South Carolina DMV CDL HazMat Quick Practice Test

South Carolina DMV CDL HazMat Quick Practice Test For 2026

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Mirrors should be:

Checked only when changing lanes.
Checked frequently.
Checked only if there is a reason to suspect a problem.

2. After the engine is started, warning lights and buzzers should all:

Stay on.
Flicker occasionally.
Turn off right away.
Turn off once the vehicle begins moving.

3. During the basic vehicle control skills test:

A pull-up always counts against the applicant.
A pull-up should be completed at least once.
Stopping without changing direction is not considered a pull-up.
Excessive pull-ups are acceptable in the opinions of some test administrators.

4. If you identify a large box in your lane on the road ahead, you should:

Slow down.
Speed up.
Not be worried because another vehicle will likely hit it before your vehicle.
Swerve into another lane of traffic.

5. When driving a vehicle with empty cargo tanks that are used to carry hazardous materials, the driver:

Can cross railroad tracks without slowing or stopping.
Needs to slow when approaching railroad tracks, but is not required to stop.
Must stop at railroad crossings before proceeding.
Should never drive over railroad tracks.

6. Why should your mirrors be adjusted to show the road behind you as well as part of your vehicle?

Having only the road in the mirrors would likely make the driver carsick.
Having part of the truck in the mirrors serves as a point of reference.
It is illegal to have only the road in the mirrors.
The driver should be able to see the reflection of surrounding vehicles on the trailer.

7. If corrosive materials leak in a trailer, the trailer should be:

Cleaned with acid.
Cleaned with water.
Left to air dry without washing.

8. The leading factor resulting in death and injury in work zones is:

Speeding.
Stopping.
Under-inflated tires.

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