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Types of Fuel and Classification

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Questions and Answers

What is the main constituent of fuel mentioned in the text?

Carbon (correct)

Nitrogen

Oxygen

Hydrogen

Which category do fossil fuels fall under according to the text?

Artificial fuels

Nonrenewable fuels (correct)

Renewable fuels

Primary fuels

What is the primary source of coal formation according to the text?

Modification of vegetable substance (correct)

Synthesis from inanimate substances

Decomposition of plants and animals

Combustion with oxygen

Which type of coal is known for being highly carbonaceous?

Anthracite Signup and view all the answers

Why is Peat considered an uneconomic fuel according to the text?

Low calorific value Signup and view all the answers

What is the main difference in burning characteristics between lignite and bituminous coal?

Lignite burns with a long steamy flame, while bituminous coal burns with a yellow smoky flame Signup and view all the answers

How is anthracite coal described in terms of its moisture and ash content?

Low moisture and low ash content Signup and view all the answers

What does the Proximate Analysis of coal involve?

Evaluating volatile matter, moisture, fixed carbon, and ash Signup and view all the answers

How is the calorific value of coal related to the fixed carbon content?

Higher fixed carbon leads to higher calorific value Signup and view all the answers

Which element in coal directly contributes towards its calorific value?

Carbon Signup and view all the answers