Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 5% 30 to 50% 10 to 15% 15 to 20 % 5% 30 to 50% 10 to 15% 15 to 20 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz 60 Hz 50 Hz None of the listed here 25 Hz 60 Hz 50 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Less rotor losses Greater mechanical strength Uniform torque None of the listed here Less rotor losses Greater mechanical strength Uniform torque None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will burn The motor will not run The motor will run at reduced speed The motor will run in reverse direction The motor will burn The motor will not run The motor will run at reduced speed The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Flexible Stiff Hollow Any of the listed here Flexible Stiff Hollow Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 80 to 90% 95 to 98 % 99% 60 to 90% 80 to 90% 95 to 98 % 99% ANSWER DOWNLOAD EXAMIANS APP
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