Three Phase Induction Motors The no load speed of an induction motor depends on The supply frequency The maximum flux/poles The number of its poles Both supply frequency and number of poles The supply frequency The maximum flux/poles The number of its poles Both supply frequency and number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 1.5 % Less than 1% 4% 2% 1.5 % Less than 1% 4% 2% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor Slip ring motor only but not with squirrel cage induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.5 1 Practically zero 0.2 0.5 1 Practically zero 0.2 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance None of the listed here Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here Increasing rotor resistance Increasing rotor reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Starting only None of the listed here Both starting and operation Operation only Starting only None of the listed here Both starting and operation Operation only ANSWER DOWNLOAD EXAMIANS APP
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