Fuels and Combustion Which of the following is a rich fuel gas? Coal gas from underground gasification of coal None of these Producer gas Refinery gases Coal gas from underground gasification of coal None of these Producer gas Refinery gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 5400 3200 1800 10200 5400 3200 1800 10200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Laboratory gas is obtained by the cracking of Gasoline Kerosene Diesel Fuel oil Gasoline Kerosene Diesel Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Blast furnace gas Natural gas Water gas Coke oven gas Blast furnace gas Natural gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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