Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 11.4 2.4 0.87 1.75 11.4 2.4 0.87 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Yield of gas and tar Time of carbonisation All of these Fuel consumption in coking Yield of gas and tar Time of carbonisation All of these Fuel consumption in coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Natural gas Carburetted water gas LPG Gobar gas Natural gas Carburetted water gas LPG Gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Lack of thorough mixing of fuel with air Low calorific value of the fuel Presence of large quantity of hydrogen in the fuel High sulphur content in the fuel Lack of thorough mixing of fuel with air Low calorific value of the fuel Presence of large quantity of hydrogen in the fuel High sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of coke oven gas is CH₄ N₂ CO₂ H₂ CH₄ N₂ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
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