Synchronous Motors A synchronous motor will always stop when Load in motor varies Supply voltage fluctuates Supply voltage frequency changes Excitation winding gets disconnected Load in motor varies Supply voltage fluctuates Supply voltage frequency changes Excitation winding gets disconnected ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load load angle All of these speed load load angle All of these speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 0.01 0.005 zero 1 0.01 0.005 zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to square of Directly proportional to Invesely proportional to Independent of Directly proportional to square of Directly proportional to Invesely proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor None of the listed here A resistor A capacitor An inductor None of the listed here A resistor A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine None of the listed here Has a damper winding Has no losses Is a doubly fed machine None of the listed here Has a damper winding Has no losses ANSWER DOWNLOAD EXAMIANS APP
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