Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Blast furnace gas Gobar gas Converter gas Refinery gas Blast furnace gas Gobar gas Converter gas Refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 0.87 2.4 11.4 1.75 0.87 2.4 11.4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air High excess air Fine grinding All of these Low preheat of air High excess air Fine grinding All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Calorific value increases Bulk density decreases Swelling number increases Swelling number decreases Calorific value increases Bulk density decreases Swelling number increases ANSWER DOWNLOAD EXAMIANS APP
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