Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A resistor. A capacitor. None of these. an inductor. A resistor. A capacitor. None of these. an inductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Rotor current. Running torque. Slip. Line voltage. Rotor current. Running torque. Slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A load of 900 lbs is to be raised with a lift car weighting 855 lbs at a speed of 110 feet per minute, the over balance being 40 % and percentage efficiency 45 %. Find the horse power of the motor without counterweight 160. 150. 170. 180. 160. 150. 170. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of electromagnetic induction. self induction. self or mutual induction. mutual induction. electromagnetic induction. self induction. self or mutual induction. mutual induction. 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 None of these I1 = I2 I1 > I2 I1 < I2 None of these I1 = I2 I1 > I2 I1 < I2 ANSWER DOWNLOAD EXAMIANS APP
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