CDL Practice Test


Welcome to the Utah CDL practice test site. As you prepare to obtain your CDL in Utah, have this site be a guide for practicing common test questions. You can take these practice test questions as many times as you like, and the site is free to use as you prepare to take the Utah CDL test. 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

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

2 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

3 / 40

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

4 / 40

At what "cut out" level does the governor stop pumping air?

5 / 40

Two causes of tire fires are ______.

6 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

7 / 40

How do you test the trailer service brakes?

8 / 40

The most stable tanker shape is:

9 / 40

Select the true statement about tractor protection valve:

10 / 40

A tank trailer should never be fully loaded due to:

11 / 40

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

12 / 40

The brake pushrod should not move more than____for manual slack adjusters.

13 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

14 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

15 / 40

What is a passive railway crossing?

16 / 40

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

17 / 40

Alcohol evaporators in some air brake systems help to:

18 / 40

The locking jaws of the kingpin should close around:

19 / 40

You should adjust all the outside left and right side flat mirrors to see:

20 / 40

Suspension systems:

21 / 40

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

22 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

23 / 40

Select why you should not use the trailer hand valve while driving:

24 / 40

You should check the_____when loading small tanks equipped with bulkheads.

25 / 40

Select the first action to do when the low air pressure warning comes on:

26 / 40

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

27 / 40

You should turn off your engine when loading flammable liquid unless:

28 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

29 / 40

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

30 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

31 / 40

Which of the following statements is FALSE?

32 / 40

Which of the following should you NOT do if you experience a tire failure?

33 / 40

The minimum tire tread depth for front tires is:

34 / 40

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

35 / 40

What is the most important reason for doing a school bus inspection?

36 / 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?

37 / 40

How can you check slack adjusters?

38 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

39 / 40

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

40 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

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CDL Category Practice Tests

CDL Practice Test

How To Get A utah Commercial Drivers License

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

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

Applicants who are under the age of 21 years old will not be permitted to apply for endorsements in HAZMAT, passenger vehicles and school buses.

Utah 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 MCSA-5876) Medical Examiner’s Certificate

(CDL-42) Commercial Driver’s License Medical Self Certification

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

Utah 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

utah CDL License Test Tips

All Utah CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Utah test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Utah 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 currently enlisted in the military.
  • Have operated a commercial vehicle as part of their military duties for at least 2 years.
  • Have been discharged from the military within the past 12 months.
  • Submit (Form CDL-ST WVR) CDL Skills Test Waiver Application for Military Skills Waiver. The commanding officer must sign this document.

Additional Information

Information on the Utah Department of Public Safety

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

Website: https://dld.utah.gov/licensingid-cards/commercial-driver-license-cdl/

Phone: 801.965.4437


Additional Utah CDL Helpful Links

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