Iowa DMV Practice Test - Free 20 Questions

Question 1

When passing, when should you move back into the right lane?

Accepted Answer

When you can see both headlights of the passed vehicle in your rearview mirror.

Answer

When you are one vehicle length ahead.

Answer

After a fixed three-second wait.

Answer

When the driver waves you back.

Question 2

When turning left at an intersection, you must:

Accepted Answer

Always yield to oncoming traffic and pedestrians.

Answer

Expect oncoming traffic and pedestrians to yield to you.

Answer

Never yield to anyone.

Answer

Only yield to vehicles, not pedestrians.

Question 3

Before passing another vehicle, you should signal when?

Accepted Answer

Just before changing lanes so others see your intent.

Answer

After you begin to pass.

Answer

Only if a police officer is present.

Answer

Only after you complete the pass.

Question 4

What is defensive driving?

Accepted Answer

Identifying dangerous driving situations and taking action to avoid accidents.

Answer

Defending yourself against poor drivers by getting ahead of them in traffic.

Answer

Following the vehicle ahead of you at a close distance.

Question 5

Should drivers avoid driving beside large vehicles for long periods?

Accepted Answer

True—drivers should be cautious and avoid lingering beside large vehicles.

Answer

False—it's fine to travel side-by-side with large vehicles.

Answer

Only true on highways

Answer

Only true at night

Question 6

When preparing to exit an interstate, when is it appropriate to reduce your speed?

Accepted Answer

Immediately upon entering the deceleration lane.

Answer

About halfway through the deceleration lane.

Answer

Before reaching the deceleration lane.

Question 7

When the weather is poor, what should drivers do to following distance?

Accepted Answer

Increase their following distance.

Answer

Decrease their following distance.

Answer

Increase their speed to reach destination more quickly.

Question 8

What practice best ensures safety when backing your vehicle?

Accepted Answer

Walk behind the vehicle and check the area before getting in to back up.

Answer

Honk the horn before reversing.

Answer

Rely only on your rearview mirrors.

Answer

Back quickly to save time.

Question 9

What does a yellow left-turn arrow indicate?

Accepted Answer

Both of the above.

Answer

Drivers should prepare to yield to oncoming traffic.

Answer

The protected left turn is about to end.

Question 10

If you are very angry after an argument, what is the safest choice?

Accepted Answer

Take a few minutes to calm down before driving.

Answer

Play loud music to distract yourself.

Answer

Drive on the interstate to vent frustration.

Question 11

Which statement about large trucks is correct?

Accepted Answer

They take longer to stop than passenger vehicles.

Answer

They are more maneuverable than passenger vehicles.

Answer

They all have air brakes that allow them to stop quickly.

Question 12

Why must you use extra caution near a pedestrian carrying a white cane?

Accepted Answer

They may be blind or have limited vision and may not see traffic.

Answer

They are likely to move quickly out of the way.

Answer

They are signaling you to proceed.

Answer

They are traffic officers.

Question 13

Should motorists maintain a safe distance when driving near cyclists?

Accepted Answer

True

Answer

False

Question 14

When a pedestrian carrying a white cane or using a guide dog is crossing, what must drivers do?

Accepted Answer

Yield the right-of-way to the pedestrian.

Answer

Wave them across the street.

Answer

Proceed because pedestrians must yield.

Answer

Shout to tell them where to cross.

Question 15

What is the effect of taking drugs along with alcohol?

Accepted Answer

It increases the risk of a crash by intensifying impairment.

Answer

It decreases the risk of causing a crash.

Answer

It has no additional effect.

Answer

It counters alcohol impairment.

Question 16

To avoid becoming an aggressive driver, you should:

Accepted Answer

Relax, focus on driving, and avoid taking other drivers' actions personally.

Answer

Drive above the posted speed limit to get ahead.

Answer

Tailgate the vehicle in front to encourage faster driving.

Answer

Constantly honk to express frustration.

Question 17

How do stopping distances and crash severity change with vehicle speed?

Accepted Answer

They increase as vehicle speed increases.

Answer

They decrease as speed increases.

Answer

They remain unchanged by speed.

Answer

They only depend on vehicle size.

Question 18

Which light indicates you should slow down and proceed with caution at an intersection?

Accepted Answer

A flashing yellow light

Answer

A flashing red light

Answer

A solid yellow light

Question 19

If your power steering fails while driving, you should:

Accepted Answer

Work harder to steer, reduce speed, and drive to a safe area to stop.

Answer

Turn off your ignition immediately.

Answer

Honk and stop abruptly in the travel lane.

Question 20

When being tailgated, what should you do?

Accepted Answer

Create extra space in front of your vehicle and avoid sudden braking.

Answer

Increase speed to put distance between you and the tailgater.

Answer

Brake suddenly to teach the tailgater a lesson.

Question 1 of 20

When passing, when should you move back into the right lane?