Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum None of the listed here Maximum Zero minimum None of the listed here Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 1.25 to 3.5 6 to 9 5 to 10 0.5 1.25 to 3.5 6 to 9 5 to 10 0.5 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 If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 100 cycles/second None of the listed here 50 cycles/second 25 cycles/ second 100 cycles/second None of the listed here 50 cycles/second 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Over excited None of the listed here Normally excited Under excited Over excited None of the listed here Normally excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Mechanical synchronizer Voltage booster Noise generator Phase advancer Mechanical synchronizer Voltage booster Noise generator ANSWER DOWNLOAD EXAMIANS APP