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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.. Read More

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://cheat-sheets.dmv-written-test.com/en/iowa/car.

Number of Tests 24

Number of Question 35

Passing Score 28

31. Water on the road can cause a vehicle to hydroplane. Your car may hydroplane at speeds as low as:

45 miles per hour.

35 miles per hour.

40 miles per hour.

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.

32. You may drive around or under a gate that is being lowered or raised at a railroad crossing:

As long as an approaching train is not too close.

If your vehicle can do so without damaging the gate.

If you first look carefully in both directions.

Under no circumstances.

Flashing red lights, lowered crossing gates, and/or bells at a railroad crossing mean that you must come to a complete stop. You must not go across the tracks until the lights and bells have stopped and the crossing gates are completely up. Do not drive around or under a gate that is moving up or down.

33. If worried, nervous, angry, or crying, a driver:

Will drive no differently than they would if they were thinking more clearly.

Can drive faster because they are more in touch with their senses.

Should take the time to focus on driving before starting the engine.

Should call a friend to vent while driving.

You may not be able to drive well if you are worried, excited, crying, angry, or depressed. Emotions can distract you from your driving because your mind is focused on something else. Take time to calm down and get focused before driving.

Entrance to full parking lots.

Entrance to road construction areas.

Entrance to dead-end streets.

Entrances from the wrong direction on one-way streets and expressway ramps.

This sign warns that a road has one-way traffic and you must not enter from your current direction.

35. If an emergency vehicle with flashing lights is traveling in the area where you are driving, you should:

Speed up to avoid the emergency vehicle.

Stop your vehicle immediately and prevent them from passing.

Make every effort to give the emergency vehicle a clear path of travel.

Signal to the emergency vehicle when it is clear for them to pass you.

If an emergency vehicle with flashing lights is traveling in the area where you are driving, you must make every effort to give them a clear path of travel. If it is safe to do so, pull your vehicle to the side of the road to give the emergency vehicle an open pathway.

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