Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Greater mechanical strength Uniform torque None of the listed here Less rotor losses Greater mechanical strength Uniform torque None of the listed here Less rotor losses ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Self induction Mutual induction Hysteresis Eddy currents Self induction Mutual induction Hysteresis Eddy currents ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.5 leading Unity 0.2 lagging 0.2 leading 0.5 leading Unity 0.2 lagging 0.2 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Three phase transformer Induction motors Dc series motors Compound generators Three phase transformer Induction motors Dc series motors Compound generators 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 High value for the satisfactory speed control The same phase as the rotor e.m.f. Zero frequency The same frequency as the slip frequency High value for the satisfactory speed control The same phase as the rotor e.m.f. Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Open circuited Supplying a variable resistive load Short circuited None of the listed here Open circuited Supplying a variable resistive load Short circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP