Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Infinity Large Small Absent Infinity Large Small Absent ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Rotor current remains same Rotor current becomes zero Increases the rotor current Decreases the rotor current Rotor current remains same Rotor current becomes zero Increases the rotor current Decreases the rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 95 to 98 % 80 to 90% 60 to 90% 99% 95 to 98 % 80 to 90% 60 to 90% 99% 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 remains constant Its power factor goes on increasing even after full load Its power factor goes on decreasing Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on increasing even after full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Bearings Shaft None of these Stator core Bearings Shaft None of these Stator core ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be 1 Large As small as possible Very large 1 Large As small as possible Very large ANSWER DOWNLOAD EXAMIANS APP
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