Electrical Machines The no load current in a transformer lags the applied voltage by about 115°. 90°. 0°. about 75°. about 115°. 90°. 0°. about 75°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ V T ∝ 1/V T∝ V² T ∝ 1/V² T ∝ V T ∝ 1/V T∝ V² T ∝ 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Shunt. Differential compound. Series. Cummulative compound. Shunt. Differential compound. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Starting torque, operating speed, full load current. Full load current. Operating speed. Starting torque. Starting torque, operating speed, full load current. Full load current. Operating speed. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 35°C. 32°C. 27°C. 45°C. 35°C. 32°C. 27°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 50% 57.7% 66.3% 33.3% 50% 57.7% 66.3% 33.3% ANSWER DOWNLOAD EXAMIANS APP
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