5-13.
5-14.
5-15.
5-16.
5-17.
5-18.
Which type of lumber is primarily
graded by its allowable stresses?
1.
Factory
2.
Structural
3.
Shop
4.
Yard
To find the board foot measurement
of lumber, what formula should you
use?
When computing the amount of board
feet in a dressed 2- by 4-inch
board, which of the following
dimensions should you use?
1.
1 3/4 by 3/4 in
2.
2
by 4
in
3.
1 5/8 by 3 5/8 in
4.
1 7/8 by 3 5/8 in
When you are laminating lumber, how
are the laminations (pieces)
fastened together?
1.
Nailed and glued together, with
the grain of all pieces running
perpendicular
2.
Nailed or glued together, with
the grain of all pieces running
parallel
3.
Nailed, bolted, or glued
together,
with the grain of all
pieces running perpendicular
4.
Nailed, bolted, or glued
together,
with the grain of all
pieces running parallel
Which of the following
characteristics applies to plywood?
1.
Punctureproof
2.
Resists splitting
3.
Pound for pound one of the
strongest materials available
4.
Both 2 and 3 above
Plywood is used for which of the
following purposes?
1.
Formwork
2.
Sheathing
3.
Furniture
4.
Each of the above
5-19.
What are the two most common sizes
of plywood sheets available for use
in construction?
1.
3 by
6 ft and 4 by
8 ft
2.
4 by
8 ft and 4 by 10 ft
3.
4 by 8 ft and 4 by 12 ft
4.
4 by 10 ft and 4 by 12 ft
5-20.
How are plywood panel grades
generally designated?
1.
By the grade of veneer on
the face only
2.
By the kind of glue only
3.
By the grade of veneer on
the face and back only
4.
By the kind of glue and the
grade of veneer on the face and
back
IN ANSWERING QUESTION 5-21, REFER TO FIGURE
6-6 IN YOUR TEXTBOOK.
5-21.
What plywood veneer grade allows
knotholes up to 2 1/2 inches in
width and under certain conditions
up to 3 inches?
1. A
2. B
3. D
4. N
5-22.
When index numbers 48/24 appear on a
grading identification stamp, what
does the number 24 represent?
1.
Minimum on-center spacing of
supports for subfloors
2.
Maximum on-center spacing of
supports for roof decking
3.
Maximum on-center spacing of
supports for subfloors
4.
Maximum on-center spacing of
supports for wall studs
5-23.
Which of the following types of
plywood panels is/are recommended
for use in cabinets?
1.
Standard plywood sheathing
2.
Decorative panels only
3.
Overlaid panels only
4.
Decorative panels and overlaid
panels
5-24.
Which of the following types of wood
substitutes provides good fire
resistance?
1.
Fiberboard
2.
Gypsum wallboard
3.
Particleboard
4.
Hardboard
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