Question

Statement: Should coal engines be replaced by electric engines in trains?

Arguments:
I. Yes. Coal engines cause a lot of pollution.
II. Yes. Electric engines are good on performance, easy to operate and low on maintenance.
III. No. India does not produce enough electricity to fulfil its domestic needs also.

• A. All are strong
• B. Only I and II are strong
• C. Only II and III are strong
• D. Only I and III are strong
• E. Only I is strong

Answer 1

The correct option is B Only I and II are strong

Should coal engines be replaced by electric engines in trains?

Coal engines are responsible for creating huge amount of pollution in contrary with electric engines.

Also their performance, operation and maintenance is easy as compared to electric engines.

So, argument I and II seems to be true and III is vague.

Hence, Option B is correct.