Fuels and Combustion Presence of phosphorous in metallurgical coal Increases its caking power Reduces its calorific value Badly affects the quality of steel Is not undersirable Increases its caking power Reduces its calorific value Badly affects the quality of steel Is not undersirable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of air Theoretically required amount of oxygen More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen More than theoretically required amount of air Less than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air Fine grinding All of these High excess air Low preheat of air Fine grinding All of these High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CO C₂H₆ CH₄ H₂ CO C₂H₆ CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 4 6 1 2 4 6 1 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. H₂O CH₄ CO₂ CO H₂O CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
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