A.the speed of the alternators
B.the field strength of the machines
C.the power factor of the alternators
D.steam supply to the prime movers
您可能感興趣的試卷
你可能感興趣的試題
A.change AC to DCcurrent
B.change DC to AC current
C.neutralize a armature reaction
D.carry current to the outside circuit
A.they are used
B.the field windings are connected to the load
C.the armature circuit is connected to the load
D.the field windings are connected to the armature circuit
A.series circuit
B.grounded circuit
C.short circuit
D.closed circuit
A.means of rheostat the governor settings
B.a balance coil excitation
C.adjusting the governor settings
D.changing excitation
A.shunt
B.high-resistance coil in the armature circuit
C.low-resistance coil in the armature circuit
D.shunt and a coil of high resistance
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The main purpose of port State control is not to（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Under MARPOL Code the ship to which it applies has to carry （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）