Iowa General Knowledge Practice Test 2
25 questions covering general knowledge content, drawn from the FMCSA-aligned CDL question pool and the Iowa Commercial Driver's License Manual.
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 2. Unlock with Pro to take the full 25-question test.
Iowa is the nation's leading producer of corn and pork. How does this affect CDL operations?
What winter driving hazard is particularly relevant for CDL drivers in Iowa?
Iowa is prone to river flooding. What should CDL drivers know about flood hazards on Iowa roads?