Skip to main content

Surface drainage

Which of the following is the maximum slope for a grassed area?
A. 0.5%
B. 2%
C. 2-10%
D. 25%
E. 50%
F. none of the above
AnswerD. 25%. 0.5%=min. for surface drainage, 2%=proper slope away from building, 2-10%=range for drainage ditches, 50%=max. for stable soil with surface cover(rocks, ivy...)

ARE 4.0 exam prep: SPD

Comments

Post a Comment

Try These Too!

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 »

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
Post a Comment
See the answer »

Collector walks

Walks next to parking areas where vehicles are able to overhang the walk should be a minimum width. What is this minimum in feet? A. 3 feet B. 4 feet C. 5 feet D. 6 feet Answer These walks should be 6 ft (D.) minimum in width. ARE 4.0 exam prep: SPD
Post a Comment
See the answer »