Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to sqaure of Independent of None of the listed here Directly proportional to Directly proportional to sqaure of Independent of None of the listed here Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Remains unchanged None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. 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 Always eqaul to the number of Always greater than the number of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1000 rpm 2880 rpm 730 rpm 1440 rpm 1000 rpm 2880 rpm 730 rpm 1440 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ None of the listed here Increasing rotor resistance Decreasing rotor resistance Increasing rotor reactance None of the listed here Increasing rotor resistance Decreasing rotor resistance Increasing rotor reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux Insufficient data ANSWER DOWNLOAD EXAMIANS APP
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