Free, full Arkansas 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.
What is 'fatigue' as a safety concern for CDL drivers, and what is the only safe remedy?
B. Fatigue impairs reaction time, judgment, and alertness as much as alcohol; the only remedy is actual sleep — not caffeine or brief naps under 10 minutes — Research shows that severe fatigue impairs driving as much as a BAC of 0.08%. The only effective remedy is adequate sleep. Stimulants mask fatigue temporarily but do not restore cognitive function.
When checking the cab during pre-trip, verify that all mirrors are:
D. Clean, properly adjusted, and not cracked or broken — All mirrors must be clean, properly adjusted for the driver, and free of cracks or damage that would impair visibility.
When must placards be removed from a vehicle?
B. When the vehicle no longer contains the hazardous material that required the placard — Placards must be removed when the hazardous material that required the placard is no longer aboard — maintaining incorrect placards can mislead emergency responders.
A CMV driver is required to stop at all railroad crossings unless:
D. The crossing is marked as exempt with a specific sign — CMVs carrying hazardous materials, school buses (loaded or empty), and buses carrying passengers must always stop at railroad crossings. Other CMVs may proceed without stopping only at crossings marked with an Exempt sign.
Baffles in a liquid tanker are used to:
C. Reduce forward and backward liquid surge — Baffles (bulkheads with holes) control forward-and-backward liquid surge. However, they do NOT stop side-to-side surge.
What is the correct order for a systematic pre-trip inspection?
C. Engine compartment, cab interior, front of vehicle, driver side, rear, passenger side — A systematic pre-trip follows a consistent path around the vehicle: engine compartment → cab → front of truck → left (driver) side → rear → right (passenger) side → back into cab. Consistency prevents missed items.
When loading or unloading explosives or flammable materials, smoking is prohibited within:
B. 25 feet — No one may smoke or carry a lighted smoking item within 25 feet of a vehicle that contains explosives, oxidizers, or flammables.
What is the 'swing' hazard when making a left turn in a combination vehicle?
B. The trailer's tail swinging outward to the right, which can hit pedestrians or objects to the right of the vehicle — When making a left turn, the rear of the trailer swings to the right (outward). This 'tail swing' can strike pedestrians, cyclists, vehicles, or fixed objects on the right side. Check right mirrors and ensure clearance before turning.
Cargo that is loaded improperly can cause:
C. The vehicle to tip over or handling problems — Improperly loaded or unbalanced cargo can cause rollovers, poor handling, axle damage, or brake problems.
Under HOS rules, after 8 consecutive hours of driving, you must take a break of at least:
D. 30 minutes — After accumulating 8 hours of driving, federal HOS rules require at least a 30-minute off-duty break before driving again. The break can be taken as a sleeper berth period. Skipping it extends fatigue and violates regulations that can result in an out-of-service order.
The Arkansas 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.
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.