He believed fire gave rise to the other three elements. The oxygen that is needed for the fire is used to help keep the heat and to help keep the fire burning.
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An electric spark can provide the activation energy needed to start a combustion reaction.
. Char Patterns Created by very hot fires that burn very quickly and move fast along its path so that there can be sharp lines between what is burned and what isnt. In a candle flame or small fire most of the matter in a flame consists of hot gases. The other two elements are oxygen and a chemical reaction.
All things are an interchange for fire and fire for all things just like goods for gold and gold for goods He had a reputation for obscure philosophical principles and for speaking in riddles. Heat allows fire to spread by drying out and preheating nearby fuel and warming surrounding air. What is the minimum number of figher fighters required to make up a firefighting team.
Second evaporation of the water uses a large amount of heat causing the fire to cool. Flames are intensified by increasing the rate of combustion. Oxygen is the most abundant element in the.
Four elements also known as the fire tetrahedron must be present in order for. When hydrogen burns in the air water is formed. The triangle essentially shows the chemical reaction that needs to take place in order for a fire to be created.
Without these three components a fire cannot begin or continue to burn. Identify the three 3 elements necessary to start a fire. This is evident when you put a glass container for example over a candle and then it burns out.
Without oxygen the fuel will not be fed to the heat and the fire will not be able to continue to burn. Heat fuel and oxygen. Fuel Material to be burned Oxidizing Agent Generally oxygen in air Heat Heat energy to initiate the reaction.
Most solids and liquids become a vapor or gas before they will burn. What is the soul purpose of a. The three elements that are needed to start a fire are oxygen heat and fuel.
Four elements are needed to make a fire including fuel and heat. Examples of flames that contain plasma include those produced by plasma torches and the thermite reaction. So the air in our atmosphere is a.
Yes those are the needed elements. A spark or heat source. 1 Heat A heat source is responsible for the initial ignition of fire and is also needed to maintain the fire and enable it to spread.
For a fire to there must be a fuel for energy for example a fossil duel then oxygen is needed to sustain the fire- without oxygen a fire cannot occur. Model of the four elementsconditions required to have a fire. The three ingredients used to ignite fire are oxygen heat and fuel but there is also a fourth element a chain reaction is also necessary to start a fire and keep it burning.
A source of combustible fuel and 3. Propagation Unless the initial fire spreads beyond the initial fuel it will self-extinguish. Add your answer and earn points.
The three elements of the fire triangle are oxygen heat and fuel. See answer 1 Best Answer Copy Fuel of some sort doesnt need to be an element You need Oxygen. Oxygen When you say hydrogen do you mean hydrogen gas.
A Oxygen fuel and heat b Oxygen water and heat c Oxygen light and material d Oxygen fuel and water 2. What are the four elements of fire. Air or more specifically oxygen which is about 20 of air 2.
Oxygen Oxygen is usually required for combustion the fires chemical reaction to occur. 475 BCE considered fire to be the most fundamental of all elements. Q2 What is the role of oxygen in a fire triangle.
In most cases this is simply the oxygen in the air. Sikringbp and 15 more users found this answer helpful. The sides of the triangle represent the interdependent ingredients needed for fire.
Stage of a fire at which all services in object within a space have been heated to their ignition temperature in flame breaks out almost at once over the surface of all objects in the space. A bolt of lightning is about 5000 F 2800 C. For a fire to burn it needs oxygen fuel and heat.
These all need to exist in order for the fire to light and equally by removing one of these elements you can extinguish a fire. If you mean hydrogen gas then the answer is c. Firstwater covers the fuel which keeps it from coming in contact with oxygen.
Think of the reaction 2H2 O2 ----- 2 H2O. Start studying Chapter 2 fire quiz. Elements of Fire There are four fundamental elements required for fire in any setting.
Answer 50 5 0 garydesir1 Hi There The answer is C. There are three elements that need to be present a fuel source heat and oxygen. Lastly heat is needed as fire is hot and must remain hot to be a fire.
Oxygen fuel heat Explanation. Fire requires an atmosphere with at least 16 oxygen 16 oxygen The air we breathe is about 21 oxygen. Oxygen heat and fuel are frequently referred to as the fire triangle Add in the fourth element the chemical reaction and you actually have a fire tetrahedron The important thing to remember is.
Which element of a fire sprinkler head is attached to the frame of the sprinkler head and holds the orifice cap in place until it is released at the critical activation temperature. The amount of heat necessary to achieve initial combustion. Which of the following is a myth that requires further education or order to dispel the publics opinion of an automatic fire sprinkler system.
Which of the following is an essential element of safe emergency operations. Those three elements are part of the fire triangle which illustrates the interdependence of the ingredients that are necessary to start and sustain a fire. Q1 What are the three elements of fire.
The four sides of the tetrahedron represent fuel heat oxygen and chemical chain reaction. State of Matter of Fire. How does water remove two parts of the fire triangle.
For example the ignition or flash point of wood is about 500 degrees F which will vary somewhat with moisture content etc. Learn vocabulary terms and more with flashcards games and other study tools. A very hot fire releases enough energy to ionize the gaseous atoms forming the state of matter called plasma.
Take any of these four things away and you will not have a fire or the fire will be extinguished. 535 BCE c. Advertisement dentersaudi is waiting for your help.
That is all you need for fire. The center of the Sun is about 27 million degrees Fahrenheit 15 million C. Answered Which is NOT an element that must be present for a fire to occur.
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