Skip to main content

Protruding objects

For the "cane range" of protruding wall objects greater than 4", what is the maximum height above the floor allowing visually impaired persons to detect the protrusion when walking either perpendicular or parallel to a wall?
Answer27 inches maximum

ARE 4.0 exam prep: BDCS

Comments

Try These Too!

Structural forces

Choose a term that best identifies the type of force shown in this diagram - A. collinear B. concurrent C. nonconcurrent D. noncoplanar

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°

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