Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. Delta Partly star and partly delta None of the listed here Star Delta Partly star and partly delta None of the listed here Star ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Rotor leakage reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance Rotor leakage reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation 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 The number of slip rings on a squirrel cage induction motor is usually Two Three One None Two Three One None 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 ______ Greater mechanical strength Less rotor losses Uniform torque None of the listed here Greater mechanical strength Less rotor losses Uniform torque None of the listed here 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 ______ Is decreased Is increased None of the listed here Remains unchanged Is decreased Is increased None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP