Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be lagging unity zero leading lagging unity zero leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one minute one second None of these one hour one minute one second None of these one hour ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating kVA rating None of the listed here kW rating kVAR rating kVA rating None of the listed here kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is zero The armature current is minimum The armature current is maximum None of the listed here The armature current is zero The armature current is minimum The armature current is maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry Direct current All of the listed here Alternating current No current Direct current All of the listed here Alternating current No current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Noise generator Phase advancer Voltage booster Mechanical synchronizer Noise generator Phase advancer Voltage booster Mechanical synchronizer ANSWER DOWNLOAD EXAMIANS APP