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 Which of the following is called "blue gas"? Natural gas Water gas Coke oven gas Producer gas Natural gas Water gas Coke oven gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Blast furnace gas Natural gas None of these Coke oven gas Blast furnace gas Natural gas None of these Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Lignite Anthracite coal Bituminous coal None of these Lignite Anthracite coal Bituminous coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 100 50 85 70 100 50 85 70 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 22-26 10-15 30-33 1-2 22-26 10-15 30-33 1-2 ANSWER DOWNLOAD EXAMIANS APP
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