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

Which of the following is NOT something you need to know in order to determine if you need to use placards?

2 / 40

A disruptive passenger:

3 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

4 / 40

How much space should there be between the lower and upper fifth wheel?

5 / 40

What is a king pin?

6 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

7 / 40

What are you checking when looking at the lubrication level on a dipstick?

8 / 40

Why should you know the outage?

9 / 40

What is the safest way to stop unruly behavior on the bus?

10 / 40

You must not allow riders to stand:

11 / 40

Select the reason as to why air tanks need to be drained:

12 / 40

You should follow the posted speed limits for curves and be aware of:

13 / 40

Select what you should not do when coupling the glad hands.

14 / 40

What are the 3 methods for securing a second trailer before coupling?

15 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

16 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

17 / 40

How often should you drain your air tanks?

18 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

19 / 40

When fueling a placarded vehicle, someone must always be:

20 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

21 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

22 / 40

Which of the following must be closed while the bus is in motion?

23 / 40

When should the trailer hand valve be used?

24 / 40

The designation RQ identifies the material's:

25 / 40

Select which vehicles are required to have a low air pressure warning signal:

26 / 40

What is the normal operating range for a truck's oil pressure?

27 / 40

A trailer is at the right height to have the tractor backed up to it when:

28 / 40

Charter drivers should not:

29 / 40

Select which is not an engine compartement belt:

30 / 40

Select the true statement about double or triple trailers.

31 / 40

Select the true statement about handling triples and doubles:

32 / 40

Select the true statement about converter dollies:

33 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

34 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

35 / 40

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

36 / 40

Which of the following statements about stopping distances is NOT true?

37 / 40

In safe driving, what does communicating mean?

38 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

39 / 40

The Emergency Response Guidebook (ERG):

40 / 40

What is incorrect concerning disruptive passengers?

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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.