Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Commutator Series Slip ring Synchronous Commutator Series Slip ring Synchronous ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will run at reduced speed The motor will not run The motor will run in reverse direction The motor will burn The motor will run at reduced speed The motor will not run The motor will run in reverse direction The motor will burn ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Three phase transformer Dc series motors Induction motors Compound generators Three phase transformer Dc series motors Induction motors Compound generators ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have 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 The same phase as the rotor e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1000 rpm 2880 rpm 1440 rpm 730 rpm 1000 rpm 2880 rpm 1440 rpm 730 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ None of the listed here 1-S S-1 1+S None of the listed here 1-S S-1 1+S ANSWER DOWNLOAD EXAMIANS APP
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