Author Question: Control joints should be cut into concrete slabs between 4 and 12 hours after concrete placement ... (Read 43 times)

scienceeasy · **on:** Jul 24, 2018

Control joints should be cut into concrete slabs between 4 and 12 hours after concrete placement using a
_____.

a. steel trowel
b. dry-cut saw blade
c. wet-cut saw blade
d. jointing chisel

Question 2

Slip-form paving machines can place pavement at a rate of between _____.

a. 3 to 5 feet per minute
b. 6 to 12 feet per minute
c. 16 to 20 feet per minute
d. 24 to 28 feet per minute