Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of None of these Ammonia Tar Benzol None of these Ammonia Tar Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Friability & oxygen content Caking index Yield of carbonised products Calorific value Friability & oxygen content Caking index Yield of carbonised products Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Kindling temperature Fire point Burning temperature Smoke point Kindling temperature Fire point Burning temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Controls its ash fusibility and increases its calorific value Improves its coking properties All of these Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value Improves its coking properties All of these Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can't be pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can't be pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can be easily pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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