2025 California Permit Test 16
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in California. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for California please visit https://cheat-sheets.dmv-written-test.com/en/california/car.
Number of Tests
Number of Question
Passing Score
19. What does this road sign mean?

Explanation
Warning signs are usually yellow with black markings. This sign warns that merging traffic will be entering from the right, so drivers should prepare to allow the incoming traffic to safely merge.
20. Hydroplaning occurs when tires ride on a thin film of water instead of on the surface of the road. To prevent hydroplaning in rainy weather, you should:
Explanation
In rainy weather, you should lower your speed to reduce the risk of hydroplaning. Driving too fast may cause your tires to ride up on the water and lose contact with the surface of the road, making it very difficult to control your vehicle.
21. After passing a vehicle, it is safe to return to your driving lane when:
Explanation
Before you return to your driving lane, be sure you are not dangerously close to the vehicle you have just passed. One way to do this is to look for the vehicle in your inside rearview mirror. When you can see both headlights in your rearview mirror, you may have enough room to return to your driving lane.
22. When you want to change lanes, you should never:
Explanation
You should never change lanes within an intersection. Before changing lanes, always look over your shoulder to check your blind spot. Be alert to other drivers moving into the same lane.
23. Only ____ can reduce blood alcohol content (BAC) and alcohol's effects on the body.
Explanation
Only the passage of time can remove alcohol and its impairing effects from the body.
24. Placard abuse will result in:
Explanation