Ohio General Knowledge Practice Test 4
50 questions covering general knowledge content, drawn from the FMCSA-aligned CDL question pool and the Ohio Commercial Driver License Manual (HSY 7605).
What this test covers
The General Knowledge test has 50 multiple-choice questions in most states (some states use a slightly different question count). You need an 80% score to pass. Topics include safe driving practices, transporting cargo safely, vehicle inspection procedures, communication with other drivers, speed and space management, hazard awareness, distracted-driving rules, fatigue and hours of service basics, accident procedures, and the consequences of alcohol and controlled substance use. The test draws from the General Knowledge section of your state's CDL manual.
Sample General Knowledge questions
Preview of what is on Practice Test 4. Unlock with Pro to take the full 50-question test.
If a CDL holder has an 'L' restriction on their license, what does it mean?
If you take the CDL skills test in a vehicle with an automatic transmission, what restriction will be placed on your CDL?
At what gross vehicle weight rating (GVWR) is a CDL required for a single vehicle?