Three Phase Induction Motors The maximum torque in an induction motor depends on Frequency Rotor inductive reactance All of the listed here Square of supply voltage Frequency Rotor inductive reactance All of the listed here Square of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Increased under running conditions Decreased at starting Increased at starting None of the listed here Increased under running conditions Decreased at starting Increased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Aluminium Bronze Silicon steel Cast iron Aluminium Bronze Silicon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have The same phase as the rotor e.m.f. High value for the satisfactory speed control Zero frequency The same frequency as the slip frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control Zero frequency The same frequency as the slip frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS