Synchronous Motors A synchronous motor working at leading power factor can be used as Noise generator Voltage booster Mechanical synchronizer Phase advancer Noise generator Voltage booster Mechanical synchronizer Phase advancer ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity leading lagging zero unity leading lagging zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one hour one minute one second None of these one hour one minute one second None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over loaded Under excited Over excited Under loaded Over loaded Under excited Over excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be lagging unity leading zero lagging unity leading zero ANSWER DOWNLOAD EXAMIANS APP
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