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CDL General Knowledge (North Carolina)

First published: September 3, 2026Last verified: September 3, 2026Reviewed by the CertQuestUSA team
TL;DR

CDL General Knowledge (North Carolina): a 124-question practice bank for the real CDL Permit & Endorsement Exams standard, 2 full papers of 50 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily FMCSA CDL Manual (77%) and 49 CFR (23%) of this exam's citations.

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2
full papers, no repeats
50
questions per paper
124
questions in the bank
What this exam covers
Real North Carolina CDL requirements

The knowledge tested here is federal (FMCSA) and identical nationwide -- what varies by state is who administers it and under what terms. Researched directly from North Carolina Division of Motor Vehicles (NCDMV)'s own site, verified 2026-09-03.

Administering agency
North Carolina Division of Motor Vehicles (NCDMV)
CLP (permit) fee
Secondary sources cite $43.25, NOT confirmed on an official NCDMV fee table in this pass -- the official NCDMV fees subpage was fetched directly and did not return dollar amounts (likely a JS-rendered table not visible to the fetch tool)
CDL license fee
Secondary sources cite ~$150.75 total CDL fees, structured as $21.50/year for the CDL plus $4.25/year per endorsement over a 5-year term -- NOT confirmed on an official NCDMV fee table in this pass
Minimum CLP hold before road test
14 days -- CONFIRMED on the official NCDMV commercial CDL page: 'applicants must hold the permit for at least 14 days' before the CDL skills test
CLP validity
180 days, eligible for one renewal also valid for 180 days -- CONFIRMED on the official NCDMV commercial CDL page
Spanish-language knowledge test
Available

Per secondary sources, North Carolina's General Knowledge CDL test is available in Spanish, and NCDMV separately publishes a Spanish-language driver manual and offers oral testing/interpreter assistance on request for the general (non-CDL) knowledge test. This was NOT independently confirmed against an official NCDMV page for the CDL-specific test in this pass -- the official commercial-CDL page fetched directly did not address test languages at all. No 2025/2026 change to NC's CDL Spanish-testing policy was found, but given the active federal ELP crackdown and the fact that two other researched states (TX, FL) dropped Spanish CDL testing in 2026, this must be re-confirmed directly against ncdot.gov/dmv before publishing.

5 real sample questions
Under the 30-minute break requirement in 49 CFR 395.3, a driver must take a break after accumulating how many cumulative hours of driving time?
A. 4 hours
B. 6 hours
C. 8 hours
D. 10 hours
Source: 49 CFR 395.3
What is the most important reason for performing a pre-trip inspection before every trip?
A. To satisfy your dispatcher that the truck left on time
B. To find problems that could cause a crash or breakdown before they happen on the road
C. To reduce the number of miles logged for the day
D. To avoid having to fill out any paperwork later
Source: FMCSA CDL Manual §2.1.1
A roadside inspector determines that a commercial motor vehicle has a safety defect serious enough to be an immediate hazard. What is the inspector authorized to do under 49 CFR 396.9?
A. Issue a warning only, since only the motor carrier can pull a vehicle from service
B. Declare the vehicle "out of service" until the defect is corrected
C. Impound the vehicle permanently
D. Fine the driver but allow the vehicle to continue to the next scheduled stop
Source: 49 CFR 396.9
Under the federal tire tread depth standard, what is the minimum tread depth allowed in any major tread groove on a steering axle tire?
A. 1/32 inch
B. 2/32 inch
C. 4/32 inch
D. 6/32 inch
Source: 49 CFR 393.75
What is the minimum tread depth required on non-steering axle tires of a commercial motor vehicle?
A. 1/32 inch
B. 2/32 inch
C. 3/32 inch
D. 4/32 inch
Source: 49 CFR 393.75
Same exam, other states
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Frequently asked questions

How many questions are on the CertQuestUSA CDL General Knowledge (North Carolina) practice test?
124 questions total, split into 2 full papers of 50 each with no repeats across papers.
What topics does the CDL General Knowledge (North Carolina) test cover?
13 domains, with the heaviest weight on Vehicle Inspection (14%), Basic Control & Shifting (10%), and Emergency Maneuvers & Skid Control (10%).
Where do CertQuestUSA's CDL General Knowledge (North Carolina) questions come from?
Primarily FMCSA CDL Manual (77%) and 49 CFR (23%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.
Is there a free diagnostic for CDL General Knowledge (North Carolina)?
Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.
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