Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by 1/S 1-S S/1-S S 1/S 1-S S/1-S S 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 ______ 65% 40% 90% None of the listed here 65% 40% 90% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a double squirrel cage induction motor, the outer cage winding has _______ None of the listed here Low resistance High inductance High resistance None of the listed here Low resistance High inductance High resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Bigger Any of the listed here Same Smaller Bigger Any of the listed here Same Smaller ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Cast iron Stainless steel Carbon steel High speed steel Cast iron Stainless steel Carbon steel ANSWER DOWNLOAD EXAMIANS APP