11. Percentage of carbon monoxide in blast furnace gas may be around
12. About __________ Nm3 of air will be required for the complete combustion of 2 Nm3 of CO.
13. Lignite is
14. Which of the following is called "blue gas"?
15. Low temperature carbonisation
16. Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of
17. __________ prohibits the use of alcohols directly in petrol engines.
18. Gross and net calorific value of a fuel will be the same
19. Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
20. Desirable "Micum Index" values of metal-lurical coke are
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