Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S S/1-S 1/S 1-S S S/1-S 1/S 1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Speed control is required Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required Less costly motor is not required High starting torque is required High rotor resistance is required during running ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ A variable speed motor Not easily maintainable Very costly Essentially a constant speed motor A variable speed motor Not easily maintainable Very costly Essentially a constant speed motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to Variable speed motors High speed motors Low horsepower motors High horsepower motors Variable speed motors High speed motors Low horsepower motors High horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on decreasing Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor goes on decreasing Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again ANSWER DOWNLOAD EXAMIANS APP
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