Three Phase Induction Motors A 3 phase induction motor is ________ Essentially a constant speed motor A variable speed motor Very costly Not easily maintainable Essentially a constant speed motor A variable speed motor Very costly Not easily maintainable ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ 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 Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S 1+S None of the listed here S-1 1-S 1+S None of the listed here S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of None of these Squirrel cage induction motor Both (A) and (B) Slip ring induction motor None of these Squirrel cage induction motor Both (A) and (B) Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 leading Unity 0.2 lagging 0.5 leading 0.2 leading Unity 0.2 lagging 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Slightly more than full load torque Low Negligible Same as full load torque Slightly more than full load torque Low Negligible Same as full load torque ANSWER DOWNLOAD EXAMIANS APP