Vermont Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Vermont Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Vermont 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 All of the above
- B Park near an open flame
- C Park near a fire
- D Park within 5 feet of a road
- A A barcode only
- B UN or NA followed by four digits
- C A state two-letter code
- D A serial number
- A Yes — they should be readily identifiable for emergency responders
- B Only if the receiver requests it
- C Only on long trips
- D No — mix them in with other paperwork
- A Take the most direct route regardless of restrictions
- B Have a written route plan if required by the shipper or by federal/state rules
- C Avoid weigh stations
- D Drive at night only
- A All of the above
- B In an emergency
- C During the trip if you stop
- D Before leaving the loading site
- A Twelve
- B Five
- C Seven
- D Nine
- A All hazmat materials
- B Class 1 explosives, to determine which can be loaded together
- C Drivers, not cargo
- D Cargo tank vehicles only
- A Vehicles whose driver and equipment meet all federal safety requirements
- B Any vehicle
- C Pickups only
- D Vehicles older than 5 years
- A Any single placard
- B Only on Class 1 explosives
- C Never
- D Two or more separate placards on a load that contains different hazard classes (Table 2 materials only)
- A Vehicle in compliance with HMR
- B Truck designed for the specific class
- C Vehicle without working brake lights or in unsafe condition
- D Properly placarded trailer
- A Continue and report at the next stop
- B Stop, isolate the area, notify emergency services and the carrier
- C Drive to the destination quickly
- D Open the container to inspect
- A Within 50 feet of the crossing
- B Between 15 and 50 feet from the nearest rail
- C Only when a train is approaching
- D Only at night
- A Carried in the cab and used by responders to look up immediate response information for hazmat
- B Mailed to the receiver
- C Only required for explosives
- D Carried in the trailer
- A Drive faster to compensate
- B Hide the error
- C Continue and report later
- D Stop and notify the carrier and shipper before continuing
- A A document describing all hazardous materials being carried
- B The number of cars
- C The train's schedule
- D The train's crew
- A Inspected once a year only
- B Bonded and grounded during loading and unloading
- C Loaded only by the receiver
- D Loaded only at night
- A State and local routing
- B Federal rules (tunnels, bridges)
- C All of the above
- D Carrier preference
- A Try to put it out with water
- B Stay upwind, evacuate the area, and let trained responders handle it
- C Open the cargo doors to ventilate
- D Drive the vehicle to a safe place
- A Stored in the trailer
- B Filed in the cab's glove box
- C Mailed to the destination
- D Within reach of the driver while seated and within reach when the driver is out of the cab
- A Are unrestricted
- B Must be operated by the receiver
- C Must meet special standards or be turned off
- D May only be used after 6 p.m.
- A When the brakes feel different
- B Only at the start of the trip
- C At each stop
- D Only at the destination
- A The receiver has paid
- B The driver has training
- C The carrier has insurance
- D The shipper guarantees the load is properly classified, packaged, marked, labeled, and described per regulations
- A Avoid Class A highways only
- B Travel with a state escort
- C Have written instructions on what to do in case of accident or delay
- D Drive only between 8 a.m. and 6 p.m.
- A A separate license
- B A Hazmat (H) endorsement on their CDL
- C No special endorsement
- D A medical card only
- A Check the segregation table — many combinations are forbidden
- B Load them in the same compartment
- C Always keep them together
- D Cover the explosives with the liquids
Study tips for the Vermont Hazardous Materials exam
The Hazardous Materials portion of the Vermont CDL exam is graded out of the bank of questions the Vermont 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 Vermont 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 Vermont 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 Vermont 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 Vermont 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 Vermont 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 Vermont Department of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: VT General Knowledge · VT Air Brakes · VT Combination Vehicles · VT Passenger · VT School Bus · VT Tank Vehicle · VT Doubles / Triples
New to the CDL process in Vermont? Read How to apply for a CDL in Vermont for the document checklist and step-by-step timeline.