Fire Behavior Flashcards

0
Q

When does flashover occur?

A

Between the growth and fully develop stages

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1
Q

This is the stage a fire at which all surfaces and objects within a space has been heated to their ignition temperature and simultaneously ignite all surfaces and objects in the space.

A

Flashover

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2
Q

When do backdraft conditions typically exist?

A

In the decay stage after the fire compartment has consumed all available oxygen

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3
Q

This is observed when flames present and layers of smoke as a result of heated gases that are pushed under pressure from the fire area into uninvolved areas?

A

Rollover

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4
Q

This is the layering of smoke and gas clouds?

A

Stratification

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5
Q

What are the four stages of fire growth?

A

Incipient
Growth
Fully developed
Decay

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6
Q

Rollover should serve as a warning that the fire area may be reaching what point?

A

Flashover

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7
Q

During this stage, fire develops and rollover is often seen in the adjacent compartment?

A

Growth stage

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8
Q

Effective engine company operations rely on the company’s ability to do what?

A

To advance to and extinguish the seat of the fire and all other areas of fire extension inside and outside the structure

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9
Q

When should ventilation needs be identified?

A

When the fire officer complete their size up

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10
Q

What does proper ventilation decrease The likelihood of?

A

Flashover or rapidfire development event any creases the life safety factor of all occupants and firefighters within the fire structure

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11
Q

In most situations what should be in place prior to ventilation?

A

A charged hoseline

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12
Q

When using hydraulic ventilation the host rain should cover what percentage of the opening?

A

80%

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13
Q

Using this type of ventilation technique the conditions within the compartment improves and increases visibility to enable the engine company to improve their environment?

A

Hydraulic ventilation

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14
Q

What are the fire ground principles of smoke?

A

Smoke is potential fuel

Smoke density and color together or an indicator of the flammability

Velocity and pressure or indicators of heat and flowpath

Volume is a indicator of fire intensity

All of the above indicators for a incident profile regarding the location, status, and extent of fire

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15
Q

Smoke color is an indicator of what two things?

A

What is burning

Flammability of the smoke

16
Q

What two things does velocity of smoke indicate

A

General location of the heat source

The fires current flow path

17
Q

What is the best way for firefighters to maintain their personal safety?

A

Recognizing a change in the smoke conditions by identifying, reacting, and preventing flashover or rapidfire progression

18
Q

This is the general plan or course of action decided upon to reach the objectives?

A

The strategy

19
Q

These are the specific actions employed to fill the strategy?

A

Tactics

20
Q

What is the primary focus of any incident?

A

Rescue of life