Most Important 50-MCQ on DC Machine for all AE/JE Electrical Exam
1. If residual magnetism of a shunt generator is destroyed accidentally, it may be restored by connecting its shunt field (a) To earth(b) to an alternator(c) in reverse(d) to a battery Ans: d2.The sole purpose of commutator in a dc generator is to (a) Increase output voltage(b) reduce sparking at brushes(c) provide smoother output(d) convert the induced … Read more