Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 0. 500. 2000. 1000. 0. 500. 2000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. slip X 50 / 3. slip X 59 / 3. 1. slip X 69 / 3. slip X 50 / 3. slip X 59 / 3. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The total core loss of a 400 V, 50 Hz transformer is 2400W, when it is supplied by 200 V, 25 Hz loss is 800W. Calculate eddy current loss and hysteresis loss? 1400W, 1000W 800W, 1600W 1000W , 1400W 1600W, 800W 1400W, 1000W 800W, 1600W 1000W , 1400W 1600W, 800W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on P. none of these. Z. P and Z. P. none of these. Z. P and Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by decreasing of frequency. speed can not be increased. increasing number of poles. increasing of frequency. decreasing of frequency. speed can not be increased. increasing number of poles. increasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become 4 times. one fourth. half. double. 4 times. one fourth. half. double. ANSWER DOWNLOAD EXAMIANS APP
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