Skip to main content

Masonry joints

If a solidly-filled collar joint is specified in a multi-wythe wall consisting of a 4-inch nominal outer wythe of brick and a 4-inch inner wythe of CMU, what should the collar joint width ideally be?
A. 1/2" - 3/4", B. 3/4" - 1"
C. 1" - 1 1/2", D. 1 1/2" - 2"

D. is the best answer. Although MSJC permits 1 inch collar joints, they should be wide enough to allow a high-slump grout to fill the void, around mortar extrusions in the cavity.
are-review.blogspot.com

Try These Too!

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°
Post a Comment
See the answer »

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
Post a Comment
See the answer »

Floor receptacles

To qualify as one of the required power receptacles in a dwelling, according to NEC, what is the maximum distance from the wall that this recessed or surface-mounted floor receptacle close to an exterior wall may be? Answer Less than or equal to 18 inches. Additional requirements apply, such as approved floor box housing, cover... ARE 4.0 exam prep: BS
Post a Comment
See the answer »