Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CH₄ CO₂ CO H₂O CH₄ CO₂ CO H₂O ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Vitrain Both A & B Neither A nor B Fussain Vitrain Both A & B Neither A nor B Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both steam and electrical power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Does not affect its consumption in the furnace Reduces its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Reduces its consumption in the furnace Increases its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Same Less More Data insufficient; can't be predicted Same Less More Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP