10 Questions
Which elements are the main combustible elements in a fuel?
Carbon and hydrogen
What is the chemical formula for sulfur dioxide?
SO2
What is perfect combustion also known as?
Stoichiometric combustion
Which element is considered an impurity in a fuel, even though it is combustible?
Sulfur
What is the equation for the incomplete combustion of sulfur?
2S + O2 -> SO2 + S
Why is the formation of free sulfur undesirable?
It represents a waste of fuel
Which of the following conditions is required for complete combustion to occur?
Sufficient air must be admitted to ensure all combustibles are burned.
What is the equation for the complete combustion of carbon?
$C + O_2 \rightarrow CO_2$
What is the equation for the incomplete combustion of carbon?
$C + \frac{1}{2}O_2 \rightarrow CO$
What is the main consequence of incomplete combustion in a boiler?
Reduced efficiency
Test your knowledge on fuels, combustion, and flue gas analysis with this quiz. Learn about combustion, incomplete combustion, combustion products, and how to write balanced combustion equations. Challenge yourself and solidify your understanding of these important topics.
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