sai coal mesurments

1. COAL
DONE BY:A. Sai Varshith
CLASS/SEC:V/A

2. INFORMATION ABOUT
COAL
Coal is the most important non-
renewable natural resource .
It is very important substance because it
is used to Thermal energy , Steel
production , cement manufacturing and
as liquid fuel.
The quantity
of coal ash produced at coal-
fired thermal power plants varies from
5% to 45% depending on the type and

3. DEPTH, FORMATION AND
TYPES OF COAL
 Most of the world's coal reserves are
buried deep underground. Underground
mining, sometimes called deep mining,
is a process that
retrieves coal from deep below the
Earth's surface—sometimes as far as
300 meters (1,000 feet).
 IT NEARLY TAKES 300 MILLION
YEARS TO DEAD ANIMALS TO FORM
AS COAL.
 THERE ARE 4 TYPES OF COAL

4. CONSTITUENTS OF COAL

5.  Coal is a fossil fuel which is made up
of
* Carbon 75%
* Hydrogen 5%
* Oxygen8%
* Sulphur1%
* Nitogen2%
* Ash 9%

6. SHAPES AND SIZES OF
COAL
Coal stockpiles vary in
both size and shape. ... And, from small
to large, there are typically four shapes:
conical, ring, longitudinal, and free-form.
 Coal Size Min Size in Inches Max Size in
InchesBuckwheat(Buck)5/16"9/16"Pea9/1
6"13/16"Chestnut(Nut)13/16"1-5/8"Stove1
5/8"2 7/16"

8. CONICAL SHAPED COAL RING SHAPED COAL
REGULAR SHAPE OF COAL

9. ESAT PRESENT
THERE IS
ONLY 46% OF
COAL LEFT
PLZ SAVE

10. VOTE OF THANKS
I THANK ALL MY
RESPECTED TEACHERS
WHO GAVE ME THIS
OPERTUNITY TO
PERFORM.
I THANK THE FACULTY
TO GIVE US THIS
OPERTUNITY