HELLO FRIEND HOW ARE YOU? I AM FINE

WHAT IS YOUR TOPIC?

MY TOPIC IS ON THE FIREEXTINGUISH

ER

HISTORICALBACKGROUN

D

HISTORYHISTORY CLASSIFICATIONCLASSIFICATION TYPE OF EXTINGUISHING TYPE OF EXTINGUISHING

AGENTSAGENTS DRY CHEMICALDRY CHEMICAL WATERWATER CLEAN AGENT AND CO2CLEAN AGENT AND CO2

A fire extinguisher is an A fire extinguisher is an active fire protection active fire protection

device is used to device is used to extinguish or control fires, extinguish or control fires,

often in emergency often in emergency situation. It is not intened situation. It is not intened

for use on an out of for use on an out of control fire . A fire control fire . A fire

extinguisher consists of a extinguisher consists of a hand held cylinder hand held cylinder

pressurepressure

Vessel containing an agent Vessel containing an agent which can be discharged to which can be discharged to extinguish a fire. There are extinguish a fire. There are two type of fire extinguisher two type of fire extinguisher

stored pressure units the stored pressure units the expellant is stood in same expellant is stood in same chamber as the fire fighter chamber as the fire fighter agent itself. Unlike stored agent itself. Unlike stored pressure types, many fire pressure types, many fire

extinguishers use compressed extinguishers use compressed co2 instead of (N) , although co2 instead of (N) , although nitrogen cartridges are used nitrogen cartridges are used

on low temp. (-on low temp. (-60rated ) .Cartridges 60rated ) .Cartridges

operated extinguishers are operated extinguishers are availableavailable

in dry chemical and dry in dry chemical and dry powder in U.S. and in water powder in U.S. and in water

wetting agent foam dry wetting agent foam dry chem. And dry powder types chem. And dry powder types in rest of world. The first fire in rest of world. The first fire extinguisher of which there extinguisher of which there

is any record was patented in is any record was patented in England in 1723 god frey a England in 1723 god frey a celebrated chemist at that celebrated chemist at that

time. It consisted of a powder time. It consisted of a powder chamber of gun powder. This chamber of gun powder. This device was probably used to device was probably used to

limited extent as Bradley limited extent as Bradley weekly massenger for Nov.7 weekly massenger for Nov.7

1729 refers to its s1729 refers to its s

Efficiency in stopping a fire Efficiency in stopping a fire in Landon. The modern fire in Landon. The modern fire

extinguisher was invented by extinguisher was invented by British captain in 1818 it British captain in 1818 it

consists of a copper vessel of consists of a copper vessel of 3gallons of pearl ash carbon 3gallons of pearl ash carbon

sol. Contained with in sol. Contained with in compressed air. The soda compressed air. The soda

acid extinguisher was acid extinguisher was invented by Franco is France invented by Franco is France which mixed a sol. Of water which mixed a sol. Of water and sodium carbonate with and sodium carbonate with Tertaric acid producing the Tertaric acid producing the propellant co2 gas. A soda propellant co2 gas. A soda acid fire extinguisher was acid fire extinguisher was

patented in U.S. in 1881 patented in U.S. in 1881 by M. granger .by M. granger .

Internationally there are several Internationally there are several accepted classification methods accepted classification methods for hand held fire extinguisher.for hand held fire extinguisher.

Class a fire extinguisher is Class a fire extinguisher is used for ordinary used for ordinary

combustibles a such as wood combustibles a such as wood paper some plastic and paper some plastic and

textile. Extinguisher that textile. Extinguisher that should be identified by letter should be identified by letter a in triangle in green color.a in triangle in green color.CLASS B fire extinguisher is CLASS B fire extinguisher is

used for flammable liquid and used for flammable liquid and gas fires such as oil, gas gas fires such as oil, gas

etc.sssetc.sss

CLASS C fire extinguisher is CLASS C fire extinguisher is used for fires that involve used for fires that involve electrical equipment which electrical equipment which

require the use of require the use of electrically nonconductive electrically nonconductive

extinguish agents.extinguish agents.

Our teacher gives us a Our teacher gives us a project an that topic on fire project an that topic on fire extinguisher there are many extinguisher there are many thing to write on this topic. I thing to write on this topic. I knew that fire extinguisher is knew that fire extinguisher is

an active fire protection an active fire protection device used to control or device used to control or extinguisher fire. I have extinguisher fire. I have

some other knowledge about some other knowledge about this.this.

Me and my friend make a Me and my friend make a group meeting and discuss group meeting and discuss

about fireabout fire

extinguishers. Some of my extinguishers. Some of my friend get knowledge of it friend get knowledge of it from net but I oppose this from net but I oppose this

and say that we have to do it and say that we have to do it our self not paste it all from our self not paste it all from net. My friend understand net. My friend understand

and not copy all from net. We and not copy all from net. We asked our teacher about fire asked our teacher about fire extinguisher. She tells us in extinguisher. She tells us in brief about types uses and brief about types uses and rates of fire extinguishers. rates of fire extinguishers.

We asked many other teacher We asked many other teacher also we go to lib. and get also we go to lib. and get

some books of fire some books of fire extinguishers. Form theseextinguishers. Form these

Books we conclude many Books we conclude many thing about this project. We thing about this project. We have take some suggestions have take some suggestions

from our relation our teacher from our relation our teacher or tution teacher to make this or tution teacher to make this

project more attractive. We project more attractive. We asked our science teacher asked our science teacher about gases by which fire about gases by which fire

extinguisher made up of 3. extinguisher made up of 3. Our math teacher suggest us Our math teacher suggest us to make some graph about to make some graph about location of fire extinguisher location of fire extinguisher in our school. We also write in our school. We also write about the types and prices of about the types and prices of

firefire

located in our school. We located in our school. We paste more and more paste more and more

colorful picture to make this colorful picture to make this project so big attractive and project so big attractive and

beautiful. By taking this beautiful. By taking this these suggestion we are able these suggestion we are able

to make this project so to make this project so beautiful and attractive. This beautiful and attractive. This project is result of our hard project is result of our hard

work and team work.work and team work.

Data collectionData collection Written workWritten work Pasting of picturePasting of picture Draw designDraw design

Cutting or pasting the picture of fire Cutting or pasting the picture of fire extinguisher.extinguisher.

Pasting the graphPasting the graph

Content, Aim and objective, Content, Aim and objective, Introduction about the fire Introduction about the fire extinguisher.extinguisher.

Historical back groundHistorical back ground Type of fire extinguisherType of fire extinguisher

BibiliographyBibiliography SuggestionSuggestion summarysummary

ACKNOLEDGMENTTo 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

INTRODUCTION

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.

CONCLUSIONI have come to know or to

con conclusion that english is very knowledgeable

language. Project concept is knowledge and wonderful.

INTERNETINTERNET TEACHERS HELP AND FRIENDS TEACHERS HELP AND FRIENDS

HELPHELP TAKE ADVICE FROM PARENTSTAKE ADVICE FROM PARENTS PB WORKSPB WORKS ASK. COMASK. COM