CDL - Commercial Driver's License Hazmat Practice Test 1

Question 1

When a hazardous materials placard is required, where must it be displayed on the vehicle?

Accepted Answer

On the front, rear, and both sides of the vehicle

Answer

Only on the rear of the vehicle

Answer

On the driver's door and rear only

Answer

Only on the side facing traffic

Question 2

Which of the following materials is ALWAYS forbidden from being loaded in the same vehicle as explosives (Class 1)?

Accepted Answer

Detonators and other initiating explosives

Answer

Compressed gases in cylinders

Answer

Corrosive liquids in closed containers

Answer

Flammable solids in limited quantities

Question 3

A driver must stop and check for hazmat leaks at which of the following intervals during transport?

Accepted Answer

Every 150 miles or every 3 hours, whichever comes first

Answer

Every 500 miles or at every state line

Answer

At the beginning of the trip only

Answer

Every 25 miles or 30 minutes, whichever comes first

Question 4

What is the purpose of the Emergency Response Guidebook (ERG) carried by hazmat drivers?

Accepted Answer

To provide first responders with guidance on handling hazmat incidents

Answer

To record the driver's inspection checklist for each load

Answer

To document the shipper's certification of the hazmat load

Answer

To list approved routes for transporting hazardous materials

Question 5

When must a hazmat driver obtain a routing permit from state or local authorities?

Accepted Answer

When transporting certain high-hazard materials such as radioactive or explosive cargo that require special routing

Answer

Whenever the vehicle weighs more than 26,001 lbs

Answer

Any time the driver crosses more than two state lines

Answer

Only when hauling liquid hazardous materials in a tank vehicle

Question 6

If a hazardous materials package is leaking when you arrive to pick it up, you should:

Accepted Answer

Refuse the shipment and notify the appropriate authorities

Answer

Accept the shipment but note the leak on the shipping paper

Answer

Wrap the package in plastic and proceed to deliver it

Answer

Continue loading and report the leak upon arrival at the destination