Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 2.5Hz 2HZ 1 Hz 50Hz 2.5Hz 2HZ 1 Hz 50Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. field current on Y-axis and armature current on X-axis. either of these. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. field current on Y-axis and armature current on X-axis. either of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 2. 4. 6. 8. 2. 4. 6. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Cage induction motor. Shaded pole IM. Synchronous motors. Split phase IM. Cage induction motor. Shaded pole IM. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to decrease the load current. increase the load current. both 1 and 2. suppress the hunting. decrease the load current. increase the load current. both 1 and 2. suppress the hunting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Series motor. Shunt motor. Cummulative compound motor. Differential compound motor. Series motor. Shunt motor. Cummulative compound motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP