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

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

2 / 40

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

3 / 40

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

4 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

5 / 40

It is very important that you never smoke around which hazard classes?

6 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

7 / 40

Which of the following is a key steering component?

8 / 40

An example of a low pressure warning signal for air brakes is:

9 / 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?

10 / 40

Select the true statement in regards to your brake function when your ABS fails

11 / 40

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

12 / 40

A disruptive passenger:

13 / 40

How can you determine if your vehicle is equipped with ABS?

14 / 40

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

15 / 40

What might happen if you swing wide to the left before you turn right?

16 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

17 / 40

The compressor is connected to the engine via _____?

18 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

19 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

20 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

21 / 40

If the hazardous materials are classified as FORBIDDEN you should:

22 / 40

If you are drowsy, you should _____ before you drive.

23 / 40

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

24 / 40

What is the purpose of a baffle?

25 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

26 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

27 / 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?

28 / 40

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

29 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

30 / 40

This item does not need to be checked during the cab check.

31 / 40

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

32 / 40

Where are shut-off valves located?

33 / 40

Select the statement that is true in regards to managing space to the sides.

34 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

35 / 40

Select the true statement in regards to the braking power of spring brakes.

36 / 40

The interlock system for the brake and accelerator on a transit coach may be used:

37 / 40

The direction of liquid movement not prevented by baffles is:

38 / 40

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

39 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

40 / 40

Select the vehicle that off-tracks the most.

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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.