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 _______ 500 W 980 W 20 W 200 W 500 W 980 W 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 65% 90% 40% None of the listed here 65% 90% 40% None of the listed here 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 exact multiple of rotor slots Stator slots are equal to rotor slots None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are exact multiple of rotor slots Stator slots are equal to 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 medium sized induction motor, the slip is generally around 14% 0.04 % 4 % 0.4 % 14% 0.04 % 4 % 0.4 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1440 rpm 730 rpm 2880 rpm 1000 rpm 1440 rpm 730 rpm 2880 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Decreased at starting None of the listed here Increased at starting Increased under running conditions Decreased at starting None of the listed here Increased at starting Increased under running conditions ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS