Nebraska General Knowledge CDL Practice Test
Below are 25 exam-style questions for the Nebraska General Knowledge CDL knowledge test, modeled on the FMCSA-aligned content used by the Nebraska Department 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 Cargo is the shipper's responsibility, not yours
- B Tying a load down once at the start is enough
- C Federal rules do not apply to cargo securement
- D You must inspect cargo and securement before driving and within the first 50 miles
- A In residential areas only because of noise
- B Roads are wet, icy, or snow-covered
- C Driving in dry conditions
- D On any downgrade
- A Coast in neutral
- B Use the parking brake hard
- C Shift into reverse
- D Look for an escape ramp
- A Releasing the parking brake on a flat surface and tugging gently against it
- B Setting the parking brake, releasing the service brakes, and gently trying to move the vehicle in low gear
- C Pumping the brakes
- D Driving over a speed bump
- A Engine braking helps keep speed under control
- B Brakes alone are not designed to hold a heavy vehicle on a long downgrade
- C Heavy vehicles can slow down sharply on grades
- D All of the above
- A 1 hour
- B 7 days
- C 24 hours
- D A reasonable time, before going off duty
- A Only at night
- B Only on the highway
- C When you are stopped or moving slowly enough to be a hazard
- D Whenever you feel like it
- A It would push your weight over legal limits
- B The cargo is not properly secured or placarded
- C All of the above
- D It would make you exceed federal hours-of-service rules
- A Tires lose contact with the road on a film of water
- B Tires are over-inflated
- C Roads are dry but hot
- D You brake hard on dry pavement
- A It increases brake pressure automatically
- B It always stops the vehicle in a shorter distance
- C It prevents wheel lockup so the driver can keep steering
- D It applies the parking brake
- A Trouble remembering the last few miles
- B All of the above
- C Frequent yawning
- D Drifting in your lane
- A Increase your following distance from the vehicle in front to give both of you more room
- B Speed up to get away
- C Move to the left lane only
- D Brake suddenly to teach a lesson
- A Coasting in neutral
- B Applying the brakes as hard as possible without locking the wheels
- C Locking the wheels
- D Pumping the brakes hard and fast
- A Speed times weight
- B Brake-lag distance only
- C Reaction distance only
- D Perception distance + reaction distance + brake-lag distance + braking distance
- A Tap the horn lightly or flash lights to signal your presence
- B Honk loudly to warn other drivers
- C Never communicate; just drive
- D Make eye contact only when stopped
- A Gross Vehicle Width Rating
- B Gross Vehicle Weight Rating
- C Government Vehicle Weight Regulation
- D General Vehicle Weight Reading
- A Three reflective triangles: 10 ft, 100 ft, and 200 ft toward approaching traffic
- B A spotter walking 1,000 ft up the road
- C A flare burning constantly
- D One reflective triangle within 10 feet
- A Honk and accelerate
- B Move to the right lane
- C Maintain speed
- D Cover the brake and slow down
- A 1/32 inch
- B 2/32 inch
- C 6/32 inch
- D 4/32 inch
- A Gravel surfaces
- B Roads in direct sunlight
- C Bridges and overpasses
- D Concrete pavement only
- A Gross Combination Weight Rating
- B General Carrier Weight Rating
- C Government Combination Weight Reading
- D Gross Cargo Weight Rating
- A Use a helper and walk around the vehicle first
- B Back without using mirrors so you can watch out the window
- C Back to the right whenever possible
- D Back fast to get it over with
- A No one
- B The dispatcher only
- C The driver, in the form of a logbook or electronic logging device
- D The carrier only
- A 0.08% or higher
- B 0.04% or higher
- C Any detectable amount above 0.00%
- D 0.10% or higher
- A Use the four-way flashers instead of signals at intersections
- B Signal early, signal continuously, and cancel after the turn
- C Signal only at the moment you start turning
- D Signal only when other vehicles are present
Study tips for the Nebraska General Knowledge exam
The General Knowledge portion of the Nebraska CDL exam is graded out of the bank of questions the Nebraska Department of Motor Vehicles draws from each year. While the exact bank is not published, every question is sourced from the General Knowledge chapter of the Nebraska 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 Nebraska 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 Nebraska Department 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 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 Nebraska 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 Nebraska 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 Nebraska Department of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: NE Air Brakes · NE Combination Vehicles · NE Hazardous Materials · NE Passenger · NE School Bus · NE Tank Vehicle · NE Doubles / Triples
New to the CDL process in Nebraska? Read How to apply for a CDL in Nebraska for the document checklist and step-by-step timeline.