Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? None of these Shaft Bearings Stator core None of these Shaft Bearings Stator core ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S None of the listed here 1+S S-1 1-S None of the listed here 1+S S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Increases the rotor current Rotor current remains same Rotor current becomes zero Decreases the rotor current Increases the rotor current Rotor current remains same Rotor current becomes zero Decreases the rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Rectangular parabola Parabola Straight line Hyperbola Rectangular parabola Parabola Straight line Hyperbola ANSWER DOWNLOAD EXAMIANS APP