Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of hydrogen in coke oven gas may be around 25 45 10 60 25 45 10 60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Furnace oil, light diesel oil and tar/PCM Coal middling from washeries F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Furnace oil, light diesel oil and tar/PCM Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Increases its calorific value Is not possible on commerical scale Decreases its calorific value Does not alter its calorific value Increases its calorific value Is not possible on commerical scale Decreases its calorific value Does not alter its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is CO H₂ CO₂ N₂ CO H₂ CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP