Oregon CDL — General Knowledge practice
Penalties & Licensing
The point system, license suspension, provisional-license rules, insurance requirements, and other licensing basics.
Content reviewed against official driver handbooks · July 7, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
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.
1. What is the penalty for a second major offense such as driving a CMV under the influence?
Correct answer: Loss of CDL for life
You will lose your CDL for life for a second major offense such as driving under the influence.
Source: Oregon Commercial Driver Manual, Section 1.3.2 - Alcohol, Leaving the Scene, and Felony
2. How long do you lose your CDL for a first major alcohol offense while operating a CMV placarded for hazardous materials?
Correct answer: At least three years
You will lose your CDL for at least three years if the offense occurs while operating a CMV placarded for hazardous materials.
Source: Oregon Commercial Driver Manual, Section 1.3.2 - Alcohol, Leaving the Scene, and Felony
3. When is a tank vehicle (N) endorsement required?
Correct answer: For tanks over 119 gallons individually and 1,000 gallons or more in total
The tank endorsement is required for tanks with an individual rated capacity of more than 119 gallons and an aggregate capacity of 1,000 gallons or more.
Source: Oregon Commercial Driver Manual, Section 1 - CDL Endorsements
4. A vehicle designed to carry how many people, including the driver, requires a CDL?
Correct answer: 16 or more, including the driver
A vehicle designed to transport 16 or more passengers, including the driver, requires a CDL.
Source: Oregon Commercial Driver Manual, Section 1 - Introduction
5. What is the penalty for using a CMV to commit a felony involving a severe form of human trafficking?
Correct answer: Loss of privileges for life
You will lose your commercial driving privileges for life if you use a CMV to commit a felony involving certain severe forms of human trafficking.
Source: Oregon Commercial Driver Manual, Section i - Human Trafficking
6. How long are commercial knowledge test scores valid?
Correct answer: Six months
Commercial knowledge test scores are valid for six months from the date the test was passed.
Source: Oregon Commercial Driver Manual, Section i - Oregon Information
7. Which description fits a Class A combination vehicle?
Correct answer: A GCWR of 26,001 pounds or more with a towed unit over 10,000 pounds
Class A covers combinations with a GCWR of 26,001 pounds or more when the towed unit's GVWR is more than 10,000 pounds.
Source: Oregon Commercial Driver Manual, Section 1 - CDL Classifications
8. How long must you hold a valid Commercial Learner Permit (CLP) before taking the CDL skills test?
Correct answer: At least 14 days
You must hold a valid CLP for at least 14 days before you take the CDL skills test.
Source: Oregon Commercial Driver Manual, Section i - Oregon Information
9. How long do you lose your CDL for a second out-of-service order violation within a ten-year period?
Correct answer: At least one year
Two violations of an out-of-service order within a ten-year period cost you your CDL for at least one year.
Source: Oregon Commercial Driver Manual, Section 1.3.4 - Violation of Out-of-Service Orders
10. How long do you lose your CDL for a first railroad-highway grade crossing violation?
Correct answer: At least 60 days
You will lose your CDL for at least 60 days for your first railroad-highway grade crossing violation.
Source: Oregon Commercial Driver Manual, Section 1.3.5 - Railroad-highway Grade Crossing Violations
11. For how long can a Medical Examiner's Certificate (MEC) be valid?
Correct answer: No more than two years
A MEC can be valid for no more than two years.
Source: Oregon Commercial Driver Manual, Section i - Oregon Information
12. In what language are Oregon commercial knowledge tests given?
Correct answer: English only, with no interpreters
Commercial knowledge tests are only available in English, and interpreters are not allowed.
Source: Oregon Commercial Driver Manual, Section i - Oregon Information
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