Washington CDL — General Knowledge Practice Test

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

Or take one of 10 full-length practice tests

50 questions · pass with 40 correct. You get instant feedback and an explanation after every answer.

Choose your level

The full-length test, with feedback and an explanation after every answer.

Washington CDL — General Knowledge practice tests

10 full-length practice tests, each with 50 questions and a pass mark of 40, like the real test. You see the answers and explanations after you grade.

Test 1
50 questions · pass with 40
You are approaching a railroad crossing and a train is coming. Why should you never try to beat the train across?
Test 2
50 questions · pass with 40
A property-carrying driver may not drive after being on duty how many hours in 7 consecutive days?
Test 3
50 questions · pass with 40
Why is it best to signal well before you make a turn in a large vehicle?
Test 4
50 questions · pass with 40
You have pulled off the road and stopped at night. What should you turn on so other drivers do not crash into you?
Test 5
50 questions · pass with 40
What is the correct speed and gear for backing a large vehicle?
Test 6
50 questions · pass with 40
According to the guide, what causes the most injuries and deaths in roadway work zones?
Test 7
50 questions · pass with 40
When you park, how can you make it unnecessary to back up dangerously later?
Test 8
50 questions · pass with 40
In rain, at dawn, or at dusk when it is hard to see, how should you make your vehicle more visible to others?
Test 9
50 questions · pass with 40
Which of these servings contains about the same amount of alcohol as a 12-ounce glass of beer?
Test 10
50 questions · pass with 40
You are approaching a railroad crossing and a train is coming. Why should you never try to beat the train across?