Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded over-loaded supplied with unbalanced voltage None of these under-loaded over-loaded supplied with unbalanced voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Noise generator Phase advancer Voltage booster Mechanical synchronizer Noise generator Phase advancer Voltage booster Mechanical synchronizer 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 The mechanical power developed by a synchronous motor is independent of _________. Speed Torque angle Field excitation Applied stator voltage Speed Torque angle Field excitation Applied stator voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have No slip rings One slip rings Three slip rings Two slip rings No slip rings One slip rings Three slip rings Two slip rings 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