Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque None of the listed here Has simple and rugged construction Provides fine speed control Provides high starting torque None of the listed here Has simple and rugged construction Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Rotor leakage reactance Stator reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance Stator reactance All of these The reactive lagging magnetizing current necessary to generate the magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Squirrel cage induction motor None of these Slip ring induction motor Both (A) and (B) Squirrel cage induction motor None of these Slip ring induction motor Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. None of the listed here Star Partly star and partly delta Delta None of the listed here Star Partly star and partly delta Delta ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Phase sequence of supply voltage Supply frequency Number of poles Magnitude of supply voltage Phase sequence of supply voltage Supply frequency Number of poles Magnitude of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
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