LESSON 1
ANSWERS TO SELF TEST
Permanent buildings, 25 years or more; semipermanent buildings, less than 25 years and more than 5 years;
1.
temporary buildings, 5 years or less (para 1-1).
Drawings or sketches are needed to convey necessary information to the individual who will fabricate the
2.
building (para 1-2b).
A thin (light) line composed of alternate long and short dashes is called a center line and is used to divide
3.
objects into equal or symmetrical parts (para 1-3c).
Architects scales are generally used in scaling drawings for machine and structural work (para 1-4a(1)).
4.
The plan view shows the type, size, and location of mechanical equipment such as heating plant, radiators,
5.
plumbing, and electrical wiring (para 1-5b(8)).
The miter butt joint is used in framing for rafter junctions at roof peaks (para 1-8c).
6.
Joints are connections between two pieces of lumber or timber that come together at an angle (para 1-8).
7.
Splices are connections between two pieces that extend in the same line (para 1-9).
The Army uses mainly softwoods in TO construction (para 1-10a).
8.
Dry rot is the most common and the most dangerous type of wood decay (para 1-13a).
9.
Number 4 common lumber is mostly used for construction of boxes and crates (para 1-16b(4)).
10.
The term board foot means the volume of a board 1 inch thick, 1 foot wide, and 1 foot long (para 1-18a).
11.
Nails are generally considered to be the cheapest, and bolts provide the greatest amount of holding power
12.
(para 1-20a).
Split ring timber connectors are used between two timber faces in heavy construction to increase the joint
13.
strength (para 1-25b(1)).
Column (pier) foundations save time, labor, and material and are used whenever possible in TO construction
14.
(para 1-27).
The sill is the foundation on which all framing structure rests, and it is the basic point of departure for actual
15.
carpentry and joinery activities (para 1-29a).
Girders are needed to support floor joists wherever the width or length of the structure makes it impossible to
16.
use joists over the full span (para 1-30a).
1A-1
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