Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 2.5 Hz 0.05 Hz 1.5 Hz 5 Hz 2.5 Hz 0.05 Hz 1.5 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Hysteresis Mutual induction Self induction Eddy currents Hysteresis Mutual induction Self induction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to High horsepower motors Variable speed motors High speed motors Low horsepower motors High horsepower motors Variable speed motors High speed motors Low horsepower motors 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 Same Any of the listed here Bigger Smaller Same Any of the listed here Bigger Smaller ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on decreasing Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on decreasing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency Supply voltage None of these Copper losses in motor Supply frequency Supply voltage None of these Copper losses in motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS