Three Phase Induction Motors A 3 phase induction motor is ________ Not easily maintainable Very costly A variable speed motor Essentially a constant speed motor Not easily maintainable Very costly A variable speed motor Essentially a constant speed motor 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 Phase sequence of supply voltage Magnitude of supply voltage Supply frequency Number of poles Phase sequence of supply voltage Magnitude of supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides fine speed control Has simple and rugged construction None of the listed here Provides high starting torque Provides fine speed control Has simple and rugged construction None of the listed here Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Stainless steel Carbon steel Cast iron High speed steel Stainless steel Carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Remains the same at all loads None of the listed here Minimum at no load Maximum at no load Remains the same at all loads None of the listed here Minimum at no load Maximum at no load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is None of the listed here Practically zero Small Large None of the listed here Practically zero Small Large ANSWER DOWNLOAD EXAMIANS APP
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