HazMat Hazardous Materials (HazMat) Endorsement Awareness 5

Question 1

Which HazMat class covers self-reactive materials and organic peroxides that may undergo rapid decomposition?

Accepted Answer

Class 4

Answer

Class 1

Answer

Class 5

Answer

Class 8

Question 2

A HazMat package bears a label with a flame symbol over a circle. This indicates the material is a(n):

Accepted Answer

Oxidizer

Answer

Flammable liquid

Answer

Flammable solid

Answer

Explosive

Question 3

Under what condition may a driver leave a HazMat vehicle unattended on a public street?

Accepted Answer

Never — it must always have an attendant or be in a secure facility

Answer

Only if the parking brake is set

Answer

If parked for less than 30 minutes

Answer

If within sight of the driver at a rest stop

Question 4

What is the purpose of the Emergency Response Guidebook (ERG)?

Accepted Answer

To help first responders identify HazMat and take protective actions in the first 30 minutes of an incident

Answer

To record driver training certifications

Answer

To list carrier liability limits for cargo damage

Answer

To provide route maps approved for HazMat transport

Question 5

When transporting Class 2.1 (Flammable Gas) materials, which action is prohibited at a loading dock?

Accepted Answer

Smoking within 25 feet of the vehicle

Answer

Using a hand truck to move cylinders

Answer

Checking tire pressure before departure

Answer

Recording the tank serial number on shipping papers

Question 6

A driver transporting hazardous materials must carry shipping papers accessible within reach while:

Accepted Answer

At all times the driver is in the cab

Answer

Only during loading and unloading

Answer

Only when crossing state lines

Answer

At all times, including rest stops outside the cab

Question 7

Which of the following statements about compatibility grouping for HazMat loads is CORRECT?

Accepted Answer

Certain HazMat classes must be separated to prevent dangerous reactions if they leak or mix

Answer

All HazMat classes can be loaded together as long as quantities are small

Answer

Class 3 and Class 8 materials are always compatible for co-loading

Answer

Only explosives require segregation from other HazMat classes