Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in large heaps Absence of porous or friable particles Storage in compressed piles All of these Storage in large heaps Absence of porous or friable particles Storage in compressed piles All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Increases its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Increases its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Peat Anthracite Lignite Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Mineral matter content Ash content Both B and C Caking index Mineral matter content Ash content Both B and C Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 27.6 23 42.9 47.3 27.6 23 42.9 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less ANSWER DOWNLOAD EXAMIANS APP
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