Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 400 rpm 1600 rpm 2400 rpm 1200 rpm 400 rpm 1600 rpm 2400 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Straight line Rectangular parabola Parabola Hyperbola Straight line Rectangular parabola Parabola Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Compound generators Induction motors Dc series motors Three phase transformer Compound generators Induction motors Dc series motors Three phase transformer ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor 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? 1440 rpm 730 rpm 1000 rpm 2880 rpm 1440 rpm 730 rpm 1000 rpm 2880 rpm 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 None of the listed here 50 Hz 25 Hz 60 Hz None of the listed here 50 Hz ANSWER DOWNLOAD EXAMIANS APP