Pick out the wrong statement.:

Carburetted water gas is also called blue gas

Answer

Coals are divided in four species according to their carbon content in Seylor's classification

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

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

Answer: Option A

Answer: Option A

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