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Chemical Engineering · all questions

Fuels And Combustion
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Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in

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With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases.

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Assam coals suffers mainly from the disadvantage of high __________ content.

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Incomplete combustion of a fuel is characterised by the high __________ in the flue gas.

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Cannel coal and boghead coal are the examples of

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The calorific value is the highest out of the following for

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Which of the following is coking?

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Safe condition for storage of high V.M. bituminous coal is that

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A coal having high volatile matter content will

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Hard coke is manufactured from

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Hard pitch is used for making

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Traces of tar fog present in the coke oven gas is removed by

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Which of the following has the highest heat of combustion?

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Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction?

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Overfire burning in a furnace is a phenomenon characterised by the

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Which of the following has the highest theoretical flame temperature ?

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Fischer-Tropsch method aims at the

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The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

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A coal having high amount of volatile matter

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High ash coals

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