Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on rotor poles None of the listed here Damper winding on stator Damper winding on stator as well as rotor poles Damper winding on rotor poles None of the listed here Damper winding on stator Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging unity zero leading lagging unity zero leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ None of the listed here High speed, high output Low speed, high output High speed, low output None of the listed here High speed, high output Low speed, high output High speed, low output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Flux density None of the listed here Rotor speed Rotor excitation Flux density None of the listed here Rotor speed Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A resistor A capacitor An inductor None of the listed here A resistor A capacitor An inductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field ANSWER DOWNLOAD EXAMIANS APP
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