Free, full Wyoming CDL general knowledge test practice right here in your browser — real exam format (50 questions, 80% to pass), diagnostic and adaptive modes, spaced-repetition review, and a readiness dashboard. No signup, no paywall — your progress is saved automatically on this device. Matched to the official WYDOT knowledge exam.
Under which condition does the short-haul exemption apply to property-carrying drivers?
A. Operating within a 150 air-mile radius of the normal work reporting location, working a maximum 14-hour shift — Property-carrying short-haul drivers who operate within a 150 air-mile radius and return to the work reporting location within 14 hours may use the short-haul exemption (no RODS required).
What is the maximum legal weight on a tandem axle group on most U.S. highways?
B. 34,000 lbs — The federal tandem axle weight limit is 34,000 lbs. This applies to any two axles within 40 inches of each other on the Interstate Highway System.
CDL safety scenario 39: If the low air pressure warning activates while driving a commercial vehicle, what should you do?
B. Stop safely as soon as possible — Stop safely as soon as possible. Commercial drivers are expected to manage this situation before it becomes a crash risk. The CDL manual emphasizes controlling the vehicle, inspecting safety-critical systems, and correcting hazards promptly.
When evacuating a bus in an emergency, where should passengers be moved?
B. At least 100 feet away from the bus, off the road and upwind if there is a fuel leak or fire risk — Passengers should be evacuated to a safe distance (at least 100 feet) from the bus, off the road, and upwind if there is any risk of fuel leak or fire, to protect them from additional hazards.
When inspecting the cab during a pre-trip, what should you do with the horn?
B. Test it to make sure it is working — a functioning horn is a federal requirement for all CMVs — A working horn is required on all CMVs by 49 CFR 393.81. Test the horn as part of the cab inspection to verify it operates before beginning the trip.
What is the FIRST step in uncoupling a set of doubles?
B. Park and secure the second trailer — When uncoupling doubles, the first step is to park on a level surface and chock/secure the rear trailer's wheels before disconnecting anything.
What is a 'CVSA Level I inspection'?
B. The most thorough roadside inspection, covering both the driver (credentials, hours, medical certificate) and the vehicle (all accessible components) — CVSA Level I (North American Standard Inspection) is the most comprehensive roadside inspection. It covers both driver qualifications and vehicle mechanical components, including brakes, coupling, tires, lights, and cargo securement.
CDL safety scenario 70: What is the purpose of hours-of-service rules?
A. To reduce fatigue-related crashes — To reduce fatigue-related crashes. Commercial drivers are expected to manage this situation before it becomes a crash risk. The CDL manual emphasizes controlling the vehicle, inspecting safety-critical systems, and correcting hazards promptly.
Baffles in a liquid tanker help reduce:
D. Front-to-back surge — Baffles have holes that allow liquid to flow through but reduce front-to-back surge. They don't prevent side-to-side surge.
When driving in mountains, you should select a safe speed and gear:
B. Before starting down the grade — Select a lower gear before starting down a grade. This lets the engine help control speed and preserves your brakes.
The Wyoming CDL general knowledge test has 50 questions, and you need 80% to pass — at least 40 correct answers. The practice tests on this page use the same format. The 80% passing score is a federal FMCSA standard used by every state.
80%. You can miss at most 10 of the 50 questions. The readiness dashboard on this page tracks whether you're consistently scoring above that bar.
In Wyoming, driver licensing is handled by the Wyoming Department of Transportation (WYDOT), so you'll often see the exam called the WYDOT CDL general knowledge test. The practice tests on this page match the official WYDOT knowledge exam format.
Yes. Every practice test on this page and everything in the DMVPrep iPhone app is free — no ads, no paywall, no account.
Federal motor carrier safety regulations (FMCSA) — the same rules every state's CDL exam is drawn from. Every question in the DMVPrep app cites the regulation or handbook section it comes from.
Yes — the DMVPrep app includes all 3,745+ questions in Spanish, and the whole app works in Spanish.