Skip to main content
DMV Test Free
ENES

Practice test 6 of 10

Oregon CDL — General Knowledge Practice Test 6

The Oregon CDL — General Knowledge knowledge test has ~50 questions; you need ~40 correct (80%) to pass.

This practice test follows that format: 50 questions, pass with 40 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 50

  1. 1.How does the speed at which you drink affect your blood alcohol concentration?
  2. 2.How long do you lose your CDL for a first major alcohol offense while operating a CMV placarded for hazardous materials?
  3. 3.At a crossing with gates and flashing lights, when may you proceed across the tracks?
  4. 4.When should you activate your turn signal before making a turn?
  5. 5.Why can't you rely on the fact that you fit under a bridge while loaded?
  6. 6.If you commit two serious traffic violations involving a CMV within three years, how long do you lose your CDL?
  7. 7.What describes the controlled braking method for stopping quickly?
  8. 8.How long are commercial knowledge test scores valid?
  9. 9.What clue can a driver's head and body movement give you about their next action?
  10. 10.In what language are Oregon commercial knowledge tests given?

0 of 50 answered