EXAMIANS
Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the
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Fuel consumption in coke making can be reduced by
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Bulk density of pulverised coal may be about __________ kg/m³.
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Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³.
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Which of the following is not applicable to fluidised bed combustion of coal?
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Main use of soft coke is as __________ fuel.
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Dry air required to burn 1 kg of carbon completely may be around __________ kg.
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Fusion point of coal ash increases with increase in its __________ content.
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Which of the following has the highest flame speed?
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Coke oven gas is stripped of its H₂S and mercaptans content by
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