Three Phase Induction Motors DOL starting of induction motors is usually restricted to Low horsepower motors High speed motors Variable speed motors High horsepower motors Low horsepower motors High speed motors Variable speed motors High horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ 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 Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input S × rotor input (1-S) × rotor input None of the listed here (1+S) × rotor input S × rotor input (1-S) × rotor input None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S 1/S S/1-S 1-S S 1/S S/1-S 1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Squirrel cage induction motor Slip ring induction motor None of the listed here Both squirrel cage and slip ring Squirrel cage induction motor Slip ring induction motor None of the listed here Both squirrel cage and slip ring ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Remains the same at all loads Maximum at no load Minimum at no load None of the listed here Remains the same at all loads Maximum at no load Minimum at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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