Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Slightly more than full load torque Same as full load torque Low Negligible Slightly more than full load torque Same as full load torque Low Negligible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually Three Two None One Three Two None One ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on All of the listed here Rotor inductive reactance Frequency Square of supply voltage All of the listed here Rotor inductive reactance Frequency Square of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply Harmonics developed in the rotor High loads Improper design of machine Low voltage supply Harmonics developed in the rotor High loads Improper design of machine ANSWER DOWNLOAD EXAMIANS APP