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 Magnitude of supply voltage Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. One Three Four Two One Three Four Two ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible Very large Large 1 As small as possible Very large Large 1 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 _______ 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 None of the listed here It is inexpensive ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. High reactance high resistance Low resistance Large slip High reactance high resistance Low resistance Large slip ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS