Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Blast furnace gas Natural gas Coke oven gas Sewage gas Blast furnace gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Alkaline pyragllol solution Dilute potassium carbonate Cuporus chloride Potassium hydroxide Alkaline pyragllol solution Dilute potassium carbonate Cuporus chloride Potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% < 37% None of these In between 37 & 71% >71% < 37% None of these In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Increase in its friability Reduction in coal size Decrease in its caking capacity All of these Increase in its friability Reduction in coal size Decrease in its caking capacity All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification ANSWER DOWNLOAD EXAMIANS APP