Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. negative. low. zero. positive. negative. low. zero. positive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Effiency. Starting torque. Running Torque. Speed regulation. Effiency. Starting torque. Running Torque. Speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor when the length of the air gap is increased, the magnetizing current of the motor increases while the short circuit current __________________. increased. decreased. kept constant to certain value. remains unchanged. increased. decreased. kept constant to certain value. remains unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 115 V. 200 V. 460 V. 230 V. 115 V. 200 V. 460 V. 230 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / V2 (V2 - E2) / E2 (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / V2 (V2 - E2) / E2 (E2 - V2) / V2 (E2 - V2) / E2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 0 Hz 5 Hz 50 Hz 1 Hz 0 Hz 5 Hz 50 Hz 1 Hz ANSWER DOWNLOAD EXAMIANS APP
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