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 air has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion 21% excess air has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Abradability Caking and swelling properties Weathering properties Grindability Abradability Caking and swelling properties Weathering properties Grindability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not A domestic fuel Produced by low temperature carbonisation of coal Used in blast furnaces None of these A domestic fuel Produced by low temperature carbonisation of coal Used in blast furnaces None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO & N₂ CO₂ & N₂ CO & H₂ CO₂ & H₂ CO & N₂ CO₂ & N₂ CO & H₂ CO₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Low production of CO₂ High production of CO₂ Both B and C High production of CO Low production of CO₂ High production of CO₂ Both B and C High production of CO ANSWER DOWNLOAD EXAMIANS APP
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