Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 500 950 750 1100 500 950 750 1100 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 1.8 y Y 0.95 y 1.05 y 1.8 y Y 0.95 y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Hydrocyclones Wet scrubber Multicyclones Bag filter Hydrocyclones Wet scrubber Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Hydrogen Fixed carbon Total carbon Nitrogen Hydrogen Fixed carbon Total carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Junker's calorimeter is used to determine the calorific value of Gaseous fuels None of these Fuel oil Pulverised coal Gaseous fuels None of these Fuel oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Semi-anthracite Bituminous coal Anthracite Lignite Semi-anthracite Bituminous coal Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP