Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One minute None of the listed here One hour One second One minute None of the listed here One hour One second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 75° 0° 45° 30° 75° 0° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ None of the listed here Coincident with statorbpoles 45° (electrical) behind stator poles Mid way between N and S poles of stator None of the listed here Coincident with statorbpoles 45° (electrical) behind stator poles Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at More than synchronous speed Less than synchronous speed None of the listed here The synchronous speed More than synchronous speed Less than synchronous speed None of the listed here The synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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