Synchronous Motors A synchronous motor can operate at Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only 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-in torque None of these pull-up torque pull-out torque pull-in torque None of these pull-up torque pull-out torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Field excitation Speed Applied stator voltage Torque angle Field excitation Speed Applied stator voltage Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 90° electrical 45° electrical 0° electrical 30° electrical 90° electrical 45° electrical 0° electrical 30° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about None of these one second one minute one hour None of these one second one minute one hour ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc series generator Synchronous motor Dc compound generator Dc shunt generator Dc series generator Synchronous motor Dc compound generator Dc shunt generator ANSWER DOWNLOAD EXAMIANS APP
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