Skip to main content

Flame spread ratings

Interior finishes for walls and ceilings are subject to testing requirements for flame spread and for smoke developed. The Steiner Tunnel Test is alternatively identified as which testing methods (choose 3):
A. ASTM E84, B. UL 723, C. NFPA 253, D. NFPA 255, E. ASTM E662




Answer is ABD: all refer to standardized Steiner Tunnel Tests developed by the major North American standard writing organizations. C & E are related to floor finish testing criteria.

are-review.blogspot.com

Comments

Try These Too!

Cantilevered beam

The bending moment in a cantilevered beam is negative. Which of the following statements are true? A. the top fibers are in compression B. the bottom fibers are in compression C. rebar placement should be either at the top or the bottom D. gravity loads are not a factor for negative moment Answer B. the bottom fibers are in compression in a cantilevered beam, so top fibers are in tension which requires rebar placement at the top to resist tension. ARE 4.0 exam prep: SS

Townships double post!

How many sections are contained within a township? Answer 36 (each is 1 mile square) What are the dimensions of 1/2 of a township? H & W Answer 18 miles square (3x6 sections) ARE 4.0 exam prep: SPD

Moisture content in wood

The amount of shrinkage, weight, strength, and withdrawal resistance of nails is affected by the moisture content in wood. Wood that is grademarked kiln dry has a maximum moisture content of: A. 15% B. 19% C. 25% D. 30% Answer A. 15%. Dry lumber moisture content cannot exceed 19%. ARE 4.0 exam prep: SS