Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will burn The motor will run in reverse direction The motor will not run The motor will run at reduced speed The motor will burn The motor will run in reverse direction The motor will not run The motor will run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Slightly more than full load torque Low Negligible Same as full load torque Slightly more than full load torque Low Negligible 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 S × rotor input (1+S) × rotor input None of the listed here (1-S) × rotor input S × rotor input (1+S) × rotor input None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 1 cm to 2 cm 2 cm to 4 cm 0.4 mm to 4 mm 4 cm to 6 cm 1 cm to 2 cm 2 cm to 4 cm 0.4 mm to 4 mm 4 cm to 6 cm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Decreased at starting None of the listed here Increased at starting Increased under running conditions Decreased at starting None of the listed here Increased at starting Increased under running conditions 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 _______ Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times Increased four times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
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