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 Decrease Increase or decrease depending on the fuel type Increase Not change Decrease Increase or decrease depending on the fuel type Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Convert CO to CO₂ Minimise the chances of clinker formation Increase the gas production rate Increase the combustion rate Convert CO to CO₂ Minimise the chances of clinker formation Increase the gas production rate Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Blast furnace coke Wood charcoal Natural gas Gasoline Blast furnace coke Wood charcoal Natural gas Gasoline ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 4.76 3.76 0.21 0.79 4.76 3.76 0.21 0.79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Increases May increase or decrease depending on the type of fuel Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C ANSWER DOWNLOAD EXAMIANS APP
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