Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by None of above. Armature resistance. Residual magnetism of the generator. Field resistance. None of above. Armature resistance. Residual magnetism of the generator. Field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Cummulative compound. Shunt. Differential compound. Series. Cummulative compound. Shunt. Differential compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers high resistance and high reactance. high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. high resistance and high reactance. high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² f V² V f² f V² V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to control the armature flux. limit the armature current. control the field flux. demagnetize the field partially. control the armature flux. limit the armature current. control the field flux. demagnetize the field partially. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will get heated and damaged. rotate in the same direction as before maintenance. not start at all. rotate in direction opposite to that before maintenance. get heated and damaged. rotate in the same direction as before maintenance. not start at all. rotate in direction opposite to that before maintenance. ANSWER DOWNLOAD EXAMIANS APP