Engine Co Flashcards

1
Q

What are the components of the fire tetrahedron?

A

Oxygen, Heat, Fuel, Chain Reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Flashover

A

All surfaces and objects within a space have been heated to their ignition temperature and simultaneous ignition of all surfaces and objects in the space occurs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Backdraft

A

Additional oxygen is introduced into a smoldering fire as heated gases enter their flammable range and ignite with explosive force.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Rollover

A

Flames present in layers of smoke as a result of heated gases that are pushed under pressure from the fire area into uninvolved areas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Thermal Layering

A

Tendency of gases to form into layers according to temperatures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which stage of fire development is defined as: heat, oxygen, and a fuel source combine and have a chemical reaction resulting in fire.

A

Incipient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which stage of fire development is defined as: the fire increases in size from small flames to full fire that involves the entire room.

A

Growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which stage of fire development is defined as: fire continues to burn until the available fuel and oxygen in the room or area is consumed or extinguished.

A

Fully Developed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which stage of fire development is defined as: occurs once all available oxygen is consumed.

A

Decay

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Rollover should serve as a warning that…

A

The fire may be reaching the point of flashover

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The increased HRR of modern materials results in:

A

Flashover happening quicker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the initial hoseline positioning for hydraulic ventilation?

A

2’ away from a window with a fog pattern covering 80% of the opening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which factors determine the effectiveness of hydraulic ventilation?

A

Distance from opening and pattern used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

White/Grey smoke is indicative of:

A

Moisture or early stage incipient Class A fire Too lean to contribute to fuel load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Grey smoke is indicative of:

A

Early stage incipient/free burning fire with Class A and B fuel sources Smoke possibly reaching the LEL level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Grey/Black or Brown smoke is indicative of:

A

Fully developed fire with Class A and B fuel sources that is most likely ventilation-limited Smoke is in the flammable range and subject to burn if heat is available

17
Q

Black/Brown smoke is indicative of:

A

Fully developed or decaying stage fire that is extremely ventilation-limited Smoke is typically too rich to burn

18
Q

The first “E” in RECEO VS stands for?

A

Exposure

19
Q

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

A

Strategy

20
Q

specific actions employed to fulfill a strategy.

A

Tactics

21
Q

the primary focus of any incident

A

Rescue of life

22
Q

The primary goal of the exposure line

A

Minimize fire spread and stay ahead of the fire

23
Q

Where should overhaul start?

A

In void spaces and closest to the fire, working towards unburned side

24
Q

The introduction of ANY additional ventilation into a structure will increase fire intensity and fire spread.

T or F

A

True

25
Q

Before ventilation takes places which of the following must be answered?

A

Location of fire
Location of hoseline
Current ventilation status

26
Q

when are salvage measures implemented?

A

After initial knockdown but before extension and overhaul operations and performed

27
Q

C.A.N. stands for?

A

Conditions, Alarms and Needs

28
Q

Locating a fire inside of a building is the responsibility of______________

A

Engine Company Officer

29
Q

The most reliable indicator to a fire’s location is smoke___________

A

Velocity

30
Q

When smoke is encountered floor to ceiling, companies must___________

A

Check the floor below

31
Q

The upper range of temperature tenable for humans is_________

A

212F

32
Q

The primary cause of fire related death is___________

A

carbon monoxide inhalation