Al Sahraa Group Fireman Interview Questions, Process, and Tips

SCBA is used by firefighters to provide breathable air in hazardous environments.

• Provides breathable air in smoke-filled environments

• Protects against toxic gases and chemicals

• Allows firefighters to work in oxygen-deficient atmospheres

• Essential for firefighting in confined spaces

Foam is the media used to extinguish oil fires.

• Foam is effective in smothering the fire by cutting off the oxygen supply.

• Foam also helps to cool down the fire and prevent reignition.

• Examples of foam extinguishing agents include AFFF (Aqueous Film Forming Foam) and AR-AFFF (Alcohol-Resistant Aqueous Film Forming Foam).

Dividing breach is used for controlling and containing fire in a specific area.

• Dividing breach is used to prevent the spread of fire to other areas.

• It helps in creating fire breaks to control the direction of the fire.

• Dividing breach can be created using fire-resistant materials such as concrete barriers or firewalls.

An electric fire should be extinguished using a Class C fire extinguisher.

• Use a Class C fire extinguisher specifically designed for electrical fires.

• Do not use water or other conductive materials as they can cause electric shock.

• Ensure the power source is turned off before attempting to extinguish the fire.

• Examples of Class C fire extinguishers include CO2 extinguishers and dry chemical extinguishers.

The pressure of a fire hose is typically measured in bars, with the exact pressure depending on the specific fire hose and situation.

• The pressure of a fire hose can range from 7 to 17 bars, with higher pressures typically used for larger fires or longer distances.

• For example, a standard fire hose may have a pressure of around 10 bars, while a high-pressure hose used for industrial fires may have a pressure of 15 bars.

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