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 None of the listed here Minimum at no load Remains the same at all loads Maximum at no load None of the listed here Minimum at no load 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 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 lagging Unity 0.5 leading 0.2 leading 0.2 lagging Unity 0.5 leading 0.2 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. High reactance Large slip Low resistance high resistance High reactance Large slip Low resistance high resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 2880 rpm 1440 rpm 1000 rpm 730 rpm 2880 rpm 1440 rpm 1000 rpm 730 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to Variable speed motors Low horsepower motors High horsepower motors High speed motors Variable speed motors Low horsepower motors High horsepower motors High speed motors ANSWER DOWNLOAD EXAMIANS APP
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