If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

The engine should be turned off.

The gas nozzle may be left unattended.

When experiencing a cargo fire, it may be a bad idea to open the doors to the trailer. Doing so allows oxygen to enter the area, potentially causing the fire to flare up and expand.

Allows oxygen into the trailer.

Changes the temperature of the trailer.

Provides more moisture to the trailer.

Shippers of hazardous materials are required to include an emergency response telephone number on shipping papers.

An emergency response telephone number.

Shippers should place applicable diamond-shaped hazard warning labels on hazardous materials packages. If a label will not fit entirely onto a package, shippers may instead place the label on a tag that is securely attached to the package.

Place the label on a tag securely attached to the item.

Attach a QR Code to be scanned.

Reduce the size of the HazMat label to fit it completely on the item.

Shipping papers must be quickly accessible in the event of an emergency. While driving, operators must keep the papers in a pouch on the driver’s door or in clear view and within immediate reach while their seat belt is fastened. Shipping papers may be kept on the driver’s seat when the driver is out of the vehicle.

In a pouch on the passenger’s side door.

In a pouch on the driver’s door.

In a pouch on the passenger’s side door.

Within reach of the driver while the seat belt is fastened.

Hazmat Test | California 2025 #2

On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CA CDL hazmat endorsement in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that California requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 20

Passing Score 16

Number of Tests 20

Hazmat Test | California 2025 #2

1 . When refueling a vehicle carrying hazardous materials:

2 . Placarded vehicles must carry fire extinguishers with a minimum rating of:

3 . During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:

4 . Shipping papers must include:

5 . The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

6 . How do you label a package if the hazardous materials label will not fit onto the package?

7 . Hazardous materials shipping papers may not be kept:

Search the best driving school in your neighbourhood

Wait, before you go