Three Phase Induction Motors The no load speed of an induction motor depends on The number of its poles Both supply frequency and number of poles The maximum flux/poles The supply frequency The number of its poles Both supply frequency and number of poles The maximum flux/poles The supply frequency 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
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0.5 0.1 0 1 0.5 0.1 0 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing 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 Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor remains constant ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance Increasing rotor resistance Increasing rotor reactance None of the listed here Decreasing rotor resistance Increasing rotor resistance Increasing rotor reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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