Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Rotor current remains same Rotor current becomes zero Decreases the rotor current Increases the rotor current Rotor current remains same Rotor current becomes zero Decreases the rotor current Increases the rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with high torque Self starting with low torque Non self starting Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting Self starting with zero torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to High speed motors Variable speed motors High horsepower motors Low horsepower motors High speed motors Variable speed motors High horsepower motors Low horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Short-circuited Supplying a variable resistive load Open circuited None of the listed here Short-circuited Supplying a variable resistive load Open circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on None of these Supply frequency Supply voltage Copper losses in motor None of these Supply frequency Supply voltage Copper losses in motor ANSWER DOWNLOAD EXAMIANS APP
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