Fuel
Chapter Name : Combustion And Flame |
Sub Topic Code : 102_08_06_05_01 |
Topic Name : Fuel |
|
Sub Topic Name : Fuel |
|
Introduction
Discuss “What fuels we encounter in daily life”
Pre-Requisites:
Combustion, Energy from combustion
Activity:
Which fuels are preferred over others and which are bad fuels
Real Life Question:
“Name three important fuels we can’t live without?”, “ Give some examples of fuels and their advantages and disadvantages.”
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| fuels | Recall that the sources of heat energy for domestic and industrial purposes are mainly wood, charcoal, petrol, kerosene, etc. These substances are called fuels. |
| good fuel | A good fuel is one which is readily available. It is cheap. It burns easily in air at a moderate rate. It produces a large amount of heat. It does not leave behind any undesirable substances. |
| ideal fuel | A good fuel which is very cheap, fulfills all needs, suitable for every purpose, and produces no pollution. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Samples of fuels | Make a chart of properties and recognize the good fuels through discussion |
Real life uses :
They are used as source of energy in our homes and industries
Practical examples around us
| Examples | Explainations |
|---|---|
| wood, charcoal, petrol, kerosene | These all are example of fuels |
What you learn in Theory:
Fuels, good fuels and its characteristics, what is meant by ideal fuel
What you learn in Practice:
How to decide which is a good fuel amongst a group of different fuels