Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Very large 1 Large As small as possible Very large 1 Large As small as possible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when 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 Rotor speed is more than the synchronous speed of the field and are in the same direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ S-1 None of the listed here 1+S 1-S S-1 None of the listed here 1+S 1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots None of the listed here Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 14% 0.4 % 0.04 % 4 % 14% 0.4 % 0.04 % 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 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 Its power factor goes on increasing even after full load Its power factor remains constant ANSWER DOWNLOAD EXAMIANS APP