Q. Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.

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Q. Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.

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Q. Which of the following is used for making the explosive 'TNT' ?

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Q. Which of the following is not used as a binder in coal briquetting ?

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Q. Size of blast furnace grade coke is __________ mm.

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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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