Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Any of above method. Ward Leonard control. Rheostatic control. None of above. Any of above method. Ward Leonard control. Rheostatic control. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 30° 60° 10° 45° 30° 60° 10° 45° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Lap winding. No wave and lap winding. Wave winding. Both wave and lap winding. Lap winding. No wave and lap winding. Wave winding. Both wave and lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Capacitor run. Split phase. Capacitor start. Shaded pole. Capacitor run. Split phase. Capacitor start. Shaded pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to 1/V² V² supply voltage V 1/V 1/V² V² supply voltage V 1/V ANSWER DOWNLOAD EXAMIANS APP