Electrical Machines Which of the following statements are correct ? Both 1 and 2. The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these Both 1 and 2. The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V² f V f² V² f V f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. medium. low. high. zero. medium. low. high. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Split phase IM. Capacitor start IM. Capacitor start capacitor run IM. Synchronous motor. Split phase IM. Capacitor start IM. Capacitor start capacitor run IM. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor decreases. increases. None of these remains same. decreases. increases. None of these remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors. Calculate the back emf produced when it is running at a speed of 1500 rpm. 230 volt. 440 volt. 220 volt. 240 volt. 230 volt. 440 volt. 220 volt. 240 volt. ANSWER DOWNLOAD EXAMIANS APP