Which of the following fuel characteristics contribute to fire spread?

Which of the following fuel characteristics contribute to fire spread?

Select the best answer. The presence of dead undergrowth and strong winds will support fire ignition and spread regardless of the live fuel moisture or relative humidity. Live fuel moisture and relative humidity are both too high to support fire spread or ignition.

What are the four main factors influencing fire spread?

Fire spread depends on the principal methods of heat transfer: conduction, convection, radiation and direct burning.

What can provide fuel for fires?

Air contains about 21 percent oxygen, and most fires require at least 16 percent oxygen content to burn. Oxygen supports the chemical processes that occur during fire. When fuel burns, it reacts with oxygen from the surrounding air, releasing heat and generating combustion products (gases, smoke, embers, etc.).

What are the main factors that influence fire spread and behavior?

Fire behaviour refers to the way that a fire burns, including how quickly it spreads, how much heat it gives off and how much vegetation it consumes. Three major factors typically influence fire behaviour: weather, fuels and topography.

What are the 7 factors that affect fire development?

Interior finish in a room, fuel continuity, feedback, material ignitability, thermal inertia of the fuel, proximity of flames to walls are the major factors that influence fire growth.

What 3 weather factors are most important to firefighters?

Weather conditions such as wind, temperature, and humidity also contribute to fire behavior. Wind is one of the most important factors because it can bring a fresh supply of oxygen to the fire and push the fire toward a new fuel source.

What are the four most important factors needed when starting a fire?

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: take any of these four things away, and you will not have a fire or the fire will be extinguished.

What are the 3 most important elements of weather?

The three most important elements of weather are:

• Precipitation – the water in any form that falls to the Earth from overhead clouds.
• Humidity – the moisture in the air of the lower atmosphere.
• Temperature – the measurement of how hot or cold a region is on a day-to-day basis.

What is the most important thing to do in a fire?

Remember to GET OUT, STAY OUT and CALL 9-1-1 or your local emergency phone number. Yell “Fire!” several times and go outside right away. If you live in a building with elevators, use the stairs. Leave all your things where they are and save yourself.

How do you make a mystical fire?

Identify the proper chemicals based on the color they produce.

1. To create blue flames, use copper chloride or calcium chloride.
2. To create turquoise flames, use copper sulfate.
3. To create red flames, use strontium chloride.
4. To create pink flames, use lithium chloride.
5. To create light green flames, use borax.