Three Phase Induction Motors The crawling in an induction motor is caused by High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Number of poles Supply frequency Magnitude of supply voltage Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage Phase sequence of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.2 Practically zero 0.5 1 0.2 Practically zero 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with None of these Squirrel cage as well as slip ring induction motor Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor None of these Squirrel cage as well as slip ring induction motor Slip ring motor only but not with squirrel cage induction motor Squirrel cage induction motor only but not with slip ring motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to Low horsepower motors High horsepower motors High speed motors Variable speed motors Low horsepower motors High horsepower motors High speed motors Variable speed motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots Proper ventilation Using DOL starter Auto transformer starter Having number of rotor slots more or less than the number of stator slots Proper ventilation ANSWER DOWNLOAD EXAMIANS APP
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