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!

Wood stairs

In wood stair construction, what is the difference between a carriage and a stringer?! Answer A carriage is the principle support for the treads and risers, whereas the stringer is the finish member (face) that treads and risers terminate against. ARE 4.0 exam prep: BDCS

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred

Brick bonds

What distinguishes the English Bond pattern from the Dutch Bond pattern in this image? Answer In the English Bond, stretchers are aligned; In the Dutch (cross), stretchers move by a half each course (not aligned). ARE 4.0 exam prep: BDCS