Nevada Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Nevada Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Nevada Department of Motor Vehicles. 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 Refer to 49 CFR Parts 100-185 (HMR)
- B Contact the carrier safety officer
- C All of the above
- D Refer to the ERG
- A Carrier preference
- B State and local routing
- C All of the above
- D Federal rules (tunnels, bridges)
- A Be locked
- B Be attended by the driver
- C Have a flashing light on
- D Be in a low gear
- A Open the cargo doors to ventilate
- B Try to put it out with water
- C Stay upwind, evacuate the area, and let trained responders handle it
- D Drive the vehicle to a safe place
- A At 50 and 100 feet
- B At 10, 100, and 200 feet from the vehicle
- C Within 10 feet only
- D Only at night
- A Refuse the load and notify the carrier — the shipper must use a proper shipping name
- B Use the closest entry
- C Skip the placards
- D Use a generic placard
- A 10 feet
- B 50 feet
- C 25 feet
- D 100 feet
- A Leave the truck and return when finished
- B Disconnect the bonding wire first
- C Hand off the unloading to the receiver
- D Stay within 25 feet of the vehicle and have a clear view of it
- A A logbook
- B An expired permit or shipper certification missing
- C A medical card
- D Cargo securement straps
- A Bulk quantities or any amount of certain Table 1 materials
- B Only at night
- C Any quantity of any hazardous material
- D Only liquids
- A Protect yourself and isolate the area
- B Call your dispatcher only
- C Contain the spill
- D Check the load for leaks first
- A No — mix them in with other paperwork
- B Only if the receiver requests it
- C Only on long trips
- D Yes — they should be readily identifiable for emergency responders
- A Mailed to the receiver
- B Carried in the trailer
- C Only required for explosives
- D Carried in the cab and used by responders to look up immediate response information for hazmat
- A In an emergency
- B During the trip if you stop
- C All of the above
- D Before leaving the loading site
- A Drive to the destination quickly
- B Stop, isolate the area, notify emergency services and the carrier
- C Continue and report at the next stop
- D Open the container to inspect
- A The driver has training
- B The receiver has paid
- C The carrier has insurance
- D The shipper guarantees the load is properly classified, packaged, marked, labeled, and described per regulations
- A Notify the National Response Center if the load is leaking or hazmat-related
- B Provide the responding officers with the shipping papers and ERG
- C Notify the carrier immediately
- D All of the above
- A Have written instructions on what to do in case of accident or delay
- B Travel with a state escort
- C Drive only between 8 a.m. and 6 p.m.
- D Avoid Class A highways only
- A Vehicle escort
- B No special handling
- C Only a special placard at night
- D Special handling, additional documentation, and route planning
- A Proper shipping name, hazard class, ID number, and required emergency information
- B Color of packaging
- C Price only
- D Driver's name
- A Cargo blocks emergency exits
- B Containers can rub against each other
- C They can shift freely
- D Cargo cannot shift, leak, or be exposed to ignition sources
- A Heavily populated areas where possible
- B All of the above
- C Routes specifically prohibited by state or local rules
- D Tunnels not authorized for explosives
- A Cargo that may be harmful to aquatic life and requires special marking
- B Only liquids in port areas
- C Hazardous waste only
- D Bulk shipments
- A Must be operated by the receiver
- B May only be used after 6 p.m.
- C Are unrestricted
- D Must meet special standards or be turned off
- A One that has more than 119 gallons capacity (liquids) or more than 882 lbs (solids)
- B A pallet
- C Any package over 1 lb
- D Cardboard boxes only
Study tips for the Nevada Hazardous Materials exam
The Hazardous Materials portion of the Nevada CDL exam is graded out of the bank of questions the Nevada Department of Motor Vehicles draws from each year. While the exact bank is not published, every question is sourced from the Hazardous Materials chapter of the Nevada 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 Nevada 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 Nevada Department of Motor Vehicles 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 Nevada 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 Nevada 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 Nevada Department of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: NV General Knowledge · NV Air Brakes · NV Combination Vehicles · NV Passenger · NV School Bus · NV Tank Vehicle · NV Doubles / Triples
New to the CDL process in Nevada? Read How to apply for a CDL in Nevada for the document checklist and step-by-step timeline.