Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S S/1-S 1-S S 1/S S/1-S 1-S S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor emf Rotor current Shaft diameter Rotor power factor Rotor emf Rotor current Shaft diameter Rotor power factor ANSWER DOWNLOAD EXAMIANS APP
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 600 rpm 1000 rpm 300 rpm 1200 rpm 600 rpm 1000 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Low Same as full load torque Negligible Slightly more than full load torque Low Same as full load torque Negligible Slightly more than full load torque ANSWER DOWNLOAD EXAMIANS APP