Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 3300 5400 8500 1500 3300 5400 8500 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 0.79 3.76 0.21 4.76 0.79 3.76 0.21 4.76 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) None of these Combustion of fire slacks on the grates Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) None of these Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 29 21 19 23 29 21 19 23 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 1.8 y Y 1.05 y 0.95 y 1.8 y Y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
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