Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Remains same May increase or decrease depending on the type of fuel Decreases Increases Remains same May increase or decrease depending on the type of fuel Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Six Four Five Two Six Four Five Two ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of a gas of composition CO₂ = 20%, H₂ = 50%, CH₄ = 30%, is y. If the composition of gas is changed to H₂ = 50%, CH₄ = 30%, CO₂ = 10%, N₂ = 10%, then the calorifice value will be 0.95 y Y 1.8 y 1.05 y 0.95 y Y 1.8 y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing O₂ CO₂ CO H₂O O₂ CO₂ CO H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Carbonisation None of these Gasification Hydrogenation Carbonisation None of these Gasification Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Reduces its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
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