Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 2400 rpm 1600 rpm 400 rpm 1200 rpm 2400 rpm 1600 rpm 400 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible 1 Large Very large As small as possible 1 Large Very large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Hyperbola Parabola Straight line Rectangular parabola Hyperbola Parabola Straight line Rectangular parabola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 lagging 0.2 leading Unity 0.5 leading 0.2 lagging 0.2 leading Unity 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ Not easily maintainable Very costly Essentially a constant speed motor A variable speed motor Not easily maintainable Very costly Essentially a constant speed motor A variable speed motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1200 rpm 300 rpm 1000 rpm 600 rpm 1200 rpm 300 rpm 1000 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
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