Fuels and Combustion Producer gas comprises mainly of CO & H₂ CO₂ & H₂ CO & N₂ CO₂ & N₂ CO & H₂ CO₂ & H₂ CO & N₂ CO₂ & N₂ 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 1.05 y 0.95 y Y 1.8 y 1.05 y 0.95 y Y 1.8 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Rich gas (e.g., coke oven gas) Both B and C Both steam and electrical power Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both B and C Both steam and electrical power Lean gas (e.g., B.F. gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Both A & B Its height Temperature of the flue gas Neither A nor B Both A & B Its height Temperature of the flue gas Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) None of these Decreases Remains constant Increases None of these Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Difference in gross & net calorific value Calorific value Higher C/H ratio Sulphur content Difference in gross & net calorific value Calorific value Higher C/H ratio Sulphur content ANSWER DOWNLOAD EXAMIANS APP
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