1. ‘Fat’ coal means a coal having
2. __________ has the widest inflammability limit (explosion limit) of all the gases
3. Proximate analysis of coal determines its __________ content
4. Yield of pitch from distillation of high temperature tar is around __________ percent
5. Which of the following petrographic constituents of coal is non-coking ?
6. With increase in moisture content of coal, its
7. “Overfire burning” in a furnace is a phenomenon characterised by the
8. In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by
9. Abrasion index of blast furnace coke should be around __________ percent
10. The heat of combustion of a fuel
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