Fuels and Combustion Sulphur in metallurgical coal Neither A nor B Both A and B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Neither A nor B Both A and B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes None of these Clinkering tendency during combustion increases Bulk density always decreases Calorific value increases sometimes None of these Clinkering tendency during combustion increases Bulk density always decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Combustion of fuel is complete All of these Furnace control is easier Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier Smaller height chimney can be used ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO Only O₂ All of these Both O₂ and CO₂ Both O₂ and CO Only O₂ All of these Both O₂ and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO₂ CO CH₄ H₂ CO₂ CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
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