The formula for determining the area of a trapezoid is:
Select the single best answer:
A. [(Base1 + Base2) ÷ 2] x Height
B. ½ Base x Height
C. Base x Height
D. 𝜋𝜋𝑟𝑟 (pi r squared) -correct ans-[(base1+base2) / 2] * height
The formula for determining the area of a triangle is:
Select the single best answer:
A. 𝜋𝜋𝑟𝑟 (pi r squared)
B. [(Base1 + Base2) ÷ 2] x Height
C. Base x Height
D. ½ Base x Height -correct ans-D. ½ Base x Height
The formula for determining the area of a circle is:
Select the single best answer:
A. ½ Base x height
B. 𝜋𝜋𝑟𝑟 (pi r squared)
C. [(Base1 + Base2) ÷ 2] x Height
D. Base x Height -correct ans-B. 𝜋𝜋𝑟𝑟 (pi r squared)
"On-center" is a term to describe the distance from the center of one framing member to the center of
the next framing member, i.e., studs, joist, rafters.
, TrueFalse -correct ans-True
Select the False statement:
Select the single best answer:
A. Plywood, oriented strand board (OSB), fiberboard, and rigid insulating panels are widely used for
sheathing.
B. Wall sheathing reinforces the wall framing.
C. Sheathing adds rigidity, strength and some insulating qualities to the wall of a structure.
D. Sheathing provides a flat surface backing for other products, such as siding.
E. The thickness of the sheathing has no affect on the cost of the material. -correct ans-b. Wall sheathing
reinforces the wall framing.
Which of the following components is not a part of a roof truss?
Select the single best answer:
A. Top Chord
B. Bottom Chord
C. Web
D. Bird's Mouth
E. Gussets -correct ans-Birds Mouth
Spaced (open) sheathing is normally used with composition shingles.
TrueFalse -correct ans-
Composition shingles can be purchased in bundles which could be ⅓ square or ¼ square.
TrueFalse -correct ans-True
Blanket insulation is an uncut roll of insulation cut to length at the job site. It is used in walls and attics,
and may or may not have a backing material.