Synchronous Motors Mostly, synchronous motors are of Smooth cylindrical type machines Salient pole type machines Induction type machines Alternator type machines Smooth cylindrical type machines Salient pole type machines Induction type machines Alternator type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one second one hour None of these one minute one second one hour None of these one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Applied stator voltage Torque angle Field excitation Speed Applied stator voltage Torque angle Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Low torque loads Variable speed loads Fluctuating loads Power factor corrections Low torque loads Variable speed loads Fluctuating loads Power factor corrections ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at unity power factor 0.707 power factor leading 0.707 power factor lagging zero power factor leading unity power factor 0.707 power factor leading 0.707 power factor lagging zero power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 0.5 5 to 10 1.25 to 3.5 6 to 9 0.5 5 to 10 1.25 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
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