.Ⅰ + Ⅱ
B.Ⅰ ~ Ⅲ
C.Ⅰ ~ Ⅳ
D.Ⅰ + Ⅱ + Ⅳ
最新試題
（） is not installed on the main switchboar.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Cold weather starting of a diesel engine may be made easier by（）
The cetane rating of diesel fuel is an indication of the （）
Which of the following items don’t belong to dock repair works?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The condensers located in various stages of a flash evaporator are cooled by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.