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3079. Coking coals are invariably

September 7, 2025 by Admin

Lignites

Bituminous coals

Semi-anthracites

Anthracites

✅ The correct answer is option B.

Categories Chemical Engineering, Engineering, Fuel and Combustion MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Fuel and Combustion MCQs

3075. Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use.

3084. Which is the most matured coal?

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