Three Phase Induction Motors The advantage of wound rotor motor is that _______ None of the listed here It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit None of the listed here It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit 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 two times Decreased four times Increased two times Increased four times Decreased two times Decreased four times Increased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Self induction Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from Blocked rotor test All of these No-load test Stator resistance test Blocked rotor test All of these No-load test Stator resistance test 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 _____ 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP