Chapter 7

Question 1

What is the relationship of nominal size to actual dimension in solid lumber

Answer 1

Nominal is larger than actual

Question 2

At what interval must the brick veneer be tied to the wood frame walls

Answer 2

16 inches (400 mm)

Question 3

Which of the following can parallel strand lumber be used for

Answer 3

heavily loaded columns

Question 4

Below what temperature does pyrolysis begin

Answer 4

392 degrees F ( 200 degrees C)

Question 5

What is the direction of the grain of adjacent veneers in plywood?

Answer 5

At right angles to each other

Question 6

What is installed on the outside of the studs to provide structural stability and an underlay for the siding

Answer 6

sheathing

Question 7

Which provides the exterior cladding of a wood fame building

Answer 7

Siding

Question 8

Which makes use of a short circular piece of steel within and between two adjacent wood members to transfer the load between the members

Answer 8

split ring truss

Question 9

Which of the following causes of deterioration is unique to wood

Answer 9

Insects

Question 10

How far apart are the post usually spaced in post and beam framing

Answer 10

4 to 12 feet (1.3 m to 4 m)

Question 11

Which cannot be used to join laminated members when tensile forces will be transmitted along the length of the beam

Answer 11

Butt joint

Question 12

Which of the following is not a disadvantage to the use of wood in building construction

Answer 12

wood shrinks uniformly

Question 13

What determines the extent to which the presence of foam insulation in a wood frame wall will increase fire spread within the wall?

Answer 13

Existence of an air space

Question 14

What is generally the maximum number of stories of a wood structure

Answer 14

three

Question 15

What does the construction of a platform frame building begin with

Answer 15

Wood sill being attached to the foundation

Question 16

On the basis of strength to unit weight, which material is wood’s tensile strength comparable to

Answer 16

Steel

Question 17

In which area is ignition resistant construction beginning to take place

Answer 17

Urban-wildland interface

Question 18

What fire resistance rating must be achieved for a wood frame building to be classified as Type V-A

Answer 18

1 hour

Question 19

What is the minimum size of the columns in heavy timber framing

Answer 19

8 x 8 inches (200 mm x 200 mm)

Question 20

What is the total amount of thermal energy that could be released if the fuel were completely burned

Answer 20

Heat of combustion

Question 21

Which is the most common type of wood framing

Answer 21

Light wood framing

Question 22

Fire within what type of insulation material will progress in a slow smoldering manner

Answer 22

Granulated rock wool

Question 23

Which type of phenomenon is the combustion of wood

Answer 23

Surface alone

Question 24

How many different directions is it possible for fire to spread where truss joists are used in floor construction

Answer 24

Four

Question 25

In balloon frame construction where do the exterior wall studs run

Answer 25

Foundation to the roof

Question 26

Which of the following is used when energy efficiency is desired

Answer 26

Composite panel

Question 27

What is the minimum nominal thickness of a timber

Answer 27

5 inches (125 mm)

Question 28

Which interior finish material is most commonly used when a degree of fire resistance is required

Answer 28

Gypsum board

Question 29

What is the maximum moisture content of structural lumber

Answer 29

19 percent

Question 30

What would the fire retardant treated plywood of the 1980 react with under conditions of elevated temperature which resulted in the wood becoming brittle

Answer 30

Moisture in the air

Question 31

What are the initial products of pyrolysis

Answer 31

Water and carbon dioxide

Question 32

Which type of connection is most likely to be seen in heavy timber construction

Answer 32

Bolts

Question 33

What size area are attic spaces usually required to be subdivided into in combustible construction

Answer 33

3,00 square feet (278.7 sq.m)

Question 34

What happens to the fire retardant wood when it is exposed to heat?

Answer 34

Chars

Question 35

Which material can be used to make the flanges of an I beam

Answer 35

Solid wood lumber

Question 36

What is eliminated with post and beam framing?

Answer 36

Combustible voids

Question 37

What nominal size members are used to make up light frame trusses

Answer 37

2 inch (50 mm)

Question 38

Which of the following is typically used for short span beams and columns

Answer 38

Laminated strand lumber

Question 39

When did ballon framing begin to lose favor in the construction industry

Answer 39

1920's

Question 40

Which is used in the flooring of manufactured and mobile homes

Answer 40

Waferboard

Question 41

What are the flat strips of wood used to make laminated wood joined together with?

Answer 41

Glue

Question 42

How many layers of strand like wood particles are glued together to make oriented strand board

Answer 42

Three to five

Question 43

What is the main advantage of thermoplastic composite lumber

Answer 43

resistance to weathering