Missouri
CDL Practice Test

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Use this free site to practice for the Wyoming CDL test. You can take these practice test questions as many times as you like. Topics covered in the practice tests include gross weight, hazmat transportation, air brakes, and pre-trip inspection Class A rules. You will be presented with 40 questions and you must answer 34 questions correctly to pass.  There is a 50 minute time limit.  You may not go back once you answer a question.  Click the "Start Quiz" button below to begin.  Good luck!

1 / 40

Off-tracking happens when going around a corner and:

2 / 40

By law, the warning lights must only be used when approaching a:

3 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

4 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

5 / 40

The interlock system for the brake and accelerator on a transit coach may be used:

6 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

7 / 40

Which of the following is a key steering component?

8 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

9 / 40

The method used to make sure the spring brakes will come on automatically is to:

10 / 40

The locking jaws of the kingpin should close around:

11 / 40

A commercial motor vehicle (CMV) is defined as:

12 / 40

Why should you know the outage?

13 / 40

Drivers placard their vehicle to _____ the risk.

14 / 40

The two other places where the hazardous identification number must appear are:

15 / 40

What is the service air line controlled by?

16 / 40

You should___when driving down a long steep hill.

17 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

18 / 40

With the controlled braking method, you _____?

19 / 40

A "transport index" relates to products that are:

20 / 40

At around____the governor allows the air compressor to start pumping again:

21 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

22 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

23 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

24 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

25 / 40

How can you check slack adjusters?

26 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

27 / 40

Select what you should do before leaving the vehicle unattended:

28 / 40

Select the part that is not a part of the drum brake:

29 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

30 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

31 / 40

The designation RQ identifies the material's:

32 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

33 / 40

What method should be used to test that the air is flowing to all the trailers?

34 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

35 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

36 / 40

Select the true statement in regards to a converter dolly:

37 / 40

If your bus has an emergency exit door, it must:

38 / 40

You should have the fifth wheel plate greased as recommened because:

39 / 40

A disruptive passenger:

40 / 40

Before pulling away, make sure the landing gear of the trailer is:

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CDL Category Practice Tests

CDL Practice Test

How To Get A Missouri Commercial Drivers License

All applicants must be of the legal age of 18 years old or older to apply for their intrastate CDL privileges. In order to participate in interstate driving and obtain a HazMat Endorsement, the applicant must be 21 years old or older.

All applicants must have a certified medical examiner’s certificate to be eligible for a CDL.

Any applicants that fall into any of the below descriptions are disqualified from obtaining their Missouri CDL.

  • Any driver who has restricted CDL driving privileges in another state.
  • Any driver who has a valid driver’s license from another state.
  • Any driver who’s license is currently suspended, revoked, or canceled.

All Missouri residents are required to complete both knowledge tests and skills tests in order to receive their CDL.

Endorsements 

T – Double or Triple Trailers
P – Passenger
N – Tank Vehicles
H – Hazardous Materials
X – Combination of HazMat and Tank Vehicle

Hit the Open Road

Missouri CDL License Test Tips

All applicants must pass a knowledge test to receive their CDL. Class B and C applicants must pass a 50 question exam. Class A applicants must pass a 70 question exam which includes questions about combinations. All endorsements require an additional knowledge assessment specific to the endorsement sought. Applicants must pass all required knowledge tests with a score of 80 percent or more.

In addition to the knowledge test(s), applicants will be required to pass a three-part practice skills test. This is a hands-on assessment of the applicant’s skills in pre-trip inspection, basic vehicle control, and on-road driving. All three parts of the assessment must be passed in order for the applicant to receive their CDL.

Additional Information

Information on the Missouri Department of Revenue

The Missouri Department of Revenue regulates the CDL license requirements in Missouri. To get more information contact them via:

Website: https://dor.mo.gov/drivers/commercial/cmv.php

Phone: 573.526.3669

 

Additional Missouri CDL Helpful Links

Please use the links below to access more valuable Missouri CDL testing resources and to learn more about practice driving tests for the state of Missouri.