Three Phase Induction Motors The term cogging is associated with Induction motors Three phase transformer Dc series motors Compound generators Induction motors Three phase transformer Dc series motors Compound generators ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Less rotor losses None of the listed here Uniform torque Greater mechanical strength Less rotor losses None of the listed here Uniform torque Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz None of the listed here 60 Hz 50 Hz 25 Hz None of the listed here 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to Unity 0.2 leading 0.5 leading 0.2 lagging Unity 0.2 leading 0.5 leading 0.2 lagging ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine ANSWER DOWNLOAD EXAMIANS APP