Electrical Machines A generator may loose residual magnetism due to over excitation. any of these. vibrations. heating. over excitation. any of these. vibrations. heating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Differential compound. Series. Cummulative compound. Shunt. Differential compound. Series. Cummulative compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 10° 30° 45° 60° 10° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Hysteresis losses Eddy current losses Friction and windage losses All of the them Hysteresis losses Eddy current losses Friction and windage losses All of the them ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. Any of above method. None of above. Rheostatic control. Ward Leonard control. Any of above method. None of above. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 100 1 10 50 100 1 10 50 ANSWER DOWNLOAD EXAMIANS APP
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