Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Sudden application of heavy loads Variable speed Infrequent starting Frequent stopping Sudden application of heavy loads Variable speed Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 25 cycles/ second 50 cycles/second None of the listed here 100 cycles/second 25 cycles/ second 50 cycles/second None of the listed here 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Becomes zero Is increased too much Is decreased too much Remains unchanged Becomes zero Is increased too much Is decreased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over loaded Under excited Over excited Under loaded Over loaded Under excited Over excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 45° 120° 60° 90° 45° 120° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of None of the listed here kVAR MVAR VAR None of the listed here kVAR MVAR VAR ANSWER DOWNLOAD EXAMIANS APP