Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Lower winding is more effective Outer cage winding has good pf None of the listed here Lower cage winding has low reactance Lower winding is more effective Outer cage winding has good pf None of the listed here Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased The power factor will be low Bearing friction will reduce Copper loss will reduce Windage losses will be more The power factor will be low Bearing friction will reduce Copper loss will reduce Windage losses will be more ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Low Same as full load torque Negligible Slightly more than full load torque Low Same as full load torque Negligible Slightly more than full load torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 980 W 20 W 500 W 200 W 980 W 20 W 500 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Stiff Flexible Any of the listed here Hollow Stiff Flexible Any of the listed here Hollow 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 increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP