Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 lagging 0.5 leading Unity 0.2 leading 0.2 lagging 0.5 leading Unity 0.2 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Two times Four times None of the listed here Equal to Two times Four times None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Both squirrel cage and slip ring Squirrel cage induction motor None of the listed here Slip ring induction motor Both squirrel cage and slip ring Squirrel cage induction motor None of the listed here Slip ring induction 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? 730 rpm 1000 rpm 2880 rpm 1440 rpm 730 rpm 1000 rpm 2880 rpm 1440 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply Improper design of machine Harmonics developed in the rotor High loads Low voltage supply Improper design of machine Harmonics developed in the rotor High loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 0.04 % 14% 0.4 % 4 % 0.04 % 14% 0.4 % 4 % ANSWER DOWNLOAD EXAMIANS APP