Question

Which one is a better fuel, coal or coke?

• A. Coke is a better fuel because coke produces more heat on burning as compared to coal
• B. Coal is a better fuel because it produces more heat on burning as compared to coke
• C. Both produce same amount of heat on burning.
• D. None of these

Answer 1

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

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 bunt, coke produces more heat.