ANSWERS TO SELF TEST
Permanent buildings, 25 years or more; semipermanent buildings, less than 25 years and more than 5 years;
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
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
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)).
The plan view shows the type, size, and location of mechanical equipment such as heating plant, radiators,
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).
Joints are connections between two pieces of lumber or timber that come together at an angle (para 1-8).
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).
Dry rot is the most common and the most dangerous type of wood decay (para 1-13a).
Number 4 common lumber is mostly used for construction of boxes and crates (para 1-16b(4)).
The term board foot means the volume of a board 1 inch thick, 1 foot wide, and 1 foot long (para 1-18a).
Nails are generally considered to be the cheapest, and bolts provide the greatest amount of holding power
Split ring timber connectors are used between two timber faces in heavy construction to increase the joint
strength (para 1-25b(1)).
Column (pier) foundations save time, labor, and material and are used whenever possible in TO construction
The sill is the foundation on which all framing structure rests, and it is the basic point of departure for actual
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
use joists over the full span (para 1-30a).