Electrical Machines If the flux of DC motor approaches zero, its speed will approach zero. between zero and infinity. aprroach infinity. remain unchanged. approach zero. between zero and infinity. aprroach infinity. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of fractional kW DC machines. DC machines bellow 5 kW. None of these DC machines above 10 kW. fractional kW DC machines. DC machines bellow 5 kW. None of these DC machines above 10 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be any of these. hollow. flexible. stiff. any of these. hollow. flexible. stiff. 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? 1600W, 800W 800W, 1600W 1400W, 1000W 1000W , 1400W 1600W, 800W 800W, 1600W 1400W, 1000W 1000W , 1400W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is more expensive for same KW output rating ? Synchronous motor. Induction motor. AC single phase motor. DC Shunt Motor Synchronous motor. Induction motor. AC single phase motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce iron loss. volume of iron. reluctance of core. volume of copper. iron loss. volume of iron. reluctance of core. volume of copper. ANSWER DOWNLOAD EXAMIANS APP
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