Fire Safety

What are the three elements that make up the fire triangle?

• Carbon Dioxide, Heat, Fuel

• Oxygen, Heat, Fuel

• Oxygen, Water, Fuel

• Carbon Dioxide, Water, Fuel

Answer explanation

The fire triangle consists of three elements: oxygen, heat, and fuel. These elements are necessary for a fire to ignite and sustain itself. Removing any one of these elements will extinguish the fire.

Identify which class of fire each of the descriptions below refers to:

• Class C

• Fires involving metals

• Class A

• Fires involving liquids or liquefiable solids

• Class D

• Fires involving gases

• Class F

• Fires involving cooking oil and fats​

• Class B

• Fires involving solid materials, usually of an organic nature

A wood fire has started in your place of work.

Which type of fire extinguisher should be used to put out the fire?

• Water extinguisher

• Foam extinguisher

• CO2 extinguisher

• Dry powder extinguisher

A wood fire has started in your place of work.

How would the correct extinguisher to use on this fire be identified?

• By its red label

• By its blue label

• By its black label

• By its cream label

Answer explanation

Water extinguishers are typically identified by a red label. This helps users quickly identify the correct extinguisher for Class A fires.

A wood fire has started in your place of work.

What are the possible risks of using this fire extinguisher?

• Electrical shock

• Slippery surfaces

• Toxic fumes

• Damage to equipment

Answer explanation

Using a water extinguisher can create slippery surfaces, which can be a hazard. It’s important to be cautious of this risk when using water to extinguish a fire.

An electrical fire has started in your place of work.

Which type of fire extinguisher should be used to put out the fire?

• Water extinguisher

• Foam extinguisher

• CO2 extinguisher

• Dry powder extinguisher

Answer explanation

CO2 extinguishers are suitable for electrical fires (Class C). They work by displacing oxygen and cooling the fire, without leaving any residue that could damage electrical equipment.

An electrical fire has started in your place of work.

How would the correct extinguisher to use on this fire be identified?

• By its red label

• By its black label

• By its blue label

• By its cream label

Answer explanation

CO2 extinguishers are identified by a black label. This helps users quickly identify the correct extinguisher for electrical fires.

An electrical fire has started in your place of work.

What are the possible risks of using this fire extinguisher?

• Slippery surfaces

• Toxic fumes

• Damage to equipment

• Electrical shock

Answer explanation

While CO2 extinguishers are safe for electrical fires, there is still a risk of electrical shock if the equipment is not properly de-energized. Additionally, CO2 can cause suffocation in confined spaces, so it’s important to use them with caution.