Three Phase Induction Motors A 3 phase induction motor is ________ Very costly Essentially a constant speed motor Not easily maintainable A variable speed motor Very costly Essentially a constant speed motor Not easily maintainable A variable speed motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.2 0.5 Practically zero 1 0.2 0.5 Practically zero 1 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 Magnitude of supply voltage Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with 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 Slip ring motor only but not with squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Phospor bronze Aluminium Carbon Copper Phospor bronze Aluminium Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is Practically zero Small None of the listed here Large Practically zero Small None of the listed here Large ANSWER DOWNLOAD EXAMIANS APP
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