Electrical Machines In alternator, the rotary part is none of these. armature. core. magnetic field poles. none of these. armature. core. magnetic field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 1000 rpm 500 rpm 2000 rpm 250 rpm 1000 rpm 500 rpm 2000 rpm 250 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. Induction motor. DC motor. Both A and C. Synchronous motor. Induction motor. DC motor. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC Series motor, speed lower than the rated speed can be obtained by Connecting an additional resistance in the field circuit. Connecting an additional resistance in the armature circuit. Any of the above. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. Connecting an additional resistance in the armature circuit. Any of the above. Connecting an additional resistance in stator circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Differential compound motor. Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. Cummulative compound motor. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Any of above. Field resistance control. Armature circuit resistance control. Armature voltage control. Any of above. Field resistance control. Armature circuit resistance control. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP