Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Shift conversion Neumann reversal Reduction Boudouard Shift conversion Neumann reversal Reduction Boudouard ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the High sulphur content in the fuel Lack of thorough mixing of fuel with air Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel High sulphur content in the fuel Lack of thorough mixing of fuel with air Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Natural gas Blast furnace gas None of these Coke oven gas Natural gas Blast furnace gas None of these Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Sensible and latent Sensible None of these Latent Sensible and latent Sensible None of these Latent ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Weathering properties Abradability Grindability Caking and swelling properties Weathering properties Abradability Grindability Caking and swelling properties ANSWER DOWNLOAD EXAMIANS APP