Three Phase Induction Motors In medium sized induction motor, the slip is generally around 14% 4 % 0.4 % 0.04 % 14% 4 % 0.4 % 0.04 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Rheostatic control Pole changing Cascade control None of the listed here Rheostatic control Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by 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 Using DOL starter Having number of rotor slots more or less than the number of stator slots 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 ______ Uniform torque Greater mechanical strength None of the listed here Less rotor losses Uniform torque Greater mechanical strength None of the listed here Less rotor losses ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Rectangular parabola Hyperbola Parabola Straight line Rectangular parabola Hyperbola Parabola Straight line ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP