2025 Iowa Permit Test 20
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in Iowa. 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 Iowa please visit https://staging.dmvwrittentest.cheat-sheets.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
31. The faster the speed of your vehicle, the longer it takes to stop when you must react to other drivers' unexpected movements.
Explanation
The faster you are driving, the longer it will take for you to stop to react to other drivers' unexpected moves.
32. What does this road sign mean?
Explanation
This sign indicates that the road may be slippery when wet. Exercise caution when driving on a slippery road.
33. The proper way to make a right turn is to:
Explanation
Before beginning a right turn, use the appropriate signal to give surrounding drivers adequate notice of your intentions. Slow down and approach the intersection from the right lane, staying as close as is practical to the right curb or edge of the roadway.
34. Water on the road can cause a vehicle to hydroplane. Your car may hydroplane at speeds as low as:
Explanation
Hydroplaning occurs when there is standing water on a roadway. At speeds up to 35 mph, most tires will channel water away from the tire. As your speed increases past 35 mph, tires cannot channel the water as well and your tires may start to lose contact with the road and ride over the water like a set of water skis.
35. What should you do if your accelerator sticks while you are driving?
Explanation
If your accelerator sticks while you are driving, keep your eyes on the road. Quickly shift the vehicle into neutral and apply steady pressure on the brake pedal. Pull off the road when it is safe to do so and turn off the engine.
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