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 Not change Increase or decrease depending on the fuel type Increase Decrease Not change Increase or decrease depending on the fuel type Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 23 11.5 12 0.5 23 11.5 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Gross calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume Gross calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Hydrogen Acetylene Carbon monoxide Methane Hydrogen Acetylene Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO & H₂ CO₂ & N₂ CO₂ & H₂ CO & N₂ CO & H₂ CO₂ & N₂ CO₂ & H₂ CO & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have low fusion point of its ash Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle ANSWER DOWNLOAD EXAMIANS APP