Page No. 320
Which of the following would require least amount of secondary air for combustion ?
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Calorific value of blast furnace gas is around _____________ KCal/Nm3?
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Nitrogen in coal_________________?
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The gas which contributes maximum to the heating value of natural gas is __________________?
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Washing of coal decreases its_________________?
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In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?
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_____________ of the coal is the basis for Seylor’s coal classification?
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