Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ None of the listed here Is at standstill Approches synchronous speed Approches half synchronous speed None of the listed here Is at standstill Approches synchronous speed Approches half synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank An over excited synchronous motor driving mechanical load None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank An over excited synchronous motor driving mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to Directly proportional to square of Invesely proportional to Independent of Directly proportional to Directly proportional to square of Invesely proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ A resistor A capacitor An inductor None of the listed here A resistor A capacitor An inductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ Less than rated horsepower output More than rated rotor current None of the listed here More than rated horseppwer output Less than rated horsepower output More than rated rotor current None of the listed here More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
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