單項選擇題Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

A.Sensitivity
B.Power
C.Speed droop
D.Compensation


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1.單項選擇題Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

A.double bottom fuel oil tank temperature
B.heater supply steam flow
C.pressure of the fuel supplied to the burners
D.attemperator steam flow in the heater discharge circuit

2.單項選擇題“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()

A.substandard ship
B.standard ship
C.over-standard ship
D.reference ship

3.單項選擇題Using a file without a handle may result in ()

A.your work becoming rounded
B.injury to your hand
C.overheating of the file
D.pinning

4.單項選擇題The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()

A.for atomizing
B.for centrifuging
C.in a storage tank
D.in the re-circulating line

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Diesel engine air start system check valves are opened by ()

題型:單項選擇題

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()

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The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

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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()

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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

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When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

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The cetane rating of diesel fuel is an indication of the ()

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To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()

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Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()

題型:單項選擇題