A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention
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A.Lube oil is diluted and its viscosity is reduced
B.Sulfuric acid is formed
C.Bearings become pitted ad immediately fail
D.Valve stems develop sludge deposits
A.excessive surging at governed speed
B.combustion knock under load
C.poor fuel combustion
D.all of the above
The sludge tank installed in the diesel engine room is used to collect（）
Ⅰ.sludge from the fuel oil settling tanks ad centrifuge
Ⅱ.water that has been collected in the settling tank
A.Ⅰonly
B.Ⅱ only
C.bothⅠand Ⅱ
D.neitherⅠor Ⅱ
A.ignition lag
B.engine horsepower
C.lube oil system pressure
D.specific fuel consumption
A.governor flyweight action on a pilot valve which controls fuel injection
B.governor flyweight motion acting on fuel controls through suitable linkage
C.positioning a butterfly valve in the fuel delivery system positioning
D.a servomotor piston attached to the fuel controls
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The cetane rating of diesel fuel is an indication of the （）
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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
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.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
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 （）
The ISPS Code consists of a mandatory section-Part A, which shows（）