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Flashcards in Chapter 1 Deck (24)
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1
Q

3 factors the fire service is losing that allow us to perform interior operations

A

Safety
Sufficient time for suppression
Time for a relevant building size up

2
Q

3 primary factors that cause FF death and injury

A

It falls on you
You fall into it
Flashover

3
Q

3 Things that reduce FF safety in new construction

A

Lower material Mass
Engineered shapes for structural elements
Better insulation

4
Q

What’s the most important non emergency function we can do?

A

Training

5
Q

When does the foreground clock start?

A

When the first due apparatus sets the parking brake and we go to work

6
Q

What does a working knowledge of building construction provide?

A

Ability to size up and

The foundation for a safe, effective and timely operation

7
Q

Clark County, Nevada

A

Engineered wood- I joists
TIC showed nothing
Degradation was convected Heat

8
Q

What can cause and I joist to fail?

A

Heat alone

9
Q

What 2 things does the author think should be included in the size up?

A

The type of building construction

How long the building has been exposed to fire and heat

10
Q

The passage of time is________and fire is _____

A

Constant, Dynamic

11
Q

What is responsible for creating most loads?

A

Gravity

12
Q

Dead Load

A

The weight of the building itself and permanent attachments

13
Q

Live Load

A

Any load other than Dead load, transient in nature

Impacting or static

14
Q

concentric load

Distributed load

A

Applied to a small area

Spread over a large area

15
Q

Impact load and example

A

Moving or sudden load, wind, large crowds , fire stream

16
Q

Repeated load

A

Transient or intermittent, people on an escalator

17
Q

Static load

A

Constant, rarely moves

18
Q

Suspended load

A

Hanging load

19
Q

Wind/snow load

A

Atmospheric load

20
Q

What types of load are a fire team making a cut on a pitched roof while working from a roof ladder?

A

Live, Impact, and distributed

21
Q

3 ways loads are imposed

A

Axial- through the center

Eccentric-off center

Torsion- causes material to twist

22
Q

Imposed loads, cause ________, and _________ cause ________

A

Stresses, stresses, forces

23
Q

3 primary forces

A

Compression- flatten or crush

Tension- pull apart or stretch

Shear-causes material to tear or slide apart

24
Q

How are most loads delivered? What are 2 exceptions?

A

Compression

Guy wires and tower antennas- tension and shear