Synchronous Motors A synchronous motor can develop synchronous torque below or above synchronous speed only at synchronous speed when under loaded while over-excited below or above synchronous speed only at synchronous speed when under loaded while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is None of the listed here An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load An ordinary static capacitor bank ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with speed Varies with power factor Varies with the load Remains constant at all loads Varies with speed Varies with power factor Varies with the load Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one hour one second None of these one minute one hour one second None of these one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable load Windage friction Variable frequency Variable supply frequency Variable load Windage friction Variable frequency Variable supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 1% Zero Positive 0.5% 1% Zero Positive 0.5% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS