Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Straight line Rectangular parabola Hyperbola Parabola Straight line Rectangular parabola Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Slightly more than full load torque Same as full load torque Negligible Low Slightly more than full load torque Same as full load torque Negligible Low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.5 1 0.2 Practically zero 0.5 1 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 The same phase as the rotor e.m.f. Zero frequency High value for the satisfactory speed control The same frequency as the slip frequency The same phase as the rotor e.m.f. Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Stainless steel Carbon steel Cast iron High speed steel Stainless steel Carbon steel Cast iron High speed steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ None of the listed here Lower winding is more effective Lower cage winding has low reactance Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance Outer cage winding has good pf ANSWER DOWNLOAD EXAMIANS APP
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