Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Reducing supply voltage Changing number of poles Changing supply frequency Changing winding resistance Reducing supply voltage Changing number of poles Changing supply frequency Changing winding resistance 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 The induction motor has lagging power factor during None of the listed here Starting only Both starting and operation Operation only None of the listed here Starting only Both starting and operation Operation only ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0 1 0.5 0.1 0 1 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ None of the listed here 50 Hz 60 Hz 25 Hz None of the listed here 50 Hz 60 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ Practically zero 0.2 1 0.5 Practically zero 0.2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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