What is the primary function of a fire suppression foam in firefighting?
A. To cool the fire
B. To smother the fire by cutting off oxygen
C. To absorb heat from the fire
D. To neutralize the flammable substance
What is the primary risk of using water to extinguish electrical fires?
A. It can cause short circuits and electrocution
B. It increases the spread of fire
C. It produces toxic fumes
D. It damages firefighting equipment
What is the primary hazard associated with smoke inhalation during a fire?
A. Loss of visibility
B. Toxicity leading to respiratory failure
C. Increase in body temperature
D. Dehydration
Which firefighting technique is used to cool down superheated gases in a confined space?
A. Ventilation
B. Fog attack
C. Direct attack
D. Backdraft prevention
What is the primary role of fire-resistant coatings in building materials?
A. To prevent Ignition
B. To delay structural collapse
C. To reduce smoke production
D. To increase thermal conductivity
Which type of fire extinguisher is most suitable for Class D fires?
A. Water extinguisher
B. Foam extinguisher
C. Dry powder extinguisher
D. Carbon dioxide extinguisher
Answer (2)
Fire suppression techniques involve methods to extinguish or manage fires, with each technique addressing specific fire hazards. The dangers of various firefighting approaches, such as using water on electrical fires or understanding smoke inhalation risks, are also crucial. Additionally, appropriate fire extinguishers and materials play vital roles in fire safety. ;
Fire suppression foam primarily smothers fires by cutting off oxygen. Using water on electrical fires poses risks such as short circuits and electrocution, while smoke inhalation can lead to respiratory failure. Fire-resistant coatings help delay structural collapse in buildings, and dry powder extinguishers are best for Class D fires.
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