Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at No load Starting Half full load Full load No load Starting Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Decreased at starting Increased under running conditions Increased at starting None of the listed here Decreased at starting Increased under running conditions Increased at starting None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 1.5 Hz 0.05 Hz 2.5 Hz 5 Hz 1.5 Hz 0.05 Hz 2.5 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 600 rpm 1200 rpm 1000 rpm 300 rpm 600 rpm 1200 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Cast iron Carbon steel Stainless steel High speed steel Cast iron Carbon steel Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during None of the listed here Starting only Operation only Both starting and operation None of the listed here Starting only Operation only Both starting and operation ANSWER DOWNLOAD EXAMIANS APP
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