Three Phase Induction Motors Slip rings are usually made of Phospor bronze Carbon Copper Aluminium Phospor bronze Carbon Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Auto transformer starter Using DOL starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. None of the listed here Steady Rotating Alternating None of the listed here Steady Rotating Alternating ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The maximum flux/poles Both supply frequency and number of poles The number of its poles The supply frequency The maximum flux/poles Both supply frequency and number of poles The number of its poles The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. Four Two One Three Four Two One Three ANSWER DOWNLOAD EXAMIANS APP
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