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Which one is a better fuel, coal, or coke?

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Coke is a better fuel because coke produces more heat on burning as compared to coal

Coal is a better fuel because coal does not produce more heat on burning as compared to coke

Both are of equal efficiency

None of these

answer is A.

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Detailed Solution

Coke is a better fuel because coke produces more heat on burning as compared to coal. Coke has a higher calorific value than coal. When equal masses of coke and coal are burnt, coke produces more heat.

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