DC Generator MCQ with Answers

DC Generator MCQ with Answers

21) Why the terminal voltage decreases if load increases in DC shunt generator?

Answer is:

Because of armature reaction effect

22) Which type of DC generator is used for long distance distribution lines?

Answer is:

Cumulative compound generator

23) Which method is used to improve the insulation resistance in DC generator?

Answer is:

Blowing hot air in to the machine during maintenance

24) Which type of D.C Generator works in absence of residual magnetism?

Answer is:

Separately excited generator

25) Which type of D.C generator is used for arc welding?

Answer is:

Differential compound generator

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