PlacardingQuestion 49 of 80

What shape is a hazardous materials placard?

a.A circle
b.A rectangle
c.A square turned on its point (diamond)
d.A triangle

Explanation

Placards are square-shaped signs displayed on a point so they appear as a diamond. This standardized shape makes hazmat placards instantly recognizable. The color and number on the placard indicate the specific hazard.

Practice all 80 questions free — no signup required.

Related questions on this topic

Last reviewed: · editorial process

PrepPass Editorial Team · Verified against CDL Hazardous Materials (H) Endorsement Knowledge Test · How we review
Report