Utah Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Utah Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Utah Driver License Division. Try to answer each question on your own before reading the answer key directly under it. The questions and answer choices are shuffled deterministically per state and endorsement, so the order will stay the same on repeat visits — that lets you genuinely measure your improvement.
- A Must meet special standards or be turned off
- B Must be operated by the receiver
- C May only be used after 6 p.m.
- D Are unrestricted
- A A medical card upgrade
- B A pilot car
- C X (combination of H and N for tank vehicles carrying hazardous materials)
- D A separate trailer license
- A Proper shipping name, hazard class, ID number, and required emergency information
- B Driver's name
- C Color of packaging
- D Price only
- A All of the above
- B Park near a fire
- C Park near an open flame
- D Park within 5 feet of a road
- A Federal rules (tunnels, bridges)
- B Carrier preference
- C All of the above
- D State and local routing
- A Within reach of the driver while seated and within reach when the driver is out of the cab
- B Mailed to the destination
- C Filed in the cab's glove box
- D Stored in the trailer
- A Verify markings, labels, placards, papers, and securement before signing for it
- B Trust the shipper without checking
- C Only sign and drive
- D Wait for an inspector
- A 25 feet
- B 10 feet
- C 100 feet
- D 50 feet
- A A barcode only
- B A serial number
- C UN or NA followed by four digits
- D A state two-letter code
- A Made of glass only
- B Painted any color
- C Marked with the proper shipping name, ID number, and required labels
- D Stored only at night
- A Never; tires are the carrier's responsibility
- B Only at the start and end
- C Once a week
- D At the start of each trip and each time they stop
- A Annually only
- B Once per year by federal officials
- C Before each trip and at every stop
- D When the tank is full
- A The driver has training
- B The carrier has insurance
- C The receiver has paid
- D The shipper guarantees the load is properly classified, packaged, marked, labeled, and described per regulations
- A All of the above
- B Provide the responding officers with the shipping papers and ERG
- C Notify the carrier immediately
- D Notify the National Response Center if the load is leaking or hazmat-related
- A Always keep them together
- B Check the segregation table — many combinations are forbidden
- C Cover the explosives with the liquids
- D Load them in the same compartment
- A Only at the destination
- B Only at the start of the trip
- C At each stop
- D When the brakes feel different
- A Stay within 25 feet of the vehicle and have a clear view of it
- B Leave the truck and return when finished
- C Hand off the unloading to the receiver
- D Disconnect the bonding wire first
- A In a designated truck stop
- B In any rest area
- C On a public street within 5 feet of the road
- D Within 300 feet of a tunnel, bridge, or building used by the public, except for short rest stops
- A They can shift freely
- B Cargo blocks emergency exits
- C Cargo cannot shift, leak, or be exposed to ignition sources
- D Containers can rub against each other
- A All of the above
- B In an emergency
- C Before leaving the loading site
- D During the trip if you stop
- A The state DMV
- B The carrier and the driver
- C The receiver
- D The shipper
- A Drive only between 8 a.m. and 6 p.m.
- B Travel with a state escort
- C Have written instructions on what to do in case of accident or delay
- D Avoid Class A highways only
- A Only at night
- B At 10, 100, and 200 feet from the vehicle
- C At 50 and 100 feet
- D Within 10 feet only
- A Be moved to a remote area immediately
- B Be unloaded by the driver alone
- C Be driven to the destination
- D Be left where it is, the area isolated, and the carrier and emergency services notified
- A No smoking within 25 feet
- B All of the above
- C Engine must be off
- D The driver must be at the fueling control
Study tips for the Utah Hazardous Materials exam
The Hazardous Materials portion of the Utah CDL exam is graded out of the bank of questions the Utah Driver License Division draws from each year. While the exact bank is not published, every question is sourced from the Hazardous Materials chapter of the Utah CDL handbook, which itself is derived from the FMCSA Model Commercial Driver's License Manual. That means studying our practice tests, reading the corresponding handbook chapter, and re-reading the parts you got wrong is genuinely the most efficient route to a first-time pass.
Most successful applicants follow a simple cycle: take the practice test cold, write down every question you missed, open the matching chapter of the official Utah handbook, re-read the section that contains the right answer, then re-take the practice test 24 to 48 hours later. The 24-hour delay matters — sleep is when your brain commits new information to long-term memory, and CDL knowledge questions reward that kind of consolidated learning rather than cramming.
Pay particular attention to questions that include qualifier words like always, never, only, primary, or most. CDL test writers love to flip the right answer with a single qualifier. When two answer choices look almost identical, pay attention to the verb (is it must, should, or may?) and to any numbers (14 days, 100 air miles, 8 hours, 70/8 split). On endorsement tests in particular, watch for trick framing where a true statement about a different endorsement is offered as the "correct" answer to a question that is actually about Hazardous Materials.
Test-day logistics matter too. Bring photo ID, your Social Security card or birth certificate, your medical examiner's certificate (DOT card), and proof of state residency if you haven't already submitted those documents. The Utah Driver License Division will not let you sit for the knowledge exam without your documentation, and most offices charge an additional fee for re-attempts. Arrive early — the wait at most CDL testing offices runs 30 to 60 minutes — and silence your phone before the exam begins.
Finally, keep your General Knowledge fundamentals sharp even when you're focused on the Hazardous Materials exam. Many states administer multiple knowledge tests in a single sitting, and questions on weight definitions (GVWR, GCWR, GAWR), stopping distance, and the pre-trip inspection routine show up across endorsements. If you're unsure on the basics, sit a fresh Utah General Knowledge practice test before scheduling the real exam.
Next steps
Missed more than four questions? Re-read the Hazardous Materials study guide and the matching chapter in the official Utah CDL handbook. Then come back and re-take the test. Once you can score 22 of 25 or higher on three runs in a row, you're in good shape to schedule the real exam at your local Utah Driver License Division office.
Already comfortable with this endorsement? Drill another: UT General Knowledge · UT Air Brakes · UT Combination Vehicles · UT Passenger · UT School Bus · UT Tank Vehicle · UT Doubles / Triples
New to the CDL process in Utah? Read How to apply for a CDL in Utah for the document checklist and step-by-step timeline.