A.Alternators
B.Wave guides
C.Exciters
D.Amplidynes
您可能感興趣的試卷
你可能感興趣的試題
A.quartered
B.unchanged
C.doubled
D.quadrupled
A.both generate alternating voltages
B.both rectify the voltage before delivery
C.are constructed at the same physical size for the same kilowatt rating
D.both supply three-phase power
A.increase the field excitation
B.decrease the field excitation
C.increase the number of magnetic poles
D.increase the speed of the prime mover
A.in series with the power source and load
B.in parallel with the power source and load
C.insuring correct polarity
D.using the lowest range possible to prevent instrument damage
A.main alternator field rheostat
B.exciter field rheostat
C.prime mover governor control
D.equalizing reactor
最新試題
The cetane rating of diesel fuel is an indication of the ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
To proceed to the assistance of a ship in distress is()
Using a file without a handle may result in ()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Diesel engine air start system check valves are opened by ()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
Cold weather starting of a diesel engine may be made easier by()