Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Domestic ovens Cupola in foundaries Iron blast furnace Sinter making Domestic ovens Cupola in foundaries Iron blast furnace Sinter making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Yield of carbonised products Caking index Calorific value Friability & oxygen content Yield of carbonised products Caking index Calorific value Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP
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 Ammonia None of these Tar Benzol Ammonia None of these Tar Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Carbonisation Coalification Oxidation Gasification Carbonisation Coalification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Tar Line Pitch Molasses Tar Line Pitch ANSWER DOWNLOAD EXAMIANS APP
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