Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Both A & B Neither A nor B Density of the chimney gases Height of the chimney Both A & B Neither A nor B Density of the chimney gases Height of the chimney 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 Which of the following is the most poisonous gas? L.D. converter gas Blast furnace gas Producer gas Coke oven gas L.D. converter gas Blast furnace gas Producer gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CO H₂ C₂H₆ CH₄ CO H₂ C₂H₆ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? LPG Sewage gas Natural gas Producer gas LPG Sewage gas Natural gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
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