CVOR Dangerous Goods Transportation 2

Question 1

DOT Class 3 hazardous materials are classified as:

Accepted Answer

Flammable liquids

Answer

Explosives

Answer

Corrosive substances

Answer

Toxic gases

Question 2

What is the UN number displayed on hazardous materials labels and placards?

Accepted Answer

A United Nations four-digit identification number for the specific hazardous substance

Answer

A carrier-assigned tracking number

Answer

A universal notice code for border crossings

Answer

A unique notification number assigned by the shipper

Question 3

Radioactive materials are classified under which DOT hazard class?

Accepted Answer

Class 7

Answer

Class 5

Answer

Class 6

Answer

Class 8

Question 4

Which of the following is NOT a required element on a hazardous materials shipping paper?

Accepted Answer

Driver's commercial license number

Answer

Proper shipping name

Answer

Hazard class or division

Answer

UN/NA identification number

Question 5

When transporting flammable liquids (Class 3), which is the most critical safety precaution?

Accepted Answer

Ensure proper cargo ventilation and keep the load away from all ignition sources

Answer

Transport only during daylight hours

Answer

Limit transport to interstate highways only

Answer

Keep cargo temperature above 50°F at all times

Question 6

Which packing group designation indicates the HIGHEST level of danger for a hazardous material?

Accepted Answer

Packing Group I

Answer

Packing Group III

Answer

Packing Group II

Answer

All packing groups represent equal danger

Question 7

What is the Emergency Response Guidebook (ERG) and who primarily uses it?

Accepted Answer

A reference guide used by first responders to safely handle hazmat emergencies

Answer

A carrier registration manual used by motor vehicle departments

Answer

An internal safety manual provided by the shipping company to the driver

Answer

A federal inspection checklist used during roadside audits