A.proportional control
B.integral control
C.derivative control
D.on-off control
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A.fuel manifold
B.lubricating pipe line
C.auxiliary engine pipe line
D.generator output line
A.Routine supervisory labor particularly the unproductive night-service labor is reduced
B.Engine mal-operation is automatically sensed and manned
C.The engine room need be manned at night in bad weather or close waters
D.Some remedial measures can be taken automatically
A.internal heat it can withstand
B.load it can carry continuously
C.load it is capable of supplying
D.overload it can carry for a specified time only
A.full excitation
B.load
C.power factor
D.number of poles
A.blow out coils
B.governor relay
C.under voltage trips
D.reverse current trips
最新試題
The main purpose of port State control is not to（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Cold weather starting of a diesel engine may be made easier by（）
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 （）
Diesel engine air start system check valves are opened by （）
The treatment of the fuel oils involves storage, heating, filtering and（）
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）