A.vibration
B.watertight integrity
C.speed droop
D.reactive power
您可能感興趣的試卷
你可能感興趣的試題
A.frequency meter
B.voltage regulator
C.governor control
D.sychroscope switch
A.rheostat
B.governor
C.exciter
D.capacitor
A.current in the circuit
B.voltage in the circuit
C.inductance in the circuit
D.resistance in the circuit
A.opposes any change in the applied voltage
B.opposes any change in the current flow through the circuit
C.aids any changes in the applied voltage
D.aids any changes in the current through the circuit
A.low loads necessitate frequent insulation cleaning
B.exceeding nameplate values shortens useful life
C.energy is wasted if full loading is not utilized
D.power factor correction methods are load dependent
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Cold weather starting of a diesel engine may be made easier by（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Using a file without a handle may result in （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）