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
您可能感興趣的試卷
你可能感興趣的試題
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
A.minimum
B.maximum
C.leading
D.lagging
A.undercutting
B.sanding
C.burnishing
D.filing
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The condensers located in various stages of a flash evaporator are cooled by（）
The shipboard oil pollution emergency plan will be invalid after （）
To proceed to the assistance of a ship in distress is（）
The treatment of the fuel oils involves storage, heating, filtering and（）
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（）
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.
Under MARPOL Code the ship to which it applies has to carry （）