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Flashcards in Chapter 7 Deck (27)
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1
Q

What are the six types of wood framed construction.

A
Log Cabin
Post and Frame
Balloon Frame
Platform Frame
Plank and Beam
Truss Frame
2
Q

Balloon frame construction started in ___.

A

1833

3
Q

___ stories are typically the limit for platform-frame construction.

A

3 stories

4
Q

There is one common vertical means of fire spread in both balloon frame and platform frame buildings: the ___.

A

Open stairwell

5
Q

Floor joists in platform frame are usually spaced ___ or ___ inches on center.

A

16” or 24”

6
Q

Platform frame… wood walls, consisting of studs spaced ___ on center.

A

16”

7
Q

The Empire State building weighs ___ pounds per cubic foot.

A

23

8
Q

Modern high-rises weight as little as ___ pounds per cubic foot.

A

8

9
Q

Gusset plates, also known as gang nails, contain a series of small ___ inch teeth.

A

3/8”

10
Q

Truss roofs lack the ___ that is present in legacy construction.

A

Ridge pole

11
Q

CO… ___ ppm can be fatal after a few breaths.

A

12,500 ppm

12
Q

The flammability range of CO is from ___ to ___ %.

A

12.5% to 74%

13
Q

The ignition temp of CO is ___.

A

1,128°F

14
Q

Wooden I-beams are manufactured in lengths up to ___.

A

60 feet

15
Q

Recent tests of wooden I-beams have shown failure in just over ___ minutes.

A

6 minutes

16
Q

Fire stops typically limit ___ movement.

A

Vertical

17
Q

Fire stopping material may consist of at least ___ inch nominal lumber, two thicknesses of ___ inch nominal lumber with broken up lap joints, or ___ in plywood.

A

2 inch
1 inch
23/32”

18
Q

Draft stops, in contrast to fire stops, limit ___ movement.

A

Horizontal

19
Q

Draft stopping may consist of at least ___ gypsum board, ___ plywood, _____, or other approved materials, usually applied parallel to the main framing members.

A

1/2” gyp
3/8” ply
Sheet metal

20
Q

UL subjects pressure treated wood to a test for ___ instead of the usual 10 minutes.

A

30 min

21
Q

Construction in which plywood provides some of the structural strength of the building, particularly in providing resistance to shear stresses, is often described as ___ or ___.

A

“stressed skin”

“diaphragm”

22
Q

Plank like sections of nominal 2 inch boards are glued together under pressure to produce large arches, beams, girders, and columns… Such timbers are known as ___ or ___, a trade name.

A

Laminated timbers

“Glulam”

23
Q

___ is often a misused generic name for any low density fiberboard.

A

Celotex

24
Q

Plywood siding, sometimes referred to as ___ plywood, a trademark of the APE-Engineered Wood Association, is delivered in 4 foot wide sheets, side matched.

A

“T1-11”

25
Q

Longer, thicker shingles are called ___.

A

Shakes

26
Q

Siding… ___ can explode when heated.

A

Asbestos cement shingles

27
Q

Bricks laid with the ends showing are called ___. In a bearing wall, they can be seen usually every ___ rows.

A

Headers

Seventh