Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Lower calorific value at constant pressure Gross calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume Lower calorific value at constant pressure Gross calorific value at constant pressure Higher calorific value at constant volume 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 1.05 y 0.95 y Y 1.8 y 1.05 y 0.95 y Y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO₂ CH₄ H₂ CO CO₂ CH₄ H₂ CO 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 Washing of coal is done to reduce the Both B and C Mineral matter Inherent impurities Adhering impurities Both B and C Mineral matter Inherent impurities Adhering impurities ANSWER DOWNLOAD EXAMIANS APP
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