Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 10 percent 4 percent 2 percent Zero 10 percent 4 percent 2 percent Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to Independent of Directly proportional to square of Invesely proportional to Directly proportional to Independent of Directly proportional to square of Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 90° 120° 45° 60° 90° 120° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque while over-excited below or above synchronous speed when under loaded only at synchronous speed while over-excited below or above synchronous speed when under loaded only at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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