What is a transitional attack in firefighting?

An Offensive fire attack initiated by an exterior indirect handline operation, into the fire compartment, to initiate cooling while transitioning into interior direct fire attack in coordination with ventilation. operations.

What happens during a transitional attack?

Transitional attack is currently more about attempting to catch up to the interior attack, instead of improved stream usage and gaining a knock down of the fire. While transitional attack will always have you crossing the entry door later than an interior attack, you must maximize the effectiveness of your choice.

What is transition mode in fire fighting?

A marginal or transitional attack is used to focus tactics on saving lives. In a transitional attack, hose lines are used to protect crews for rescue support, not for fire extinguishment. The purpose is to accomplish a known rescue and get out, which may force a change in the two-in-two-out thinking mentality.

What are the 3 types of fire attack?

Fire Fighting Techniques

  • Fog Attack. The hose uses a fog setting to extinguish a fire – ideal for closed compartment fires where there is no wind. …
  • Indirect Attack. Aimed at the ceiling, the water drops down and extinguishes the fire from above. …
  • Direct Attack. …
  • Combination Attack. …
  • The ‘Two Lines in’ Method.
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When attacking a vehicle fire crews should?

When attacking a vehicle fire, crews should: Approach at a 45-degree angle from the side of the vehicle. Which type of alternative vehicle fuel has a flame that is invisible during the day and should be allowed to burn itself out?

When conducting a transitional attack on an attic fire streams should be directed through the?

Which is another term for liquefied petroleum gas? When conducting a transitional attack on an attic fire, streams should be directed through the: A. soffit vents.

What does Slicers stand for?

Before we answer the question, a little background: SLICE-RS is an acronym that outlines the latest firefighting tactics. It stands for Size-up, Locate the fire, Isolate the flow path, Cool from a safe distance, Extinguish, Rescue and Salvage at any time in the process.

Which is the minimum flow from a large handline?

On a large scale, the American fire service has adopted a minimum initial attack handline flow of 150 gallons per minute (gpm) for an aggressive interior attack in residential structure fires.

What is high expansion foam usually used for?

High Expansion foam is suitable for use in combating fires in buildings, process areas, warehouses, and aircraft hangar systems. High expansion foam systems can be used for protection of LNG storage areas by quickly blanketing the flammable liquid surface and helping to control vapor release.

What happens during a transitional attack quizlet?

What happens during a transitional attack? An offensive operation is performed from the exterior. The building of origin is considered unsavable. Opposing hose lines are used in a coordinated attack.

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What are the four basic modes of fire attack for structural firefighting?

There are four basic modes of fire attack for structural firefighting: offensive, defensive, offensive/defensive and defensive/offensive.

Which firefighting attack is successful?

Direct attack, if successful, has obvious immediate benefits. Line building is more subtle in its use. Although fuel treatment alone can sometimes extinguish the fire, these fires are also suppressible in direct attack.

What is indirect attack?

An indirect attack is defined as the building of impermeable fireline along a pre-determined route, independent of the direction or pattern of simulated fire growth. This line is not meant to contact the active fire front until after line construction is finished.

What is Republic Act No 9514?


Can fog put out a fire?

With water, use a fog nozzle. Fog performs a smothering function on the flaming gases by occupying air space with millions of finely divided particles of water. … Foam is more effective than water alone. It smothers the fire by completely coating the fuel with water in the form of foam.