Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually Two None One Three Two None One Three ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 95 to 98 % 99% 80 to 90% 60 to 90% 95 to 98 % 99% 80 to 90% 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. 15 to 20 % 10 to 15% 5% 30 to 50% 15 to 20 % 10 to 15% 5% 30 to 50% 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 Absent Infinity Large Small Absent Infinity Large Small 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 500 W 980 W 200 W 20 W 500 W 980 W 200 W 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 Bigger Any of the listed here Smaller Same Bigger Any of the listed here Smaller Same ANSWER DOWNLOAD EXAMIANS APP
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