Skip to main content

Roof pitch


Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof?
A. 45°
B. 36.87°
C. 33.69°
D. 26.57°




Answer is C. 33.69° equals an 8 inches of rise for every 12 inches or horizontal projection. A=12:12, B=9:12, D=6:12

Resource Tip: Here's a handy roof pitch calculator and reference table.
are-review.blogspot.com

Comments

Try These Too!

Interior Glazing

Safety glazing (tempered glass, laminated glass or impact resistant plastic) is not required at this interior window (18sf glazed area). Which of these satisfies conditions for using non-safety glazing? A. Within 36 inches horizontally of a walking surface B. Bottom edge is less than 60" above the plane of the adjacent walking surface C. 1 1/2 in protective bar between 34 and 38 inches on accessible side D. Exposed area of the pane is greater than 9 sf Answer C. 1 1/2 inch protective bar between 34-38 inches on accessible side. In this case, safety glazing is not required. ARE 4.0 exam prep: BDCS

Heat gain calculation

Which lighting produces a 654.72 Btu/hr heat gain? A. 4x 40 watt fluorescent bulbs B. 2 x 75 watt incandescent C. 12 x 12 watt LEDs Answer (1 watt = 3.41 Btu/hr) A. 4x40 watts x 1.2 (for ballast) x 3.41 Btu/hr ARE 4.0 exam prep: BS

Truss types

Like the diagonal web members in a Pratt truss, the vertical web members in a Howe truss are in: A. tension B. compression Answer A. tension