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 The rotor of induction motor Always revolves in the direction opposite to stator flux Insufficient data Always revolves in the direction of stator flux None of the listed here Always revolves in the direction opposite to stator flux Insufficient data Always revolves in the direction of stator flux None of the listed here 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 The condition of induction motor on load resemble those of a transformer whose secondady is _______ Open circuited None of the listed here Supplying a variable resistive load Short circuited Open circuited None of the listed here Supplying a variable resistive load Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance Increasing rotor reactance None of the listed here Decreasing rotor resistance Increasing rotor resistance Increasing rotor reactance None of the listed here Decreasing rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance All of these Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance All of these ANSWER DOWNLOAD EXAMIANS APP
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