Home › CDL Practice Tests › General Knowledge Questions › Question 337

Hazardous Materials Basics

What four pieces of information does a standard placard communicate at a glance?

  • A.Only the carrier name
  • B.The hazard class or division, symbol, color, and the class number (with the UN number shown on or near some placards)
  • C.The driver's name and route
  • D.The price and destination
Correct answer

B. The hazard class or division, symbol, color, and the class number (with the UN number shown on or near some placards)

Why

A placard's color, symbol, and number let a responder identify the type of danger before getting close. For many materials the four-digit UN identification number appears on the placard itself or on an orange panel next to it.

Manual topic: HazMat - Placards · From the General Knowledge practice bank (GK-337).

Practice this subject as a full test

More Hazardous Materials Basics questions