A.excessively late fuel injection
B.oil in the air charge
C.water in the fuel
D.injection continuing after the fuel charge is ignited
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A.injection pump plungers stuck or worn
B.low compression
C.solenoid stuck open
D.fuel tank too full
A.facilitate bi-directional operation
B.provide the greatest pump efficiency
C.prevent pump clogging from marine growth
D.prevent cavitation at the pump outlet
A.raw water pump discharge
B.expansion tank outlet
C.cooling water heat exchanger
D.outlet engine jacket water outlet
In a diesel engine, a cylinder liner should be replaced if it is （）
Ⅰ.Scuffed
Ⅱ.Scored
A.Ⅰ only is correct
B.Ⅱ only is correct
C.both Ⅰ and Ⅱ are correct
D.neither Ⅰ or Ⅱ are correct
A.metal particles loosened by wear
B.air when air cleaners are not used
C.condensation of water vapors
D.breakdown of the lubricating oil by dilution
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Under MARPOL Code the ship to which it applies has to carry （）
The shipboard oil pollution emergency plan will be invalid after （）
Cold weather starting of a diesel engine may be made easier by（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Using a file without a handle may result in （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.