CSCS Fire Safety and Emergency 4

Question 1

Which type of extinguisher is MOST suitable for a fire involving a computer server room?

Accepted Answer

CO2

Answer

CO2 extinguishers are ideal for electrical fires because they leave no residue and do not conduct electricity.

Question 2

What should a construction worker do if their clothing catches fire?

Accepted Answer

Stop, drop, and roll

Answer

Stop, drop to the ground, and roll to smother the flames — running fans the fire and makes burns worse.

Question 3

Fire doors on a construction site should be:

Accepted Answer

Kept closed at all times unless in use

Answer

Fire doors must be kept closed to prevent smoke and fire from spreading between compartments of a building.

Question 4

What is the primary purpose of compartmentalization in building fire safety?

Accepted Answer

To contain fire and smoke and slow their spread

Answer

Compartmentalization uses fire-resistant walls, floors, and doors to contain fire and smoke to specific areas, limiting spread and aiding evacuation.

Question 5

Before using a fire extinguisher, a worker should check that:

Accepted Answer

The escape route behind them is clear

Answer

Always ensure your escape route is clear before attempting to fight a fire so you can retreat safely if the fire grows.

CSCS - Construction Skills Certification Scheme Practice Test