CDL Practice Test


Use this site as a guide to help you prepare for the CDL test in Virginia. Questions on our CDL knowledge exams come from sections of the Virginia DMV CDL manual. You can take these practice test questions as many times as you like, as the site is free to use. 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 Test" button below to begin. 

1 / 40

You should check the_____when loading small tanks equipped with bulkheads.

2 / 40

Why should you use chocks when parking a trailer without spring brakes?

3 / 40

A placarded vehicle must have at least ___ placards?

4 / 40

Where are shut off valves located on trailers that are doubles or triples?

5 / 40

Which of the following are some suspension system defects?

6 / 40

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

7 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

8 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

9 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

10 / 40

You should check your mirrors while making a lane change:

11 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

12 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

13 / 40

What does the air compressor governor control?

14 / 40

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

15 / 40

You must carry a gas mask with you when transporting:

16 / 40

Which is more likely to tip over due to the crack the whip effect?

17 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

18 / 40

The object that doesn't get checked at the side of the trailer is the:

19 / 40

If you park the trailer at an angle to the tractor when uncoupling:

20 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

21 / 40

____is the most common type of foundation brakes used by heavy vehicles.

22 / 40

Select the statement that best explains the "crack-the-whip" effect.

23 / 40

Air pressure should build___with a dual air system.

24 / 40

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

25 / 40

Remember to_____when steering to avoid a crash while driving doubles.

26 / 40

You should be in the proper gear before going down a hill because:

27 / 40

Select the true statement in regards to quick steering movements and double trailers:

28 / 40

There must not be more than_____for engine compartment belts.

29 / 40

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

30 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

31 / 40

Off-tracking happens when going around a corner and:

32 / 40

Which of the following statements about "Radioactive" labels is true?

33 / 40

To test the tractor-trailer connection for security, you should:

34 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

35 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

36 / 40

What is the correct number of red reflective triangles that you should carry?

37 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

38 / 40

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

39 / 40

What is a common cause of tire fires?

40 / 40

What can you do at an accident site to help avoid another accident?

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CDL Category Practice Tests

CDL Practice Test

How To Get A virginia Commercial Drivers License

To be eligible for a CDL in Virginia, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within Virginia only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of Virginia).

Virginia CDL applicants must be certified that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (Form 649-F) Medical Examiner Report
  • (Form DL-8) Commercial Driver’s License Self-Certification (This form must be completed by a FMCSA-approved medical examiner.

Interstate non-excepted (drivers who do not work for the state or federal governments) must meet federal DOT requirements. Intrastate non-excepted drivers must meet the state requirements.

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Virginia. Applicants can be disqualified for having multiple licenses.

Virginia CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Double or Triple Trailer
  • X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

virginia CDL License Test Tips

All Virginia CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the Virginia test, applicants must score 80 percent or higher. Applicants who require endorsements must pass additional tests and pay the required fees. The Virginia skills test can be taken 14 days after applicants pass the knowledge test if applicants have never applied for a CDL before and they pass a state-approved driver education program. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

  • Be an active member of the military.
  • Possess a valid Virginia driver’s license.
  • Have operate a commercial vehicle as part of their military duties.
  • Have been recently discharged from the military.

Additional Information

Information on the Virginia Department of Motor Vehicles

The Virginia Department of Motor Vehicles administers CDL license testing and regulations in Virginia. To get more information contact them via:


Phone: 804.497.7100


Additional Virginia CDL Helpful Links

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