Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ None of the listed here 40% 65% 90% None of the listed here 40% 65% 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Both (A) and (B) Squirrel cage induction motor None of these Slip ring induction motor Both (A) and (B) Squirrel cage induction motor None of these Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Cast iron Carbon steel Stainless steel High speed steel Cast iron Carbon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to All of these Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance All of these Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Prime number Equal to stator poles None of the listed here Even number Prime number Equal to stator poles None of the listed here Even number ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from Stator resistance test All of these No-load test Blocked rotor test Stator resistance test All of these No-load test Blocked rotor test ANSWER DOWNLOAD EXAMIANS APP
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