Delaware CDL — General Knowledge Practice Test

The Delaware 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.

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

Delaware 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
Why is managing space especially important for large vehicles?
Test 2
50 questions · pass with 40
Why does the manual recommend regular eye exams by a specialist?
Test 3
50 questions · pass with 40
You approach an emergency vehicle stopped on the roadside. Which response is NOT what the manual's move-over guidance describes?
Test 4
50 questions · pass with 40
You drive a dry van that is not required to stop at every railroad crossing. To avoid a grade-crossing violation, what must you still do as you approach one?
Test 5
50 questions · pass with 40
At 55 mph in ideal conditions, which part of total stopping distance is the longest by the manual's figures?
Test 6
50 questions · pass with 40
A delivery truck rated under 26,001 pounds displays hazardous materials placards. Under Delaware's CDL classes, what license does its driver need?
Test 7
50 questions · pass with 40
If you stop to help at an accident, the manual says to park away from it. What reason does it give?
Test 8
50 questions · pass with 40
On the drinks chart in the manual, which label appears beside the row for a single drink?
Test 9
50 questions · pass with 40
A Delaware CLP holder wants to practice in a Class A tractor-trailer. Who must be in the vehicle?
Test 10
50 questions · pass with 40
After a quick evasive turn you must counter-steer. How does the manual describe the relationship between the two moves?