Electrical Machines Which single phase motor is used for a refrigerator? Universal. Capacitor run. Repulsion. Split phase. Universal. Capacitor run. Repulsion. Split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? shaded, shaded unshaded, shaded unshaded, unshaded shaded, unshaded shaded, shaded unshaded, shaded unshaded, unshaded shaded, unshaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 95% 94% 96% 92% 95% 94% 96% 92% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then I1 < I2 I1 = I2 I1 > I2 None of these I1 < I2 I1 = I2 I1 > I2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it All of these makes the material brittle. Increases cost. increases hysteresis loss. All of these makes the material brittle. Increases cost. increases hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 11% 41% 21% 10% 11% 41% 21% 10% ANSWER DOWNLOAD EXAMIANS APP
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