Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Independent of None of the listed here Directly proportional to sqaure of Directly proportional to Independent of None of the listed here Directly proportional to sqaure of Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 0 0.1 1 0.5 0 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency None of these Supply voltage Copper losses in motor Supply frequency None of these Supply voltage Copper losses in motor 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. The same frequency as the slip frequency High value for the satisfactory speed control Zero frequency The same phase as the rotor e.m.f. The same frequency as the slip frequency High value for the satisfactory speed control Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Rotating Steady Alternating None of the listed here Rotating Steady Alternating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Series Slip ring Commutator Synchronous Series Slip ring Commutator Synchronous ANSWER DOWNLOAD EXAMIANS APP