Synchronous Motors A synchronous motor is a ______ motor. None of the listed here Singly fed Variable speed Variable pf None of the listed here Singly fed Variable speed Variable pf ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Pony motor All of the listed here Dc compound motor Provinding damper winding Pony motor All of the listed here Dc compound motor Provinding damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 120° 60° 45° 90° 120° 60° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Decrease Remain unchanged None of the listed here Increase Decrease Remain unchanged None of the listed here Increase ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is more twice less equal more twice less equal ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum The armature current is zero None of the listed here The armature current is maximum The armature current is minimum The armature current is zero None of the listed here The armature current is maximum ANSWER DOWNLOAD EXAMIANS APP