Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load Open circuited None of the listed here Short-circuited Supplying a variable resistive load Open circuited None of the listed here Short-circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Copper losses in motor None of these Supply voltage Supply frequency Copper losses in motor None of these Supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Rotor emf Shaft diameter Rotor power factor Rotor current Rotor emf Shaft diameter Rotor power factor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ 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 Not easily maintainable ANSWER DOWNLOAD EXAMIANS APP
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 The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 65% 40% 90% None of the listed here 65% 40% 90% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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