1. what is the norminal demension of a standard brick?
a. 2 1/4"
b. 3 3/14"
c. 7 1/4"
d. 8"
2. If one unit of board measure (BM) is equivalent to a 1-foot lengh of a _____board.?
a. 1*6
b. 1*12
c. 2*4
d. 2*6
3. board measures calculations ___ use the dressed demensions of the lumber.
a. occasionally
b. usually
c. always
d. never