Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 29 21 79 77 29 21 79 77 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Either lower or higher, depends on the type of fuel Much higher Much lower Same Either lower or higher, depends on the type of fuel Much higher Much lower Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Aromatic compounds Alphatic compounds Olefins Paraffins Aromatic compounds Alphatic compounds Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Grindability Weathering properties Caking and swelling properties Abradability Grindability Weathering properties Caking and swelling properties Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All of these All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Blast furnace gas and naphtha vapor Coke oven gas and L.P.G Coke oven gas and converter gas F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G Coke oven gas and converter gas F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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