Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 10 to 15% 30 to 50% 5% 15 to 20 % 10 to 15% 30 to 50% 5% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance Decreasing rotor resistance Increasing rotor reactance None of the listed here Increasing rotor resistance Decreasing rotor resistance Increasing rotor reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Any of the listed here Same Smaller Bigger Any of the listed here Same Smaller Bigger ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Open circuited Short circuited Supplying a variable resistive load None of the listed here Open circuited Short circuited Supplying a variable resistive load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from All of these Blocked rotor test No-load test Stator resistance test All of these Blocked rotor test No-load test Stator resistance test ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Proper ventilation Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots ANSWER DOWNLOAD EXAMIANS APP
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