Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage 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 All of these Stator resistance test Blocked rotor test No-load test All of these Stator resistance test Blocked rotor test No-load test ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on Both supply frequency and number of poles The number of its poles The supply frequency The maximum flux/poles Both supply frequency and number of poles The number of its poles The supply frequency The maximum flux/poles 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 four times Decreased four times Decreased two times Increased two times Increased four times Decreased four times Decreased two times Increased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S S 1/S 1-S S/1-S S 1/S 1-S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ None of the listed here External resistance can be inserted in the rotor circuit It is inexpensive It requires less maintenance None of the listed here External resistance can be inserted in the rotor circuit It is inexpensive It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP