1. HELLO FRIEND HOW ARE YOU? I AM FINE WHAT IS YOUR TOPIC?
2. MY TOPIC IS ON THE FIRE EXTINGUISHER
3. HISTORICAL BACKGROUND
4. HISTORYHISTORY CLASSIFICATIONCLASSIFICATION TYPE OF
EXTINGUISHING AGENTSTYPE OF EXTINGUISHING AGENTS DRY CHEMICALDRY
CHEMICAL WATERWATER CLEAN AGENT AND CO2CLEAN AGENT AND CO2
5. A fire extinguisher is an active fireA fire extinguisher is
an active fire protection device is used toprotection device is
used to extinguish or control fires, often inextinguish or control
fires, often in emergency situation. It is notemergency situation.
It is not intened for use on an out of controlintened for use on an
out of control fire . A fire extinguisher consists offire . A fire
extinguisher consists of a hand held cylinder pressurea hand held
cylinder pressure
6. Vessel containing an agent which canVessel containing an
agent which can be discharged to extinguish a fire.be discharged to
extinguish a fire. There are two type of fire extinguisherThere are
two type of fire extinguisher stored pressure units the expellant
isstored pressure units the expellant is stood in same chamber as
the firestood in same chamber as the fire fighter agent itself.
Unlike storedfighter agent itself. Unlike stored pressure types,
many fire extinguisherspressure types, many fire extinguishers use
compressed co2 instead of (N) ,use compressed co2 instead of (N) ,
although nitrogen cartridges are usedalthough nitrogen cartridges
are used on low temp. (-60rated ) .Cartridgeson low temp. (-60rated
) .Cartridges operated extinguishers are availableoperated
extinguishers are available
7. in dry chemical and dry powder in U.S.in dry chemical and
dry powder in U.S. and in water wetting agent foam dryand in water
wetting agent foam dry chem. And dry powder types in rest ofchem.
And dry powder types in rest of world. The first fire extinguisher
ofworld. The first fire extinguisher of which there is any record
was patentedwhich there is any record was patented in England in
1723 god frey ain England in 1723 god frey a celebrated chemist at
that time. Itcelebrated chemist at that time. It consisted of a
powder chamber of gunconsisted of a powder chamber of gun powder.
This device was probably usedpowder. This device was probably used
to limited extent as Bradley weeklyto limited extent as Bradley
weekly massenger for Nov.7 1729 refers to its smassenger for Nov.7
1729 refers to its s
8. Efficiency in stopping a fire in Landon.Efficiency in
stopping a fire in Landon. The modern fire extinguisher wasThe
modern fire extinguisher was invented by British captain in 1818
itinvented by British captain in 1818 it consists of a copper
vessel of 3gallonsconsists of a copper vessel of 3gallons of pearl
ash carbon sol. Contained withof pearl ash carbon sol. Contained
with in compressed air. The soda acidin compressed air. The soda
acid extinguisher was invented by Franco isextinguisher was
invented by Franco is France which mixed a sol. Of waterFrance
which mixed a sol. Of water and sodium carbonate with Tertaricand
sodium carbonate with Tertaric acid producing the propellant co2
gas.acid producing the propellant co2 gas. A soda acid fire
extinguisher wasA soda acid fire extinguisher was
9. patented in U.S. in 1881 by M.patented in U.S. in 1881 by M.
granger .granger . Internationally there are several
acceptedInternationally there are several accepted classification
methods for hand held fireclassification methods for hand held fire
extinguisher.extinguisher.
10. Class a fire extinguisher is used forClass a fire
extinguisher is used for ordinary combustibles a such as
woodordinary combustibles a such as wood paper some plastic and
textile.paper some plastic and textile. Extinguisher that should be
identifiedExtinguisher that should be identified by letter a in
triangle in green color.by letter a in triangle in green color.
CLASS B fire extinguisher is used forCLASS B fire extinguisher is
used for flammable liquid and gas fires such asflammable liquid and
gas fires such as oil, gas etc.sssoil, gas etc.sss
11. CLASS C fire extinguisher is usedCLASS C fire extinguisher
is used for fires that involve electricalfor fires that involve
electrical equipment which require the use ofequipment which
require the use of electrically nonconductive
extinguishelectrically nonconductive extinguish agents.agents.
12. Our teacher gives us a project an thatOur teacher gives us
a project an that topic on fire extinguisher there aretopic on fire
extinguisher there are many thing to write on this topic. Imany
thing to write on this topic. I knew that fire extinguisher is an
activeknew that fire extinguisher is an active fire protection
device used to control orfire protection device used to control or
extinguisher fire. I have some otherextinguisher fire. I have some
other knowledge about this.knowledge about this. Me and my friend
make a groupMe and my friend make a group meeting and discuss about
firemeeting and discuss about fire
13. extinguishers. Some of my friend getextinguishers. Some of
my friend get knowledge of it from net but I opposeknowledge of it
from net but I oppose this and say that we have to do it ourthis
and say that we have to do it our self not paste it all from net.
My friendself not paste it all from net. My friend understand and
not copy all from net.understand and not copy all from net. We
asked our teacher about fireWe asked our teacher about fire
extinguisher. She tells us in brief aboutextinguisher. She tells us
in brief about types uses and rates of firetypes uses and rates of
fire extinguishers. We asked many otherextinguishers. We asked many
other teacher also we go to lib. and get someteacher also we go to
lib. and get some
14. Books we conclude many thing aboutBooks we conclude many
thing about this project. We have take somethis project. We have
take some suggestions from our relation oursuggestions from our
relation our teacher or tution teacher to make thisteacher or
tution teacher to make this project more attractive. We asked
ourproject more attractive. We asked our science teacher about
gases by whichscience teacher about gases by which fire
extinguisher made up of 3. Ourfire extinguisher made up of 3. Our
math teacher suggest us to make somemath teacher suggest us to make
some graph about location of firegraph about location of fire
extinguisher in our school. We alsoextinguisher in our school. We
also write about the types and prices of firewrite about the types
and prices of fire
15. located in our school. We paste morelocated in our school.
We paste more and more colorful picture to make thisand more
colorful picture to make this project so big attractive and
beautiful.project so big attractive and beautiful. By taking this
these suggestion we areBy taking this these suggestion we are able
to make this project so beautifulable to make this project so
beautiful and attractive. This project is result ofand attractive.
This project is result of our hard work and team work.our hard work
and team work.
16. Data collectionData collection Written workWritten work
Pasting of picturePasting of picture Draw designDraw design Cutting
or pasting the picture of fireCutting or pasting the picture of
fire extinguisher.extinguisher. Pasting the graphPasting the
graph
17. Content, Aim and objective, Introduction aboutContent, Aim
and objective, Introduction about the fire extinguisher.the fire
extinguisher. Historical back groundHistorical back ground Type of
fire extinguisherType of fire extinguisher
19. ACKNOLEDGMENT To increase my knowledge or to make me hard
working. If teacher give me project AIM OR OBJECTIVE To promate
Indian math. To increase compution skills in students
20. INTRODUCTION
21. SUGGESTION I tried my best to make this project not for
grade but still, it can be more color of sheet are use graphs used.
CONCLUSION I have come to know or to con conclusion that english is
very knowledgeable language. Project concept is knowledge and
wonderful.
22. INTERNETINTERNET TEACHERS HELP AND FRIENDS HELPTEACHERS
HELP AND FRIENDS HELP TAKE ADVICE FROM PARENTSTAKE ADVICE FROM
PARENTS PB WORKSPB WORKS ASK. COMASK. COM
