40 TOP Fuels and Combustion Online Test – Multiple Choice Questions and Answers

1. The heat of combustion of a fuel


2. Proximate analysis of coal determines its __________ content


3. “Overfire burning” in a furnace is a phenomenon characterised by the


4. With increase in moisture content of coal, its


5. In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by


6. Yield of pitch from distillation of high temperature tar is around __________ percent


7. ‘Fat’ coal means a coal having


8. Abrasion index of blast furnace coke should be around __________ percent


9. Which of the following petrographic constituents of coal is non-coking ?


10. __________ has the widest inflammability limit (explosion limit) of all the gases


Question 1 of 10

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