A.eliminate slippage
B.provide excitation
C.provide starting torque
D.increase efficiency
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
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The condensers located in various stages of a flash evaporator are cooled by()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
The cetane rating of diesel fuel is an indication of the ()
Under MARPOL Code the ship to which it applies has to carry ()
Using a file without a handle may result in ()
The ISPS Code consists of a mandatory section-Part A, which shows()