Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Aluminium Bronze Cast iron Silicon steel Aluminium Bronze Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0.1 0.5 0 1 0.1 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by High loads Low voltage supply Improper design of machine Harmonics developed in the rotor High loads Low voltage supply Improper design of machine Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Remains unchanged None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High rotor resistance is required during running High starting torque is required Speed control is required Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased four times Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
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