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FREE Oklahoma CDL General Knowledge Practice Test 1 2026

49
Questions
39
To pass
37
Min to pass

Covers the FMCSA General Knowledge core every OK CDL applicant is tested on - 49 questions on vehicle inspection, basic control, and safe driving practices, with 39 correct to pass.

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Oklahoma Official CDL Handbook
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A tractor-trailer 'jackknife' happens when:

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Oklahoma CDL General Knowledge Practice Test 1: what to expect and what trips drivers up

This Oklahoma CDL practice test is the best place to begin, because it mirrors the General Knowledge written exam that every commercial driver in the state must pass. Use this free CDL practice test to build the foundation, whether you are aiming for a Class A, B, or C license. How many questions are on the Oklahoma CDL general knowledge test? There are 50, and you need to answer 80 percent, or 40 correctly, to pass. That standard comes from the federal FMCSA, so it holds nationwide.

Because this same written exam earns your Commercial Learner's Permit, an Oklahoma CDL permit test and a General Knowledge test are one and the same. Taking a DMV CDL practice test online before you visit Service Oklahoma is the smartest way to learn how to get your CDL permit without wasting an attempt.

Oklahoma runs on trucks: tankers haul crude and water across the oil and gas fields, reefer and dry-van loads pour through Oklahoma City where I-35 meets I-40, and oversized turbine blades roll out to the wind farms. Pair every attempt with the Oklahoma Commercial Driver License Manual, then keep retaking this 2026 CDL practice test online until 40 out of 50 feels easy.

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Every question traces back to the Oklahoma CDL Manual - skim the right-of-way and signs chapters before your retake.

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🎓 Exam Mode - just like the real thing

  • ⏱ 37-minute timer, same as your DMV
  • 🙈 No hints, no instant feedback
  • 🔀 Questions come in random order
  • ❌ More than 10 mistakes ends the exam - like the real one
  • 💾 Your practice progress on this test stays saved

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