Q. Quantity of coke produced from metallurgical coal may be around __________ percent.

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Q. Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis.

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Q. Out of the following fuels, the difference between gross and net calorific value will be minimum in case of

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Q. Fuel for a fast breeder nuclear reactor is

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Q. Which of the following gaseous fuels is likely to have the highest gross calorific value?

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Q. Which of the following is not a by-product fuel?

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Q. Lignite is

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Q. Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.

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Q. Naphthalene recovered from coke oven gas is used

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Q. Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called

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Q. Which of the following is not applicable to fluidised bed combustion of coal ?

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Q. Coal containing large quantity of __________ are difficult to wash.

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Q. Which of the following is not a micro component present in coal ?

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Q. Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.

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Q. A coal containing high amount of volatile matter will have

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Q. The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen.

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Q. Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)?

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Q. Which of the following is coking ?

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Q. Undercharging of coal in the by-product coke ovens results in

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Q. During the carbonisation of coal

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