Self-Test A-5.1: Describe the Conditions Necessary to Support a Fire

Complete Self-Test A-5.1 and check your answers.

1. What three components must you have to support combustion?
   1. Fuel, heat, carbon dioxide
   2. Heat, oxygen, fuel
   3. Carbon monoxide, fuel, heat
   4. Fuel, oxygen, carbon dioxide
2. Keeping the components of combustion separated will prevent a fire.
   1. True
   2. False
3. Oxidation is the process of oxygen uniting with another element.
   1. True
   2. False
4. When a gas fire is being extinguished how does shutting off the main valve affect the fire?
   1. Cooling
   2. Starvation
   3. Smothering
   4. Disconnecting
5. When a wood fire is being extinguished, how does applying water affect the fire?
   1. Cooling
   2. Starvation
   3. Saturation
   4. Smothering
6. When a fire is being extinguished, how does covering the fire with a lid or wet blanket affect the fire?
   1. Cooling
   2. Starvation
   3. Pressurizing
   4. Smothering
7. What is the fourth component that creates the fire tetrahedron?
   1. Aerobic reaction
   2. Metabolic reaction
   3. Chemical destabilizers
   4. Chemical chain reaction
8. When foam is applied to a fire, what is the result?
   1. Cooling
   2. Starvation
   3. Reignition
   4. Smothering

Answer Key: Self-Test A-5.1 is on the other page.