Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because __________________?

A. It reduces its flame temperature tremendously

B. It reduces its calorific value tremendously

C. The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot

D. There are chances of explosion during preheating

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.