Q. A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that

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Q. 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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Q. Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.

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Q. Pick out the wrong statement.

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Q. With increase in C/H ratio of a fuel, the dew point of flue gases

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Q. Orsat apparatus

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Q. In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by

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Q. Caking index of the coal blend used for the manufacture of metallurgical coke should be around

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Q. With increase in moisture content of coal, its

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Q. Proximate analysis of coal determines its __________ content.

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Q. Bunsen burner is an example of a/an __________ burner.

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Q. Cannel coal and boghead coal are the examples of

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Q. Which of the following combustibles is absent in blast furnace gas ?

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Q. The calorific value of producer gas is around __________ kcal/Nm³

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Q. About __________ Nm³ of air will be required for the complete combustion of 2 Nm³ of CO.

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Q. Coking time in beehive coke oven is about

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Q. "Overfire burning" in a furnace is a phenomenon characterised by the

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

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Q. Fuel consumption in coke making can be reduced by

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Q. During combustion of coal on grate, clinker formation is increased by the

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