Page 104 - EVS Class 05

years ago. Coal is a fossil fuel . Coal is used as a fuel
for cooking, heating and for generating electricity. It
is also used to run steam engines and factories.

Petroleum

Petroleum is also known as black gold . It is found
Petroleum
deep inside the earth. Wells are drilled deep to reach
the oil. An oilfield is an area where many oil wells

are drilled.

Crude oil is refined to produce many products like
petrol, diesel, kerosene and mobile oil. These have

different uses.

g Petrol is used as a fuel in vehicles.

g Diesel is used as a fuel in heavy vehicles like

buses, trucks, ships, motorboats, etc.

g Aviation turbine fuel is used as a fuel in air
Fractional Distillation
crafts. It is a special kind of refined kerosene.
of Crude Oil
g LPG (Liquefied Petroleum
Gas) is a bye-product of
petroleum refining and is

used to cook food in cities
and towns. It is stored in

cooking gas cylinders. It An aeroplane uses
Diesel is used as fuel
burns with a blue flame. in buses. refined kerosene
as fuel.
g Kerosene is used as a domestic fuel in stoves to cook food.
Natural Gas

In many oil fields, natural gas is found along with

crude mineral oil. This natural gas is lighter than oil, so
it is found above the layers of petroleum deposits. It is

also used as a fuel.

Compressed Natural Gas (CNG) is used in buses and
autorickshaws now-a-days. It is an eco-friendly fuel
CNG

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