Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible Large 1 Very large As small as possible Large 1 Very large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times None of the listed here Two times Equal to Four times None of the listed here Two times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on increasing even after full load Its power factor remains constant Its power factor goes on decreasing 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 remains constant Its power factor goes on decreasing Its power factor goes on increasing up to full load and then it falls again ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Lower cage winding has low reactance Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance Outer cage winding has good pf None of the listed here Lower winding is more effective ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than None of the listed here Equal to Smaller than Greater than None of the listed here Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
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