1. Stack heat losses can be minimised by
2. The gas which contributes maximum to the heating value of natural gas is
3. Natural draft created by the chimney depends upon
4. The cooling medium used in dry quenching of coke is
5. Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
6. L.D. converter gas (produced in steel plant) comprises mainly of
7. Which of the following fuel gases is heavier than air?
8. Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.
9. Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
10. As the equilibrium moisture content of the coal increases, its
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