Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. None of the listed here Two times Equal to Four times None of the listed here Two times Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Slightly more than full load torque Negligible Low Same as full load torque Slightly more than full load torque Negligible Low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ 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 Provides fine speed control Has simple and rugged construction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Below synchronous speed Above synchronous speed Any of the above Synchronous speed Below synchronous speed Above synchronous speed Any of the above ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased Windage losses will be more Copper loss will reduce The power factor will be low Bearing friction will reduce Windage losses will be more Copper loss will reduce The power factor will be low Bearing friction will reduce ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ (1+S) × rotor input (S-1) × rotor input (1-S) × rotor input S × rotor input (1+S) × rotor input (S-1) × rotor input (1-S) × rotor input S × rotor input ANSWER DOWNLOAD EXAMIANS APP
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