Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased at starting Decreased at starting None of the listed here Increased under running conditions Increased at starting Decreased at starting None of the listed here Increased under running conditions ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1200 rpm 600 rpm 1000 rpm 300 rpm 1200 rpm 600 rpm 1000 rpm 300 rpm 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 _______ Decreased four times Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at No load Starting Full load Half full load No load Starting Full load Half full load 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 Negligible Low Same as full load torque Slightly more than full load torque Negligible Low ANSWER DOWNLOAD EXAMIANS APP