Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CH₄ None of these CO H₂ CH₄ None of these CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CH₄ CO H₂O CO₂ CH₄ CO H₂O CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Have high calorific value Require smaller combustion chamber None of these Have high adiabatic flame temperature Have high calorific value Require smaller combustion chamber None of these Have high adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Both A & B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B Both A & B No possibility of obtaining complete combustion at high temperature Always loss of heat from the flame Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Decrease Increase or decrease depending on the fuel type Increase Not change Decrease Increase or decrease depending on the fuel type Increase Not change ANSWER DOWNLOAD EXAMIANS APP
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