EXAMIANS
A coal having higher volatile matter content, has lower
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Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker.
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Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.
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A coal with high ash content
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Undercharging of coal in the by-product coke ovens results in
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Which of the following is not a by-product recovered in a high temperature coal carbonisation plant?
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Sulphur in metallurgical coal
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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.
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A coal containing very high percentage of durain is called __________ coal.
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With increase in calorific value of fuels, their adiabatic flame temperatures
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