Fuels and Combustion For long flame and easy ignition, the coal used should have High calorific value High volatile matter Low ash High ash High calorific value High volatile matter Low ash High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Minimum to maximum heat input ratio Maximum to minimum heat input ratio Both A & B Maximum to minimum permissible gas flow rate Minimum to maximum heat input ratio Maximum to minimum heat input ratio Both A & B Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Minimise the chances of clinker formation Increase the gas production rate Convert CO to CO₂ Increase the combustion rate Minimise the chances of clinker formation Increase the gas production rate Convert CO to CO₂ Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 2 4 6 1 2 4 6 1 ANSWER DOWNLOAD EXAMIANS APP
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