A.prime mover speed
B.exciter output voltage
C.load on the alternator
D.number of poles
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A.shunt field
B.circuit breaker
C.metal framework
D.inter-pole
A.brushes
B.slip rings
C.commutators
D.all of the above
A.is usual
B.is not usual
C.is necessary
D.is not impossible
A.protective earth
B.isolators
C.ground switch
D.circuit-breakers
A.a closed loop control system
B.an open loop control system
C.a boiler control system
D.a steering gear control system
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The cetane rating of diesel fuel is an indication of the （）
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（）
Diesel engine air start system check valves are opened by （）
The treatment of the fuel oils involves storage, heating, filtering and（）
The main purpose of port State control is not to（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（） is not installed on the main switchboar.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）