Passenger

To receive this endorsement, applicants must pass a test consisting of 20 multiple choice questions. Each question has three answer choices. To pass, the applicant must answer at least 16 questions.. Read More

To receive this endorsement, applicants must pass a test consisting of 20 multiple choice questions. Each question has three answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Iowa Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Transporting Passengers Safely, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. The Passenger endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. What should be done to prevent an engine fire from spreading?

Explanation
To help stop an engine fire from spreading, turn the engine off as soon as possible.

2. While driving, if you notice anything that affects safety or could lead to mechanical problems, you should:

Explanation
After finishing a day of driving, you may have to complete a written report on the condition of your vehicle. Be sure to mention anything that could affect safety or lead to mechanical breakdown.

3. Within 10 minutes of stopping on the side of the road, you must:

Explanation
If you must stop on the side of the road, you must place the appropriate emergency warning devices within 10 minutes of stopping.

4. Texting while driving should:

Explanation
Texting while driving is a dangerous distraction and is prohibited at all times when operating a CMV.

5. If unable to tell if the road is becoming icy and slippery, a driver:

Explanation
If you think the road surface may be becoming icy but you are not certain, you can open your window and feel the front of the side mirror, mirror support, or antenna. If ice has formed on any of these items, the road is likely becoming icy as well.

6. Roads are the most slippery right after it begins to rain because:

Explanation
Roads are particularly slippery when it first begins to rain. The water mixes with oil drippings on the road that have not yet washed away, creating a slippery and dangerous mixture.

7. When transporting cargo, drivers must check the securement of the cargo every:

Explanation
The securement of cargo must be checked within the first 50 miles of a trip, and then again every three hours or 150 miles.
DMV Writen Test Logo