Q. Volatile matter content in coking coal may be about __________ percent.

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Q. The main function of primary air in pulverised coal fired burner is to

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Q. __________ is used as jet engine fuel.

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Q. The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal.

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Q. Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C.

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Q. The catalyst used in shift converter is

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Q. The optimum percentage of excess air for combustion depends upon the __________ of the fuel.

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Q. Fuel for a nuclear reactor (thermal) is

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Q. Calorific value of

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Q. Which of the following would require least amount of secondary air for combustion ?

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Q. 'Fat coals' are those coals which have very high

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Q. Highly reactive coke have lower

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Q. A coal with high ash content

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Q. The shift conversion reaction taking place during water gas manufacture is given by

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Q. Which of the following is unsuitable fuel for producer gas manufacture ?

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Q. A good metallurgical coke

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Q. The main advantage of forced draft over natural draft is that

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Q. Benzene is used

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Q. Fischer-Tropsch method aims at the

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Q. To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in

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