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. Remains same Increases May increase or decrease depending on the type of fuel Decreases Remains same Increases May increase or decrease depending on the type of fuel Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Gaseous fuels Solid fuels Fat coals Liquid fuels Gaseous fuels Solid fuels Fat coals Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 4.76 3.76 0.79 0.21 4.76 3.76 0.79 0.21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Both A & B Maximum to minimum heat input ratio Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Maximum to minimum heat input ratio Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Produce strong coke Produce weak coke Both B and C May damage the coke oven walls during carbonisation Produce strong coke Produce weak coke Both B and C May damage the coke oven walls during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is More explosive and inflammable Lighter Less poisonous All of these More explosive and inflammable Lighter Less poisonous All of these ANSWER DOWNLOAD EXAMIANS APP
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