Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging 0.707 power factor leading zero power factor leading unity power factor 0.707 power factor lagging 0.707 power factor leading zero power factor leading unity power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Synchronising angle Angle of retardation Power factor angle Torque angle Synchronising angle Angle of retardation Power factor angle Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 30° 0° 75° 45° 30° 0° 75° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.5 leading 0.8 leading 0.8 lagging Unity 0.5 leading 0.8 leading 0.8 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
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