Safety Check For Understanding # 1

Fires are classified according to

• materials involved and techniques that safely extinguish them

• size and duration of fire

• season of year when the fire occurs

• the amount of material being burned

Fire can always be prevented or stopped by eliminating

• combustible gasses in the area

• congestion in the shop

• improper storage of fuels

• any item in the fire triangle

A commonly used fuel found in the high school shop is

• acetylene

• acetone

• oxygen

• magnesium

Which is not a part of the fire triangle?

• combustion

• heat

• fuel

• oxygen

The letter "A" on a fire extinguisher means the extinguisher can be used to put out burning

• metals

• liquids

• wood

• electrical wires

When using a fire extinguisher, you should stand as close to the fire as possible.

• True

• False

The letter "B" on a fire extinguisher means the extinguisher can be used to put out burning

• metals

• liquids

• wood

• electrical wires

The letter "C" on a fire extinguisher means the extinguisher can be used to put out burning

• metals

• liquids

• wood

• electrical wires

Using a fire extinguisher is effective because it eliminates the ___ from the fire.

• Heat

• Fuel

• Oxygen

• Light

To eliminate the oxygen from a fire, you should

• Smother it - with a fire blanket

• turn off the fuel source

• Cry, the tears will put it out

• Open the door