Fire triangles + putting out fires

Which of these isn't in the fire triangle?

• Fuel
• Heat
• Oxygen
• Carbon dioxide

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is combustion a reversible reaction?

• Yes.
• No.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What part of the fire triangle do you remove by spraying water onto a fire?

• Heat
• Oxygen
• Fuel

How many different types of fire extinguisher are there?

• 5
• 4
• 3
• I don't know

What can be used to extinguish cooking fat fires?

• CO₂
• Powder and water
• Wet chemical and foam
• Wet chemical and fire blanket

Why do you need to take care when using a CO₂ extinguisher?

• The bottle and nozzle can freeze when operating
• Using in a confined space can cause unconciousness
• Flammable liquids can re-ignite
• All of these

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or engine oil?

• Water
• Foam
• Dry Chemical
• Wet chemical

The toaster in the canteen at work has caught fire. What is the best fire extinguisher to use?

• Foam
• Wet Chemical
• CO₂
• Water

Other than CO_2, which extinguisher can be used on electrical fires?

• Foam
• Wet chemical
• Water
• Powder