Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Field excitation Applied stator voltage Torque angle Speed Field excitation Applied stator voltage Torque angle Speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is more less twice equal more less twice equal ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ Half full load Full load No load None of the listed here Half full load Full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing frequency changing the supply voltage using brakes changing the load changing frequency changing the supply voltage using brakes changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. None of the listed here 0.8 lagging Unity 0.8 leading None of the listed here 0.8 lagging Unity 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Noise generator Mechanical synchronizer Voltage booster Phase advancer Noise generator Mechanical synchronizer Voltage booster Phase advancer ANSWER DOWNLOAD EXAMIANS APP