Wyoming General Knowledge CDL Practice Test
Below are 25 exam-style questions for the Wyoming General Knowledge CDL knowledge test, modeled on the FMCSA-aligned content used by the Wyoming Department of Transportation. 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 1 second
- B 6 seconds
- C 10 seconds
- D 4 seconds
- A A trailer hitch component
- B A type of cargo strap
- C A low-air pressure warning device that drops a flag in front of the driver
- D A fuel-saving switch
- A 16 hours
- B 14 hours
- C 11 hours
- D 10 hours
- A Applying the brakes as hard as possible without locking the wheels
- B Coasting in neutral
- C Pumping the brakes hard and fast
- D Locking the wheels
- A Use low-beam headlights and slow down
- B Use the four-ways while in motion at highway speed
- C Drive faster to get out of the fog quickly
- D Use high-beam headlights for maximum visibility
- A Use a low gear and steady moderate brake application
- B Disengage the clutch and coast
- C Pump the brakes hard and fast
- D Use the parking brake to slow down
- A A passenger door is open
- B A trailer brake light is out
- C Required emergency equipment is missing
- D A vehicle is in safe operating condition
- A CDL disqualification for at least one year for a first offense
- B A warning
- C No federal consequence
- D A fine only
- A The driver, in the form of a logbook or electronic logging device
- B The dispatcher only
- C No one
- D The carrier only
- A To rest the right leg
- B To save fuel and improve mileage
- C To save brake pads and reduce drag
- D So the brake lights don't mislead following drivers and so the brakes don't overheat
- A All of the above
- B Increase following distance
- C Slow down
- D Make smooth steering and braking inputs
- A Within the first 25 miles, then about every 150 miles or every 3 hours
- B Only when the load is hazardous
- C Only if a warning light comes on
- D At the end of the trip
- A On vehicles with ABS
- B On wet roads only
- C To save fuel
- D On vehicles without ABS, to keep them straight in an emergency
- A Took the test and passed
- B Need to take it again later
- C Did not take the test, with no consequence
- D Took the test and failed
- A A flare burning constantly
- B One reflective triangle within 10 feet
- C A spotter walking 1,000 ft up the road
- D Three reflective triangles: 10 ft, 100 ft, and 200 ft toward approaching traffic
- A Annoying passengers
- B Engine damage
- C Powertrain wear and possible loss of control on slippery surfaces
- D Wasting fuel only
- A Release the brake, let the wheels turn freely, and let the vehicle slow down
- B Accelerate
- C Brake hard immediately
- D Steer sharply in the opposite direction
- A When you are stopped or moving slowly enough to be a hazard
- B Only at night
- C Only on the highway
- D Whenever you feel like it
- A 12 and 6
- B Both hands at the bottom
- C 10 and 2 (or 9 and 3)
- D One hand at 12
- A Roads are wet, icy, or snow-covered
- B On any downgrade
- C Driving in dry conditions
- D In residential areas only because of noise
- A Any detectable amount above 0.00%
- B 0.10% or higher
- C 0.04% or higher
- D 0.08% or higher
- A It wastes brake pads
- B It cools the brakes too much
- C It triggers the ABS warning light
- D Brake fade can leave you with reduced or no braking power
- A Tire chains are required by federal law
- B It is safe to drive at the posted speed limit
- C High beams improve visibility in heavy rain
- D Roads are most slippery just after rain begins, when water mixes with road oil
- A Brakes self-adjust forever
- B Brake adjustment is the dispatcher's responsibility
- C Drum brakes never need adjustment
- D Slack adjusters need periodic checking; pushrod travel beyond limits is out-of-service
- A Fills the trailer floor edge to edge
- B Looks neat from the outside
- C Is loaded in the order it will be delivered
- D Cannot shift on stops, starts, or turns and is within axle weight limits
Study tips for the Wyoming General Knowledge exam
The General Knowledge portion of the Wyoming CDL exam is graded out of the bank of questions the Wyoming Department of Transportation draws from each year. While the exact bank is not published, every question is sourced from the General Knowledge chapter of the Wyoming 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 Wyoming 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 General Knowledge.
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 Wyoming Department of Transportation 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 General Knowledge 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 Wyoming General Knowledge practice test before scheduling the real exam.
Next steps
Missed more than four questions? Re-read the General Knowledge study guide and the matching chapter in the official Wyoming 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 Wyoming Department of Transportation office.
Already comfortable with this endorsement? Drill another: WY Air Brakes · WY Combination Vehicles · WY Hazardous Materials · WY Passenger · WY School Bus · WY Tank Vehicle · WY Doubles / Triples
New to the CDL process in Wyoming? Read How to apply for a CDL in Wyoming for the document checklist and step-by-step timeline.