Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Colour of %of CO₂ in Temperature of % of O₂in Colour of %of CO₂ in Temperature of % of O₂in ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal Peat Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & slow Slow & high Fast & high Slow & low Fast & slow Slow & high Fast & high Slow & low ANSWER DOWNLOAD EXAMIANS APP
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