Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 21 29 77 79 21 29 77 79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% < 37% None of these In between 37 & 71% >71% < 37% None of these In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CH₄ H₂ & CO₂ H₂ & CO CH₄ & CO H₂ & CH₄ H₂ & CO₂ H₂ & CO CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher Sulphur content is lower All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher Sulphur content is lower All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Sub-bituminous Bituminous Semi-anthracite Lignite Sub-bituminous Bituminous Semi-anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
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