Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Large As small as possible 1 Very large Large As small as possible 1 Very large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Aluminium Copper Phospor bronze Carbon Aluminium Copper Phospor bronze Carbon ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on None of these Copper losses in motor Supply frequency Supply voltage None of these Copper losses in motor Supply frequency Supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0 1 0.1 0.5 0 1 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor emf Rotor current Rotor power factor Shaft diameter Rotor emf Rotor current Rotor power factor Shaft diameter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1000 rpm 730 rpm 1440 rpm 2880 rpm 1000 rpm 730 rpm 1440 rpm 2880 rpm ANSWER DOWNLOAD EXAMIANS APP