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12 Questions

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Coal Combustion Process

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Questions and Answers

What is the main component of coal that significantly influences its energy content?

Hydrogen

Carbon (correct)

Nitrogen

Oxygen

How does the presence of hydrogen in coal impact its combustion properties?

Increases the calorific value (correct)

Reduces the heating value

Decreases the combustion efficiency

Has no impact on combustion properties

Which element found in coal can act as an impurity and affect the combustion process?

Carbon

Nitrogen (correct)

Oxygen

Hydrogen

In a coal-fired powerplant, which component's presence significantly alters the heating value and combustion properties of coal?

Carbon and Hydrogen Signup and view all the answers

What is the role of nitrogen in the combustion of coal?

Reacting with oxygen to produce nitrogen oxides that can float into the atmosphere Signup and view all the answers

How do impurities like sulfur affect the combustion of coal?

Release fumes and harmful byproducts when burned Signup and view all the answers

Which statement accurately describes the combustion properties of coal?

Coal combustion can release harmful fumes and byproducts Signup and view all the answers

Why is coal considered a versatile energy source?

It plays a role in multiple industries beyond electricity generation Signup and view all the answers

What is the primary purpose of heating coal with steam in gasification?

To produce 'town' gas for residential use Signup and view all the answers

Which chemical building blocks can be produced from syngas obtained through coal gasification?

Methanol, ammonia, and urea Signup and view all the answers

In addition to the energy industry, which other industry does coal serve according to the text?

Textile manufacturing Signup and view all the answers

What similarity do synthetic fuels produced from coal liquefaction have with petroleum?

Both have similar properties to diesel and gasoline Signup and view all the answers