Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by High loads Improper design of machine Low voltage supply Harmonics developed in the rotor High loads Improper design of machine Low voltage supply Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input (1-S) × rotor input None of the listed here S × rotor input (1+S) × rotor input (1-S) × rotor input None of the listed here S × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 8 poles 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Uniform torque Greater mechanical strength Less rotor losses None of the listed here Uniform torque Greater mechanical strength Less rotor losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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