Pick out the wrong statement ?

A. Coals are divided in four species according to their carbon content in Seylors classification

B. Carburetted water gas is also called blue gas

C. Carbonisation time in a by-product coke oven is about 16 hours

D. Gross and net calorific value of a fuel is the same, if it does not contain hydrogen or

E. rocarbons

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.