Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 0.5 A M = 1.8 A M = 1.1 A M = A M = 0.5 A M = 1.8 A M = 1.1 A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CH₄ H₂ & CO H₂ & CO₂ CH₄ & CO H₂ & CH₄ H₂ & CO H₂ & CO₂ CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Gas yield is less Ignition temperature of coke produced is less Aromatic content of tar produced is more Tar yield is more Gas yield is less Ignition temperature of coke produced is less Aromatic content of tar produced is more Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation Inadequate ventilation Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation Inadequate ventilation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Vitrain Fussain Clarain Durain Vitrain Fussain Clarain Durain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Remains same Either A or B, depends on other factors Increases Decreases Remains same Either A or B, depends on other factors Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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