Electrical Machines Which of the following are variable losses? shunt field copper loss armature copper loss eddy current loss hysteresis loss shunt field copper loss armature copper loss eddy current loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Shaded pole type. Capacitor run type. Split phase type. Capacitor start. Shaded pole type. Capacitor run type. Split phase type. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 250 rpm 2000 rpm 1000 rpm 500 rpm 250 rpm 2000 rpm 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load primary current in a transformer leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am lags behind applied voltage somewhat less than 90à leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am lags behind applied voltage somewhat less than 90à ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Not develop starting torque. Draw more current without producing sufficient torque. Run at dangerously high speed. Fail to start without load. Not develop starting torque. Draw more current without producing sufficient torque. Run at dangerously high speed. Fail to start without load. ANSWER DOWNLOAD EXAMIANS APP
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