Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO₂ All of these Only O₂ Both O₂ and CO Both O₂ and CO₂ All of these Only O₂ Both O₂ and CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Carburetted water gas LPG Gobar gas Coke oven gas Carburetted water gas LPG Gobar gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Smoky flame Incomplete combustion Increased fuel consumption None of these Smoky flame Incomplete combustion Increased fuel consumption None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Carbon content decreases Moisture content increases Volatile matter content increases Ash content increases Carbon content decreases Moisture content increases Volatile matter content increases Ash content increases ANSWER DOWNLOAD EXAMIANS APP
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