Q
What does a blue placard indicate?
Hazardous Materialseasy
AFlammable materials
BDangerous when wet materials
CCorrosive materials
DMaterials dangerous when wet
Detailed Explanation
A blue placard indicates Class 4.3 materials that are dangerous when wet, as they can produce flammable gases when in contact with water.
Correct Answer: Dangerous when wet materials
Ready to practice for real?
Take our free, full-length Hazardous Materials practice test. Simulates the actual DMV exam with timed questions.
Start Practice TestRelated Questions
When is placarding required for hazardous materials?
hazmateasy
When can you leave your vehicle unattended while carrying hazardous materials?
hazmateasy
What does a red placard with a flame symbol indicate?
hazmateasy
Which hazard class represents radioactive materials?
hazmateasy
How often must HazMat endorsements be renewed?
hazmatmedium