Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 500 rpm 2000 rpm 250 rpm 1000 rpm 500 rpm 2000 rpm 250 rpm 1000 rpm 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? 800W, 1600W 1000W , 1400W 1600W, 800W 1400W, 1000W 800W, 1600W 1000W , 1400W 1600W, 800W 1400W, 1000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 0 .001 %. 3.33 %. None of these 3 %. 0 .001 %. 3.33 %. None of these 3 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by 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. decreasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Drip proof. Splash proof. Open type. Totally enclosed fan coiled. Drip proof. Splash proof. Open type. Totally enclosed fan coiled. ANSWER DOWNLOAD EXAMIANS APP
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