Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Density Porosity Electrical resistivity None of these Density Porosity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as SO₂ N₂ O₂ CO SO₂ N₂ O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Require less time of carbonisation Produce smaller coke All of these Produce stronger coke Require less time of carbonisation Produce smaller coke All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 77 21 29 79 77 21 29 79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Volatile matter in coke is zero Yield of tar is about 3% of dry coal Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Yield of tar is about 3% of dry coal Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Comes from protein in parent vegetable matter Is present upto 1-2% Is recovered as ammonia during its carbonisation All of these Comes from protein in parent vegetable matter Is present upto 1-2% Is recovered as ammonia during its carbonisation All of these ANSWER DOWNLOAD EXAMIANS APP
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