A.AC voltage to the armature
B.AC voltage to the field
C.DC voltage to the armature
D.DC voltage to the field
您可能感興趣的試卷
你可能感興趣的試題
A.wash it with fresh water and apply an external source of heat
B.renew the windings
C.send it ashore to an approved service facility
D.rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
A.the recommended current and voltage rating
B.higher current and voltage rating
C.higher current and lower voltage rating
D.lower current and higher voltage rating
A.prime mover governor
B.exciter generator
C.voltage regulator
D.reverse power relay
A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor
A.load limit settings
B.idle speed settings
C.speed limit settings
D.speed droop settings
最新試題
The main purpose of port State control is not to()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
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.
Using a file without a handle may result in ()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
To proceed to the assistance of a ship in distress is()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()