Fuels and Combustion Producer gas containing least amount of tar is produced by the Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action None of these Burns completely Gives smokeless burning Shows little or no fusing action None of these Burns completely Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Boudouard Reduction Neumann reversal Shift conversion Boudouard Reduction Neumann reversal Shift conversion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. H₂O CH₄ CO₂ CO H₂O CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
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