Three Phase Induction Motors DOL starting of induction motors is usually restricted to High speed motors Variable speed motors Low horsepower motors High horsepower motors High speed motors Variable speed motors Low horsepower motors High horsepower motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing winding resistance Changing number of poles Changing supply frequency Reducing supply voltage Changing winding resistance Changing number of poles Changing supply frequency Reducing supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with zero torque Non self starting Self starting with low torque Self starting with high torque Self starting with zero torque Non self starting Self starting with low torque Self starting with high torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ Practically zero 0.5 1 0.2 Practically zero 0.5 1 0.2 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Bearing friction will reduce The power factor will be low Windage losses will be more Copper loss will reduce Bearing friction will reduce The power factor will be low Windage losses will be more Copper loss will reduce ANSWER DOWNLOAD EXAMIANS APP
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