Unit 102 Dealing with fires

What is fire used for by tradespeople?

• Cooking

• Roofing

• Gardening

• Painting

What three elements are involved in combustion?

• Water, air, and light

• Fuel, oxygen, and heat

• Sand, wind, and fire

• Metal, wood, and water

What are the three elements needed for combustion to happen?

• Water, Air, Light

• Fuel, Oxygen, Heat

• Wood, Metal, Plastic

• Fire, Smoke, Ash

What happens if we remove one of the three elements needed for a fire?

• The fire will get bigger.

• The fire will go out.

• The fire will change color.

• The fire will make noise.

What should be done with combustible items before using a flame?

• Leave them where they are.

• Move them out of the way.

• Cover them with water.

• Paint them.

What happens to a fire if oxygen is removed?

• It gets bigger.

• It will have nothing to react with.

• It changes color.

• It makes a loud noise.

What can be used to cover a fire to remove oxygen?

• Water

• Sand

• A physical fire blanket

• A plastic sheet

What are some materials that can cover a fire?

• Foam, powder, or carbon dioxide

• Water, ice, or steam

• Sand, gravel, or dirt

• Wood, paper, or cloth

How many classes of fires are there?

• 4

• 5

• 6

• 7

How many classes of fire extinguishers are there?

• 2

• 3

• 4

• 5