A.injection pump plungers stuck or worn
B.low compression
C.solenoid stuck open
D.fuel tank too full
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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
A.reduce wear on the valve stem
B.permit the use of alloy valve seat materials
C.reduce heat transfer from the valve seat
D.facilitate valve removal for servicing
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The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
The shipboard oil pollution emergency plan will be invalid after ()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Using a file without a handle may result in ()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()