Alaska Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Alaska Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Alaska Division 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 Yes — they should be readily identifiable for emergency responders
- B No — mix them in with other paperwork
- C Only if the receiver requests it
- D Only on long trips
- A One
- B Six
- C Four (one on each side and one on each end)
- D Two
- A A medical card
- B An expired permit or shipper certification missing
- C Cargo securement straps
- D A logbook
- A Pickups only
- B Any vehicle
- C Vehicles older than 5 years
- D Vehicles whose driver and equipment meet all federal safety requirements
- A Hand off the unloading to the receiver
- B Disconnect the bonding wire first
- C Leave the truck and return when finished
- D Stay within 25 feet of the vehicle and have a clear view of it
- A Driver's license number
- B A proper shipping name, hazard class, and identification number
- C Only the shipper's name
- D Only the price
- A No special handling
- B Special handling, additional documentation, and route planning
- C Vehicle escort
- D Only a special placard at night
- A Trust the shipper without checking
- B Only sign and drive
- C Verify markings, labels, placards, papers, and securement before signing for it
- D Wait for an inspector
- A Before each trip and at every stop
- B Annually only
- C Once per year by federal officials
- D When the tank is full
- 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 A pilot car
- B A separate trailer license
- C A medical card upgrade
- D X (combination of H and N for tank vehicles carrying hazardous materials)
- A Must be operated by the receiver
- B Must meet special standards or be turned off
- C Are unrestricted
- D May only be used after 6 p.m.
- A Have a flashing light on
- B Be attended by the driver
- C Be in a low gear
- D Be locked
- A The shipper
- B The carrier and the driver
- C The state DMV
- D The receiver
- A Only at the start and end
- B Never; tires are the carrier's responsibility
- C Once a week
- D At the start of each trip and each time they stop
- A The driver must be at the fueling control
- B Engine must be off
- C No smoking within 25 feet
- D All of the above
- A All of the above
- B Park within 5 feet of a road
- C Park near a fire
- D Park near an open flame
- A 50 feet
- B 25 feet
- C 10 feet
- D 100 feet
- A Cargo cannot shift, leak, or be exposed to ignition sources
- B Containers can rub against each other
- C Cargo blocks emergency exits
- D They can shift freely
- A Notify the National Response Center if the load is leaking or hazmat-related
- B All of the above
- C Notify the carrier immediately
- D Provide the responding officers with the shipping papers and ERG
- A Vehicle without working brake lights or in unsafe condition
- B Truck designed for the specific class
- C Properly placarded trailer
- D Vehicle in compliance with HMR
- A On a public street within 5 feet of the road
- B Within 300 feet of a tunnel, bridge, or building used by the public, except for short rest stops
- C In any rest area
- D In a designated truck stop
- A Refer to 49 CFR Parts 100-185 (HMR)
- B All of the above
- C Contact the carrier safety officer
- D Refer to the ERG
- A Routes specifically prohibited by state or local rules
- B Tunnels not authorized for explosives
- C Heavily populated areas where possible
- D All of the above
- A Cardboard boxes only
- B A pallet
- C Any package over 1 lb
- D One that has more than 119 gallons capacity (liquids) or more than 882 lbs (solids)
Study tips for the Alaska Hazardous Materials exam
The Hazardous Materials portion of the Alaska CDL exam is graded out of the bank of questions the Alaska Division 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 Alaska 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 Alaska 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 Alaska Division 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 Alaska 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 Alaska 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 Alaska Division of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: AK General Knowledge · AK Air Brakes · AK Combination Vehicles · AK Passenger · AK School Bus · AK Tank Vehicle · AK Doubles / Triples
New to the CDL process in Alaska? Read How to apply for a CDL in Alaska for the document checklist and step-by-step timeline.