Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

0 Views

Fuel Types and Classification Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the significance of having a lower ash content in coal?

It increases the combustion efficiency of coal.

It contributes to the formation of combustible gases in coal.

It enhances the transport and storage cost of coal.

It improves the calorific value of coal. (correct)

What is the main implication of higher volatile matter content in coal?

Escaping of unburnt matter (correct)

Reduced calorific value

Increased combustion efficiency

Formation of inert gases

Why is the presence of Sulphur considered undesirable in coal?

It contributes to improving combustion efficiency.

It reduces the calorific value of coal. (correct)

It decreases the moisture content of coal.

It enhances the ash content of coal.

How does the fixed carbon content affect the quality of coal?

Helps in designing the furnace Signup and view all the answers

What is the lowest ranking type of coal based on carbon content?

Peat Signup and view all the answers

What is the primary characteristic of a good fuel?

High calorific value Signup and view all the answers

Which of the following is classified as a primary or natural fuel according to the text?

Charcoal Signup and view all the answers

What distinguishes secondary or synthetic fuels from primary fuels?

They undergo further chemical processing Signup and view all the answers

Which of the following is an example of a liquid fuel?

Petroleum Signup and view all the answers

What kind of energy can be derived from fuels through controlled combustion or nuclear reactions?

Thermal energy Signup and view all the answers