Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here 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 If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S 1+S None of the listed here S-1 1-S 1+S None of the listed here S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots None of the listed here Stator slots are not exact multiple of rotor slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Copper loss will reduce The power factor will be low Bearing friction will reduce Windage losses will be more Copper loss will reduce The power factor will be low Bearing friction will reduce Windage losses will be more ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ Not easily maintainable A variable speed motor Essentially a constant speed motor Very costly Not easily maintainable A variable speed motor Essentially a constant speed motor Very costly ANSWER DOWNLOAD EXAMIANS APP