Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation high stability limit lower stability limit good voltage regulation good speed regulation high stability limit lower stability limit good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Torque angle Power factor angle Angle of retardation Synchronising angle Torque angle Power factor angle Angle of retardation Synchronising angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum The armature current is zero None of the listed here The armature current is minimum The armature current is maximum The armature current is zero None of the listed here The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-out torque None of these pull-up torque pull-in torque pull-out torque None of these pull-up torque pull-in torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Two One Zero Infinity Two One Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections ANSWER DOWNLOAD EXAMIANS APP