Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor remains constant Its power factor goes on increasing up to full load and then it falls again Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor remains constant Its power factor goes on increasing up to full load and then it falls again ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ None of the listed here Provides fine speed control Has simple and rugged construction Provides high starting torque None of the listed here Provides fine speed control Has simple and rugged construction Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Cast iron High speed steel Stainless steel Carbon steel Cast iron High speed steel Stainless steel Carbon steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0 0.5 1 0.1 0 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Windage losses will be more The power factor will be low Bearing friction will reduce Copper loss will reduce Windage losses will be more The power factor will be low Bearing friction will reduce Copper loss will reduce ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is decreased Remains unchanged None of the listed here Is increased Is decreased Remains unchanged None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
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