Electrical Machines As compared to an induction motor, the air gap in a DC motor is less than 50%. more. same. between 50% and 90%. less than 50%. more. same. between 50% and 90%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of hysteresis loss total iron losses eddy current loss copper loss hysteresis loss total iron losses eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 50 Hz 48 Hz 45 HZ 48.5 Hz 50 Hz 48 Hz 45 HZ 48.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Full load current. Operating speed. Starting torque. Starting torque, operating speed, full load current. Full load current. Operating speed. Starting torque. Starting torque, operating speed, full load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of silicon steel. wrought iron. cast iron. cast steel. silicon steel. wrought iron. cast iron. cast steel. ANSWER DOWNLOAD EXAMIANS APP
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