EXAMIANS
Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as
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Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal.
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Water gas constitutes mainly of
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Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called
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Preheating of combustion air is done to
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Laboratory gas is obtained by the cracking of
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In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.
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In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the
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Calorific value of
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Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature?
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