Firefighting Operations Quiz 13

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Questions and Answers

Defensive firefighting operations are conducted from which location?

exterior

What does the C stand for in the acronym SLICERS?

Cool the space from the safest location

A combination fire attack begins with:

an indirect attack

The use of master streams on a building should be prohibited if:

<p>crews are working inside the building</p> Signup and view all the answers

Operations are conducted from inside of the fire building in which operational mode?

<p>offensive</p> Signup and view all the answers

Which type of attack is used when the main objective is to protect exposures?

<p>Defensive</p> Signup and view all the answers

Portable monitors, deck guns, and ladder pipes are examples of:

<p>master stream devices</p> Signup and view all the answers

In a direct attack, water should be applied until:

<p>all visible flame is extinguished</p> Signup and view all the answers

From a doorway, a crew directs a hose stream at the ceiling of a burning room. This is a(n) __________ attack.

<p>indirect</p> Signup and view all the answers

How should firefighters approach a vehicle fire?

<p>45-degree angle from the side</p> Signup and view all the answers

What is a BLEVE?

<p>Flammable liquid vessel rupture and explosion due to external heating</p> Signup and view all the answers

Studies by NIST and UL have determined that the movement of fire through a structure is dependent primarily on:

<p>Flow path</p> Signup and view all the answers

Which fire-extinguishing agent would be the best choice for use on delicate electronic equipment?

<p>carbon dioxide</p> Signup and view all the answers

Peeling or bubbling paint is an indicator of:

<p>concealed fire</p> Signup and view all the answers

Which hazard presents the greatest risk for a fire in a modern vehicle?

<p>components containing pressurized gas</p> Signup and view all the answers

Which statement more accurately describes a transitional attack?

<p>an offensive attack initiated from the exterior of the structure</p> Signup and view all the answers

What does the E stand for in the acronym SLICERS?

<p>Extinguish the fire</p> Signup and view all the answers

If there is no life-safety hazard, which type of fire attack should be used in a building that has no doors or windows?

<p>Defensive</p> Signup and view all the answers

Which hazardous material is commonly found in vehicle batteries?

<p>sulfuric acid</p> Signup and view all the answers

Which special hazard is unique to hybrid vehicles?

<p>High-voltage components</p> Signup and view all the answers

Where should streams be directed to prevent a BLEVE?

<p>At the area where the tank is being heated</p> Signup and view all the answers

Which is an advantage of a straight stream over a fog stream?

<p>longer reach</p> Signup and view all the answers

Which type of stream is most likely to disrupt thermal balance?

<p>Fog</p> Signup and view all the answers

Class _____ extinguishing agents should be used on electrical equipment fires.

<p>C</p> Signup and view all the answers

What is the correct method to stop the flow of gas delivered via utility pipeline into a structure?

<p>Turn off the valve at the meter</p> Signup and view all the answers

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Study Notes

Firefighting Operations

  • Defensive firefighting operations are conducted from the exterior of the building.
  • Offensive operations take place inside the fire building.

SLICERS Acronym

  • In SLICERS, C stands for "Cool the space from the safest location."
  • E stands for "Extinguish the fire."

Fire Attack Techniques

  • A combination fire attack begins with an indirect attack.
  • A defensive attack is utilized primarily to protect exposures.
  • A direct attack involves applying water until all visible flames are extinguished.

Equipment and Techniques

  • Master stream devices include portable monitors, deck guns, and ladder pipes.
  • Firefighters should approach a vehicle fire from a 45-degree angle to minimize risk.
  • A straight stream has the advantage of longer reach over a fog stream.

Specific Situations and Hazards

  • Use of master streams is prohibited when crews are working inside a building.
  • Bleve refers to the rupture and explosion of a flammable liquid vessel due to external heating.
  • High-voltage components are a unique hazard in hybrid vehicles.
  • Components containing pressurized gas present the greatest risk for fire in modern vehicles.
  • Sulfuric acid is commonly found in vehicle batteries.

Indicators of Fire

  • Peeling or bubbling paint indicates the presence of a concealed fire.
  • For structures without doors or windows, a defensive fire attack should be employed if there are no life-safety hazards.

Safety and Emergency Management

  • The flow path is the primary factor influencing fire movement through a structure, as determined by studies from NIST and UL.
  • Streams should be directed at the area where a tank is being heated to prevent a BLEVE.
  • Class C extinguishing agents are necessary for fires involving electrical equipment.
  • To stop gas flow from a utility pipeline into a building, turn off the valve at the meter.

Thermal Dynamics

  • An indirect attack occurs when water is directed at the ceiling from a doorway, aimed at cooling the upper part of the room.
  • Fog streams are most likely to disrupt thermal balance within a fire environment.

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