Q. Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.

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Q. The internal energy of the combustion products is __________ compared to that of reactants.

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Q. Which of the following is not a product of tar distillation ?

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Q. Adiabatic flame temperature of a fuel is dependent on the initial temperature of

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Q. Which of the following gaseous fuels has the lowest calorific value ?

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Q. Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?

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Q. Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F.

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Q. In high temperature carbonisation of coal compared to low temperature carbonisation

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Q. A coal having high amount of volatile matter

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Q. Carbon Content by weight in air dried wood may be about __________ percent.

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Q. Which of the following accentuates clinker-ing trouble on furnace grate burning coal ?

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Q. Natural draught produced by a chimney depends upon the

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Q. Gross & net calorific value is the same for

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Q. Junker's calorimeter is used to determine the calorific value of

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Q. Combustion reaction of fuels is a/an __________ reaction.

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Q. Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its

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Q. Which of the following constituents of coal is the most important in the production of coke?

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Q. High temperature in gasification of coal favours

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Q. When incomplete combustion loss is high, the flue gas analysis shows large amount of

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Q. The gas which contributes maximum to the heating value of natural gas is

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