Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Caking and swelling properties Abradability Weathering properties Grindability Caking and swelling properties Abradability Weathering properties Grindability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Lump coal (fixed on chain grate) Pulverised coal Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal Coke oven gas Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? LPG Producer gas Sewage gas Natural gas LPG Producer gas Sewage gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess fuel None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air Supply of excess fuel None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air 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 1.05 y 1.8 y Y 0.95 y 1.05 y 1.8 y Y ANSWER DOWNLOAD EXAMIANS APP
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