Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Mutual induction Self induction Hysteresis Eddy currents Mutual induction Self induction Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 5% 30 to 50% 10 to 15% 15 to 20 % 5% 30 to 50% 10 to 15% 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 The starting torque of a 3-phase induction motor is _______ supply voltage. None of the listed here Directly proportional to sqaure of Independent of Directly proportional to None of the listed here Directly proportional to sqaure of Independent of Directly proportional to 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 two times Decreased four times Increased four times Decreased two times Increased two times Decreased four times Increased four times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
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