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

You should back up slowly until____when coupling the trailer.

2 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

3 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

4 / 40

This object should not be worn dangerously thin where visible.

5 / 40

What is most likely to occur when the front wheels begin to skid?

6 / 40

The baffles in a tank trailer help to control:

7 / 40

What is always required before loading, driving, or unloading a tanker?

8 / 40

It is important to know the outage required for the liquids you carry because:

9 / 40

When fueling a placarded vehicle, someone must always be:

10 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

11 / 40

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

12 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

13 / 40

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

14 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

15 / 40

Select the two things that are important in preventing a rollover:

16 / 40

What kind of surge can occur in a tank with baffles?

17 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

18 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

19 / 40

Which of the following is not a prohibited practice on the bus:

20 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

21 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

22 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

23 / 40

What is incorrect concerning disruptive passengers?

24 / 40

You should expect____when backing a tractor under a trailer.

25 / 40

Most states require school bus drivers to take a physical examination:

26 / 40

The compressor is connected to the engine via _____?

27 / 40

Select the vehicle that off-tracks the most.

28 / 40

A placard is required for a combustible liquid at?

29 / 40

To avoid rollover when going through a curve, the best thing to do is:

30 / 40

Another term for a smooth bore tank is:

31 / 40

You must be alert for road hazards so that:

32 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

33 / 40

What is the best way to figure out how many seconds of following distance you have?

34 / 40

When transporting explosives you may not park:

35 / 40

A commercial motor vehicle (CMV) is defined as:

36 / 40

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

37 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

38 / 40

When transporting hazardous waste, you must:

39 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

40 / 40

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

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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.