Hazmat Test | Mississippi 2025 #1

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 MS 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 Mississippi requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 30

Passing Score 24

Number of Tests 20

1 . If you notice anything affecting the safety or mechanical functioning of your CMV while driving, you should:

Stay quiet and see if the problem goes away.

Make a written report that includes your concerns.

Try to fix it yourself.

At the end of each day of driving, you may be required to make a written report on the vehicle or vehicles driven. Be sure to make note of any issues that could affect the safety of the vehicle or that could lead to a mechanical breakdown.

2 . Carrying liquids in a leaking tank:

Is acceptable if it is only for a short distance.

Is illegal.

Is not dangerous if it is raining.

Is acceptable if you are running behind schedule.

When inspecting any style of tank, the most important thing for a driver to check for is leaks. Transporting any type of gas or liquid in a leaking tank is illegal.

3 . A tractor protection valve is:

A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.

A device that prevents theft.

A device that controls fuel levels.

A device that allows the battery to recharge efficiently.

On combination vehicles with air brakes, the tractor protection valve keeps air in the tractor or truck brake system, should the trailer develop a bad leak or break away from the tractor.

4 . Rims with welding repairs:

Are not safe to be used.

Are acceptable on combination vehicles.

Are acceptable only when traveling at speeds under 40 mph.

Wheels or rims that have had welding repairs are never safe for use.

5 . What is another name for the service line?

The control line

The utility line

The open line

The parallel line

The trailer service air line may also be referred to as the control line or signal line.

6 . If you must use the controlled braking method while transporting liquid cargo, you should:

Apply the brakes with about half of your usual force.

Apply the brakes so the wheels lock.

Apply the brakes as hard as possible without locking the wheels.

Apply the brakes about halfway, but keep the wheels rolling.

The controlled braking method for emergency stops involves applying the brakes as hard as you can without locking the wheels. Keep steering wheel movements small when braking in this way.

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2025 Mississippi | Frequently Asked Questions

To acquire a CDL Hazmat endorsement in Mississippi, you must already possess a Commercial Driver's License (CDL). Then, pass the Hazardous Materials Knowledge Test at your local DMV. After passing, you'll need to undergo a TSA background check. Once cleared, pay the endorsement fee to have the Hazmat endorsement added to your CDL.

To obtain a CDL Hazmat license, you must first have a Commercial Driver's License (CDL). Then, you need to pass the Hazardous Materials Knowledge Test. You should be at least 21 years old, have no disqualifying criminal offenses, and pass a TSA Security Threat Assessment. It's also recommended to have good driving records and physical health.

When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or lawful permanent residency (like a passport or birth certificate), your valid Mississippi driver's license, and your Social Security number. You also need to submit a Medical Examiner's Certificate, proof of residency in Mississippi, and complete the TSA background check.

Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. Passing this test is necessary to receive the Hazmat endorsement on your Commercial Driver's License (CDL).

The written test for the CDL Hazmat endorsement covers various subjects, including identification of hazardous materials, loading and unloading procedures, use of placards and labels, emergency response procedures, and federal regulations related to hazardous materials transportation. It also tests knowledge on the handling and transport of specific types of hazardous materials.

Yes, there are extra charges linked to acquiring a CDL Hazmat endorsement. Costs can include the application fee, fingerprinting fee, and background check fee. However, these fees can vary by state and the specific type of endorsement. It's recommended to check with your local DMV or similar agency for the most accurate and up-to-date information.

Yes, background checks and security clearances are mandatory for the CDL Hazmat endorsement. The Transportation Security Administration (TSA) conducts a federal background check, including fingerprinting. The applicant must not have any disqualifying criminal offenses. This process ensures that hazardous materials are transported safely and securely by trustworthy individuals.

Yes, specialized training is mandatory for the CDL Hazmat endorsement. Applicants must pass a written test to demonstrate knowledge of hazardous materials. After passing the test, they receive a certificate of completion. This certification is then used to obtain the Hazmat endorsement on a CDL. The endorsement must be renewed periodically, which may require additional training or testing.

No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Mississippi. This endorsement is required by federal law and ensures that drivers are properly trained to handle and transport hazardous materials safely. Violating this law can result in severe penalties, including fines and suspension of your CDL.

Yes, you can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new license. However, you will need to pass a written test and undergo a TSA security threat assessment, which includes fingerprinting and a background check. Once you've passed these, the endorsement can be added to your existing CDL.