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

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

2 / 40

What is the main difference between a portable tank and a cargo tank?

3 / 40

What is most likely to occur when driving double and a set of trailer wheels goes into a skid?

4 / 40

How high should you crank the landing gear?

5 / 40

A safe haven is ______.

6 / 40

Select the statement that tells you how you can check the low pressure warning signal.

7 / 40

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

8 / 40

What is the best way to stop all skids?

9 / 40

How often should air tanks be drained?

10 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

11 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

12 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

13 / 40

Select which is not an engine compartement belt:

14 / 40

Placarded vehicles must carry which type of fire extinguisher?

15 / 40

A tractor should not be backed under a trailer until the whole air system is:

16 / 40

What is the reason that placards are used?

17 / 40

You should line up_____when getting ready to back under the trailer.

18 / 40

Which of the following is NOT a part of the steering system?

19 / 40

Which of the following statements is true about speed management?

20 / 40

A "transport index" relates to products that are:

21 / 40

Which of the following is a clue another driver is impaired:

22 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

23 / 40

When backing, what is the best method to use to avoid blind spots?

24 / 40

Why do air brakes take longer to stop than hydraulic brakes?

25 / 40

A minimum tread depth of 2/32 inch is required for:

26 / 40

Select the true statement about slack adjusters:

27 / 40

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

28 / 40

How should the pintle hook be when backing a dolly under the second trailer?

29 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

30 / 40

What kind of surge occurs with baffles?

31 / 40

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

32 / 40

The method for testing hydraulic brakes for leaks is to _____.

33 / 40

When accelerating:

34 / 40

Two causes of tire fires are ______.

35 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

36 / 40

When inspecting your bus, you must make sure that:

37 / 40

Select the true statement in regards to an application pressure gauge:

38 / 40

Forward and back surge is powerful in this type of tanker.

39 / 40

Which of the following is a recommended procedure when unloading the students?

40 / 40

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

Your score is

The average score is 47%

5/5 - (1 vote)

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.