Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting 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 ______ None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged Is increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf Lower cage winding has low reactance None of the listed here Lower winding is more effective Outer cage winding has good pf Lower cage winding has low reactance None of the listed here Lower winding is more effective ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Both starting and operation None of the listed here Operation only Starting only Both starting and operation None of the listed here Operation only Starting only ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are decreased No load current is decreased None of the listed here Leakage reactances are increased Leakage reactances are decreased No load current is decreased None of the listed here Leakage reactances are increased 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 up to full load and then it falls again Its power factor goes on increasing even after full load Its power factor goes on decreasing 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 increasing even after full load ANSWER DOWNLOAD EXAMIANS APP
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