In general, the limit of inflammability/explosion limit of fuel gases is widened by the__________________?

A. Increase in temperature (i.e. preheating)

B. Use of pure oxygen for combustion instead of air

C. Increase in gas pressure

D. All A., B. & C.
Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.