Skip to main content

Fastener pennyweight

Originally British, the term pennyweight used to denote the number of nails (1000) that one could purchase for a penny. Which type of nail designated 10d (ten penny) will provide greater strength?

A. Box
B. Common
C. Cooler
D. None of the above

AnswerB. Common. 10d common nails are 0.148 in. diameter, whereas 10d box nails are 0.128 in. dia., providing 80% less strength. 10d cooler nails are 0.120 in. dia., slightly shorter than the first two, providing the least strength.

ARE 4.0 exam prep: BDCS

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