Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Carbon steel Stainless steel Cast iron High speed steel Carbon steel Stainless steel Cast iron 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 None of the listed here Greater mechanical strength Less rotor losses Uniform torque None of the listed here Greater mechanical strength Less rotor losses ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 980 W 200 W 500 W 20 W 980 W 200 W 500 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides fine speed control None of the listed here Has simple and rugged construction Provides high starting torque Provides fine speed control None of the listed here Has simple and rugged construction Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ None of the listed here Even number Prime number Equal to stator poles None of the listed here Even number Prime number Equal to stator poles 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 S × rotor input (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 ANSWER DOWNLOAD EXAMIANS APP
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