Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Alternating Rotating Steady None of the listed here Alternating Rotating Steady None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Aluminium Copper Phospor bronze Carbon Aluminium Copper Phospor bronze ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Negligible Low Same as full load torque Slightly more than full load torque Negligible Low Same as full load torque Slightly more than full load torque 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 Increased four times Decreased two times Decreased four times Increased two times Increased four times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Any of the above Below synchronous speed Synchronous speed Above synchronous speed Any of the above Below synchronous speed Synchronous speed Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have The same frequency as the slip frequency Zero frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control The same frequency as the slip frequency Zero frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS