Q. Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.

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Q. Which of the following is not endothermic?

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Q. High sulphur content in a fuel __________ of the flue gases.

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Q. Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.

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Q. Fuel combustion is never cent per cent efficient due to

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Q. Which of the following fuels is the best for burning on chain grate stoker ?

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Q. The cuprous chloride used in orsat apparatus can absorb

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Q. Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher

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Q. Mott and Wheeler test is conducted on coke to find its

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Q. The pyragallol solution used in orsat apparatus can absorb

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Q. Percentage of nitrogen in blast furnace gas may be around

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Q. Very __________ coals are completely devoid of cokability i.e, it is non coking.

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Q. Nitrogen in coal

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Q. Advantages of fluidised bed combustion are

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Q. The fuel ratio of a coal is

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Q. Which will have the least volatile matter and hence will be the most difficult to ignite?

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Q. Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent.

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Q. As time passes, the calorific value of stored coal

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Q. Stack (chimney) height in a big thermal power plant is dictated by the

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Q. A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon

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