Three Phase Induction Motors A 3 phase induction motor is ________ Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Both (A) and (B) Slip ring induction motor Squirrel cage induction motor None of these Both (A) and (B) Slip ring induction motor Squirrel cage induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 1 0.5 0.2 Practically zero 1 0.5 0.2 Practically zero 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 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. ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Induction motors Three phase transformer Compound generators Dc series motors Induction motors Three phase transformer Compound generators Dc series motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ None of the listed here Uniform torque Less rotor losses Greater mechanical strength None of the listed here Uniform torque Less rotor losses Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
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