Electrical Machines Field weakening control method is used for the _________ ? below rated speed both A and B above rated speed None of these below rated speed both A and B above rated speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.2 0.04 0.02 0.4 0.2 0.04 0.02 0.4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Over-loading for long period. Over-excitation. Periodic variation of load. Small and constant load. Over-loading for long period. Over-excitation. Periodic variation of load. Small and constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to improve the power factor. improve the starting torque. start the motor. reduce the harmonics. improve the power factor. improve the starting torque. start the motor. reduce the harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Power drawn in KW. Power drawn in KVA. Output power at the shaft. Gross power. Power drawn in KW. Power drawn in KVA. Output power at the shaft. Gross power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. starting torque. running torque. efficiency. speed regulation. starting torque. running torque. efficiency. ANSWER DOWNLOAD EXAMIANS APP
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