Ch. 7 Wood Frame Construction

Question 1

A ________ is supported by the frame and has curtain walls

Answer 1

Framed building

Question 2

the load of the entire structure is carried on the walls

Answer 2

Wall bearing

Question 3

Lumber with tongue and grooves at the ends

Answer 3

End matched lumber

Question 4

Heavy timber is greater than ________ inches wide

Answer 4

8

Question 5

use of solid wood members instead of lightweight wood trusses

Answer 5

Legacy construction

Question 6

tongue and grooved lumber

Answer 6

Matched lumber

Question 7

Board made of layers of strands of wood cut from logs, at a fairly constant width two length ratio

Answer 7

Oriented Strand Board (OSB)

Question 8

narrow rough strips of wood nailed to studs

Answer 8

Wood lath

Question 9

Balloon frame buildings have structural ________ from top to bottom

Answer 9

Continuity

Question 10

A common means of flames spread in balloon frame and platform frame buildings is the ________

Answer 10

Open stairwell

Question 11

Headers are on the ends and trimmers are along the lengths of ________

Answer 11

Floor openings

Question 12

A peaked roof is built of rafters and a _____

Answer 12

Ridge board (ridge pole)

Question 13

_____ give a roof a variety of slopes and shapes

Answer 13

Hips and valleys

Question 14

Trusses are most often used as _____

Answer 14

Beams

Question 15

Trussed columns can be seen in high energy transmission lines and _____

Answer 15

radio towers

Question 16

During a fire, the presence of truss floors may be disclosed by smoke or fire pushing through the wall at the _____

Answer 16

floor line

Question 17

Wood truss roofs lack a _____ so you can’t hang a roof ladder on a beam, only roof deck sheathing

Answer 17

Ridge pole

Question 18

Ventilation of a wood truss roof must be performed using an _____

Answer 18

Aerial device (Don’t walk on the roof)

Question 19

Solid floor joists act as fire stops but _____ do not

Answer 19

Trusses

Question 20

Voids are almost invariably interconnected horizontally and vertically by _____ pathways

Answer 20

Utility

Question 21

The flammability range of carbon monoxide is from 12.5% to _____

Answer 21

74%

Question 22

Newer I shaped wooden beams are 2X4” flanges and _____ for the web

Answer 22

OSB (Oriented strand board)

Question 23

Often, cut off ends of _____ are used as fire stopping

Answer 23

I-Beams

Question 24

Wood I joists and _____ are considered to be the most dangerous of all structural members to firefighters.

Answer 24

lightweight wood trusses

Question 25

_____ is engineered construction in which the roof and floor trusses and studs are tied into a unitized frame

Answer 25

Truss frame

Question 26

_____ is often required by code to be installed to prevent the spread of fire

Answer 26

Fire stopping

Question 27

_____ typically limit the vertical movements through relatively small-concealed passages such as under stairs and inside walls.

Answer 27

Fire stops

Question 28

_____ limit horizontal movements through large concealed passages such as open web floor trusses or attics

Answer 28

Draft stops

Question 29

_____ fire stopping comes as a result of normal building construction

Answer 29

Inherent

Question 30

_____ fire stopping is installed to meet the requirements of a code.

Answer 30

Legal

Question 31

In multiple unit dwellings, the recommended location for fire stopping is along the tenant separations so that the entire floor– ceiling area, above / below the unit on fire, is a _____

Answer 31

Collapse area

Question 32

Woods can be made fire retardant by impregnation with mineral salts, which _____ its rate of burning.

Answer 32

Slow

Question 33

_____ can significantly reduce wood’s flame spread

Answer 33

Pressure treatment

Question 34

Treated wood will burn, but a _____ rate

Answer 34

Slower

Question 35

_____ coatings swell up when heated

Answer 35

Intumescent

Question 36

A basic problem with plywood exposed to fire is that it _____ which increases the surface area and the rate of heat release

Answer 36

Delaminates

Question 37

_____ burn like solid heavy timbers and do not delaminate like plywood

Answer 37

Laminated timbers

Question 38

_____ is the covering that is applied to the studs or framing of a structure

Answer 38

Sheathing

Question 39

A common method of ignition of low-density fiberboard is a _____

Answer 39

Plumber’s torch

Question 40

Wood shakes are larger than wood _____

Answer 40

Shingles

Question 41

Roofing materials are classified as A, B or C. The least fire resistant is _____ rated

Answer 41

C