Three Phase Induction Motors The rotor of induction motor Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux None of the listed here Insufficient data Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux None of the listed here Insufficient data ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is K × torque with direct switching k2/torque with direct switching K2 × torque with direct switching k/torque with direct switching K × torque with direct switching k2/torque with direct switching K2 × torque with direct switching k/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ 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 Provides high starting torque None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load None of the listed here Open circuited Short-circuited Supplying a variable resistive load None of the listed here Open circuited Short-circuited 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 × rotor input (S-1) × rotor input (1-S) × rotor input (1+S) × rotor input S × rotor input (S-1) × rotor input (1-S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased under running conditions Increased at starting None of the listed here Decreased at starting Increased under running conditions Increased at starting None of the listed here Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS