Three Phase Induction Motors A 3 phase induction motor is ________ 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 Very costly ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Induction motors Dc series motors Three phase transformer Compound generators Induction motors Dc series motors Three phase transformer Compound generators ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Shaft diameter Rotor power factor Rotor emf Rotor current Shaft diameter Rotor power factor Rotor emf Rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 2 cm to 4 cm 1 cm to 2 cm 4 cm to 6 cm 0.4 mm to 4 mm 2 cm to 4 cm 1 cm to 2 cm 4 cm to 6 cm 0.4 mm to 4 mm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Hysteresis Eddy currents Self induction Mutual induction Hysteresis Eddy currents Self induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on decreasing Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on increasing even after full load Its power factor goes on decreasing Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on increasing even after full load ANSWER DOWNLOAD EXAMIANS APP