Chemical Engineering - Fuels and Combustion - Discussion


Pick out the wrong statement.

[A]. Indian coals on an average contain 25-30% ash as against 10-12% ash in imported coking coal.
[B]. Ammonia is recovered in the form of ammonium sulphate in direct process of by-product recovery.
[C]. A high swelling index number of coking coal indicates poor caking properties of coal.
[D]. Wash oil is used for scrubbing benzol from coke oven gas.

Answer: Option C


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