oklahoma
CDL Practice Test

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Welcome to the Oklahoma CDL practice test site. Use this site as you prepare to take the Oklahoma CDL test. Rules and regulations covered in these practice tests come from the Oklahoma CDL Manual. Take these practice tests as many times as you need to, this site is complimentary 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

Never refuel your bus:

2 / 40

Why are you required to take an exam about air brakes?

3 / 40

Which of the following is a reason to evacuate the school bus?

4 / 40

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

5 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

6 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

7 / 40

When driving in very hot temperatures, you should:

8 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

9 / 40

What is the purpose of a baffle?

10 / 40

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

11 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

12 / 40

This object should not be worn dangerously thin where visible.

13 / 40

With the controlled braking method, you _____?

14 / 40

How should the hand valve be used?

15 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

16 / 40

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

17 / 40

The Emergency Response Guidebook (ERG):

18 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

19 / 40

When not towing a trailer, why should the tractor glad hands be locked?

20 / 40

One reason hauling liquids in tank vehciles require special care is:

21 / 40

What are the liquid tight separations between compartments inside tanks called?

22 / 40

What position should the tractor protection control valve be in after coupling?

23 / 40

Select how you would check the truck's slack adjusters.

24 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

25 / 40

Select the factor that has no effect on how much liquid you can carry:

26 / 40

Select the answer that is controlled by the foot brake.

27 / 40

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

28 / 40

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

29 / 40

The manual says you should look _____ ahead while driving.

30 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

31 / 40

Which of the following would NOT be part of a standard vehicle inspection?

32 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

33 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

34 / 40

Select the true statement about dual air brake systems:

35 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

36 / 40

Select the true statement about converter dollies:

37 / 40

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

38 / 40

In the event of an accident you should remember to do the following EXCEPT:

39 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

40 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

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CDL Practice Test

How To Get A oklahoma Commercial Drivers License

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

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

Oklahoma CDL applicants must be medically certified that they are capable of operating a commercial vehicle and pass a vision test. Applicants are required to submit a Form MCSA-5875 Medical Examination Report and a Form MCSA-5876 Medical Examiner’s Certificate. In addition to submitting these documents, Oklahoma applicants must self-certify their medical records with the Oklahoma Department of Public Safety.

Applicants who have been deemed to be medically fit must keep a copy of the Medical Examiner’s Certificate with them when they operate commercial motor vehicles. Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Oklahoma. Applicants can be disqualified for having multiple licenses.

Oklahoma 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

oklahoma CDL License Test Tips

All Oklahoma CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Oklahoma test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Oklahoma skills test can be taken 14 days after applicants pass the knowledge test. 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 active duty military personnel.
  • Have operated a commercial vehicle as part of their military duties for at least 2 years prior to applying for a CDL.
  • Have been discharged from the military within the past 12 months.
  • Submit an Application for CDL Skills Test Waiver.

Additional Information

Information on the Oklahoma Department of Public Safety

The Oklahoma Department of Public Safety oversees CDL license requirements in Oklahoma. To get more information contact them via:

Website: https://www.ok.gov/dps/Obtain_an_Oklahoma_Commercial_Driver_License/

Phone: 405.425.2196

 

Additional Oklahoma CDL Helpful Links

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