Synchronous Motors Synchronous capacitor is None of the listed here An ordinary static capacitor bank An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load None of the listed here An ordinary static capacitor bank An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Zero Two Infinity One Zero Two Infinity One ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these less than the supply voltage more than the supply voltage equal to the supply voltage None of these less than the supply voltage more than the supply voltage equal to the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation High stability limit Lower stability limit Good speed regulation Good voltage regulation High stability limit Lower stability limit Good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded only at synchronous speed below or above synchronous speed while over-excited when under loaded only at synchronous speed below or above synchronous speed while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-out torque None of these pull-up torque pull-in torque pull-out torque None of these pull-up torque pull-in torque ANSWER DOWNLOAD EXAMIANS APP