Synchronous Motors The size of a synchronous motor is determined by its _____ kVA rating None of the listed here kVAR rating kW rating kVA rating None of the listed here kVAR rating kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the supply voltage changing the load changing frequency using brakes changing the supply voltage changing the load changing frequency using brakes 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 None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 45° 120° 90° 60° 45° 120° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum None of the listed here The armature current is zero The armature current is maximum The armature current is minimum None of the listed here The armature current is zero The armature current is maximum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP