10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free NE-CDL questions are organized by exam domain, so you can see how each part of the Nebraska CDL Permit Test blueprint is tested. Reveal the answer and explanation under each question.
An applicant will operate an air-brake tractor-semitrailer with a manufacturer-rated GCWR of 44,000 pounds and a trailer GVWR of 15,000 pounds. No endorsements are sought. Which knowledge tests apply to this vehicle?
Correct answer: C - General Knowledge, Combination Vehicles, and Air Brakes
During a pre-trip inspection, every major groove on a steering-axle tire measures 3/32 inch. Inflation and the sidewall are otherwise normal. What is the proper disposition?
Correct answer: A - Replace the tire before the vehicle is operated
A driver and spotter agree on hand signals before the driver begins backing toward a loading dock. Halfway through the maneuver, the spotter disappears from the driver's mirror. The driver should:
Correct answer: D - Stop immediately and re-establish visual contact with the spotter
A 57-foot tractor-semitrailer is traveling 48 mph on a dry, level road. Before adding extra space for traffic or weather, the basic CDL following-distance rule calls for a minimum starting interval of:
Correct answer: B - 7 seconds
Before a long downgrade, a driver selects 35 mph as the safe speed and shifts into a low gear. Which use of the brakes correctly applies the snub-braking method?
Correct answer: A - Apply firmly to 30 mph, release fully, and repeat when speed returns to 35 mph
At highway speed, a steering tire blows and the truck pulls sharply toward the failed tire. Which response sequence gives the driver the best chance of maintaining control?
Correct answer: C - Grip the wheel firmly, ease off power, and delay braking until the truck has slowed
A 22-foot machine weighs 14,000 pounds. Four marked tiedowns each contribute 2,000 pounds to the aggregate working load limit. Assume no commodity-specific rule requires more securement. Which assessment is correct?
Correct answer: D - Both requirements are met under the stated general securement rules
At pickup, a sealed trailer visibly leans to the right and the right-side suspension is heavily compressed. The paperwork lists a legal gross weight, but the driver is not authorized to break the seal. What should happen before departure?
Correct answer: B - Hold the trailer until the lean and axle or load distribution are investigated
With the engine off, wheels chocked, parking brakes released, and service brake fully applied, a combination vehicle loses 3.6 psi in one minute after the initial pressure drop has stabilized. How should this applied-leakage result be scored?
Correct answer: C - Pass this check; the applied limit for a combination vehicle is 4 psi
During a fan-down test on a standard tractor-semitrailer, the low-air warning activates at 58 psi and the parking-control valves pop out at 28 psi. The correct evaluation is:
Correct answer: A - Both readings are within the standard ranges
The full bank has 1,020 more NE-CDL questions with explanations.
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