11. Ignition temperature of a fuel in air is __________ that in pure oxygen.
12. The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be
13. High sulphur (4-6%) coal in India are found in
14. Which of the following is not used as a binder in coal briquetting?
15. A coal with high ash content
16. Artificial draught produced by a fan can be controlled by the
17. A good metallurgical coke
18. Fuel for a nuclear reactor (thermal) is
19. Pick out the wrong statement.
20. Very __________ coals are completely devoid of cokability i.e, it is non coking.
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