Fire Terms & Fire Chemistry

What is the chemical composition of fire?

• Carbon, Nitrogen, Hydrogen

• Water, Air, Earth

• Iron, Copper, Zinc

• Oxygen, Heat, Fuel

What is the lowest temperature at which a flammable substance gives off vapors that will burn when a flame or spark is applied?

• 300°F

• 380°F

• 110°F

• -45°F

What is the lowest temperature at which fuel will continue to burn after ignition?

• 300°F

• 380°F

• -45°F

• 110°F

What is spontaneous combustion?

• Ignition without an outside source

• Ignition with an outside source

• Ignition with water

• Ignition with air

What is the minimum oxygen needed for flaming combustion?

• 10%

• 3%

• 15%

• 21%

What is the chain reaction that occurs in a fire?

• Electrical Circuit

• Chemical Chain Reaction

• Water Cycle

• Mechanical Friction

What is the relationship between oxygen, heat, and fuel in a fire represented as?

• Fire Square

• Fire Circle

• Fire Rectangle

• Fire Triangle

What is the process that takes place when burning vapors produce heat which then releases and ignites more vapors?

• Chemical Chain Reaction

• Extinguishment Theory

• Heat Transfer

• Firefighting Agents

What is the material that will burn in a fire called?

• Air

• Earth

• Water

• Fuel

What is the source of ignition that can start the vaporizing and oxidation process in a fire?

• Water

• Air

• Mechanical Friction

• Earth