Three Phase Induction Motors Less maintenance troubles are experienced in case of Slip ring induction motor Squirrel cage induction motor None of these Both (A) and (B) Slip ring induction motor Squirrel cage induction motor None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 10 to 15% 30 to 50% 5% 15 to 20 % 10 to 15% 30 to 50% 5% 15 to 20 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased two times Increased four times Increased two times Decreased four times Decreased two times Increased four times Increased two times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Copper losses in motor None of these Supply frequency Supply voltage Copper losses in motor None of these Supply frequency Supply voltage 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 Smaller Any of the listed here Bigger Same Smaller Any of the listed here Bigger Same 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 ______ 40% 90% None of the listed here 65% 40% 90% None of the listed here 65% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS