Synchronous Motors Synchronous motor always run at None of the listed here More than synchronous speed The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed The synchronous speed Less than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ None of the listed here 30 16 36 None of the listed here 30 16 36 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor speed None of the listed here Flux density Rotor excitation Rotor speed None of the listed here Flux density Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Windage friction Variable supply frequency Variable load Variable frequency Windage friction Variable supply frequency Variable load Variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Low torque loads Power factor corrections Variable speed loads Fluctuating loads Low torque loads Power factor corrections Variable speed loads Fluctuating loads ANSWER DOWNLOAD EXAMIANS APP
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