Three Phase Induction Motors Less maintenance troubles are experienced in case of Both (A) and (B) Squirrel cage induction motor None of these Slip ring induction motor Both (A) and (B) Squirrel cage induction motor None of these Slip ring induction motor 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 ______ 90% 40% None of the listed here 65% 90% 40% None of the listed here 65% 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 _______ 20 W 200 W 500 W 980 W 20 W 200 W 500 W 980 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to sqaure of Independent of None of the listed here Directly proportional to Directly proportional to sqaure of Independent of None of the listed here Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Large Small Absent Infinity Large Small Absent Infinity ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Same Bigger Smaller Any of the listed here Same Bigger Smaller Any of the listed here ANSWER DOWNLOAD EXAMIANS APP