Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 5% 30 to 50% 15 to 20 % 10 to 15% 5% 30 to 50% 15 to 20 % 10 to 15% 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 remains constant 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 goes on decreasing 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 increasing even after full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Increased four times Decreased four times Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on All of the listed here Rotor inductive reactance Frequency Square of supply voltage All of the listed here Rotor inductive reactance Frequency Square of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load Short-circuited Open circuited None of the listed here Supplying a variable resistive load Short-circuited Open circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Always eqaul to the number of Always greater than the number of Always less than the number of Either more or less than the number of Always eqaul to the number of Always greater than the number of Always less than the number of Either more or less than the number of ANSWER DOWNLOAD EXAMIANS APP
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