Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Hyperbola Parabola Rectangular parabola Straight line Hyperbola Parabola Rectangular parabola Straight line ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Uniform torque None of the listed here Less rotor losses Greater mechanical strength Uniform torque None of the listed here Less rotor losses Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 50 Hz 2 Hz 20 Hz 200 Hz 50 Hz 2 Hz 20 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 10 to 15% 15 to 20 % 5% 30 to 50% 10 to 15% 15 to 20 % 5% 30 to 50% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Pole changing Rheostatic control Cascade control None of the listed here Pole changing Rheostatic control Cascade control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Copper losses in motor Supply voltage Supply frequency None of these Copper losses in motor Supply voltage Supply frequency None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS