Three Phase Induction Motors In an induction motor, no load the slip is generally 4% 1.5 % Less than 1% 2% 4% 1.5 % Less than 1% 2% 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% None of the listed here 40% 90% 65% None of the listed here 40% 90% 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 _______ 200 W 980 W 500 W 20 W 200 W 980 W 500 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to Directly proportional to sqaure of None of the listed here Independent of Directly proportional to Directly proportional to sqaure of None of the listed here Independent of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased at starting None of the listed here Decreased at starting Increased under running conditions Increased at starting None of the listed here Decreased at starting Increased under running conditions ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Equal to stator poles Prime number Even number None of the listed here Equal to stator poles Prime number Even number None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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