Oklahoma CDL — General Knowledge practice
Oklahoma CDL — General Knowledge: Penalties & Licensing practice test
The point system, license suspension, provisional-license rules, insurance requirements, and other licensing basics.
Content reviewed against official driver handbooks · August 12, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
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12 sample Penalties & Licensing questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. How many federal CDL endorsements are there?
Correct answer: Six
There are six federal endorsements: doubles/triples, tank, passenger, hazardous materials, combined tank/hazmat, and school bus.
Source: Oklahoma CDL Manual — Section 1: Introduction
2. The 'E' restriction on a CDL means the driver may not operate a CMV with...
Correct answer: A manual transmission
An 'E' restriction, given when the skills test is done in an automatic, bars driving a CMV with a manual transmission.
Source: Oklahoma CDL Manual — Section 1: Introduction
3. If you don't take or you fail the air-brake portion of the test, your CDL receives which restriction?
Correct answer: L
Failing or skipping the air-brake test, or testing in a vehicle without air brakes, adds the 'L' restriction.
Source: Oklahoma CDL Manual — Section 1: Introduction
4. A CDL is also required for a vehicle designed to carry how many people, including the driver?
Correct answer: 16 or more
A vehicle built to transport 16 or more people, counting the driver, requires a CDL.
Source: Oklahoma CDL Manual — Section 1: Introduction
5. Which endorsements can be placed on a Commercial Learner's Permit (CLP)?
Correct answer: P, S, and N
Only the Passenger (P), School Bus (S), and Tank (N) endorsements may be added to a CLP.
Source: Oklahoma CDL Manual — Section 1: Introduction
6. The CDL skills test has three parts that must be passed in order. They are...
Correct answer: Vehicle inspection, basic control, and on-road driving
In order, the three skills segments are the vehicle-inspection test, the basic-control test, and the on-road drive.
Source: Oklahoma CDL Manual — Section 1: Introduction
7. A second major alcohol or drug offense results in losing your CDL for how long?
Correct answer: Life
A second such offense means you lose your CDL for life.
Source: Oklahoma CDL Manual — CDL Disqualifications
8. A tank endorsement is required when a tank holds more than 119 gallons individually and an aggregate of...
Correct answer: 1,000 gallons or more
The tank endorsement applies to tanks with an individual capacity over 119 gallons and an aggregate of 1,000 gallons or more.
Source: Oklahoma CDL Manual — Section 1: Introduction
9. A driver holding a Class A license may also operate vehicles in which classes?
Correct answer: Classes B and C
Because Class A skills include the others, a Class A holder may also drive Class B and Class C vehicles.
Source: Oklahoma CDL Manual — Section 1: Introduction
10. A first alcohol-related offense in a CMV results in loss of your CDL for at least...
Correct answer: One year
A first alcohol- or drug-related offense costs you your CDL for a minimum of one year.
Source: Oklahoma CDL Manual — CDL Disqualifications
11. Class A covers combination vehicles rated 26,001+ lbs when the towed unit weighs more than...
Correct answer: 10,000 lbs
A combination is Class A when the GCWR is 26,001 pounds or more and the towed unit's GVWR exceeds 10,000 pounds.
Source: Oklahoma CDL Manual — Section 1: Introduction
12. Which endorsement is required to haul placarded hazardous materials?
Correct answer: H
The 'H' endorsement is needed to transport materials that require hazmat placards.
Source: Oklahoma CDL Manual — Section 1: Introduction
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