Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually Two One Three None Two One Three None ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with zero torque Self starting with high torque Non self starting Self starting with low torque Self starting with zero torque Self starting with high torque Non self starting 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% 65% 90% None of the listed here 40% 65% 90% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Bronze Cast iron Aluminium Silicon steel Bronze Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will run at reduced speed The motor will not run The motor will burn The motor will run in reverse direction The motor will run at reduced speed The motor will not run The motor will burn The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP