A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.

A valve that keeps air in the brake system should a bad leak occur

A valve that prevents the trailer from being accidentally released

A valve that prevents the vehicle from going too fast

A steering wheel should be held firmly with each hand on opposite sides of the wheel.

Held with both hands to ensure an adequate grip.

Held with one hand while the other hand rests.

Held with both hands to ensure an adequate grip.

Released if the vehicle is approaching a bump.

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

Are acceptable on combination vehicles.

Are acceptable only when traveling at speeds under 40 mph.

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.

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

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.

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.

Make a written report that includes your concerns.

Stay quiet and see if the problem goes away.

Make a written report that includes your concerns.

Hazmat Test | Mississippi 2024 #2 Page 5 of 5

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 2024, 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

Hazmat Test | Mississippi 2024 #2 Page 5 of 5

25 . What is the tractor protection valve?

26 . A steering wheel should be:

27 . If you are being tailgated, you should:

28 . Rims with welding repairs:

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

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

See the exact questions that will be on the 2024 DMV exam.

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