Author Question: When stacking materials such as bricks or block, do not stack materials beyond a _____. a. 3:1 ... (Read 24 times)

SO00 · **on:** Jul 24, 2018

When stacking materials such as bricks or block, do not stack materials beyond a _____.

a. 3:1 height-to-base ratio
b. 4:1 height-to-base ratio
c. 5:1 height-to-base ratio
d. 10:1 height-to-base ratio

Question 2

When placing a ladder against a platform or roof, the top of the ladder should extend above the point where
the ladder touches the platform or roof by at least _____.

a. 2 feet (61 cm)
b. 3 feet (91 cm)
c. 4 feet (1.2 m)
d. 5 feet (1.5 m)