Synchronous Motors Synchronous capacitor is An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load An ordinary static capacitor bank None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Speed Applied stator voltage Field excitation Torque angle Speed Applied stator voltage Field excitation Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging power factor only Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only Unity power factor only Lagging, leading and unity power factors Leading power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ 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 None of the listed here Coincident with statorbpoles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Two slip rings Three slip rings No slip rings One slip rings Two slip rings Three slip rings No slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Motor speed Applied voltage of the motor Power factor of power drawn by the motor Any of the above Motor speed Applied voltage of the motor Power factor of power drawn by the motor Any of the above ANSWER DOWNLOAD EXAMIANS APP