Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage as well as slip ring induction motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ A variable speed motor Not easily maintainable Very costly Essentially a constant speed motor A variable speed motor Not easily maintainable Very costly Essentially a constant speed motor 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. Equal to Four times Two times None of the listed here Equal to Four times Two times None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Aluminium Phospor bronze Copper Carbon Aluminium Phospor bronze Copper ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Both starting and operation None of the listed here Starting only Operation only Both starting and operation None of the listed here Starting only Operation only ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 90% 65% None of the listed here 40% 90% 65% None of the listed here 40% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS