Electrical Machines Armature resistance control method is used for the _______ ? None of these above rated speed both 1 and 2 below rated speed None of these above rated speed both 1 and 2 below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to prevent hunting and provide the starting torque. reduce noise level only. provide starting torque only. reduce the eddy currents. prevent hunting and provide the starting torque. reduce noise level only. provide starting torque only. reduce the eddy currents. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of stainless steel. cast iron. carbon. silicon steel. stainless steel. cast iron. carbon. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Reluctance motors. Stepper motors. Induction motors. Universal motors. Reluctance motors. Stepper motors. Induction motors. Universal motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to improve the power factor. reduce the harmonics. start the motor. improve the starting torque. improve the power factor. reduce the harmonics. start the motor. improve the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? both 1 and 2 rotor reactance X None of these rotor resistance R both 1 and 2 rotor reactance X None of these rotor resistance R ANSWER DOWNLOAD EXAMIANS APP