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Iowa driver's examination

(From the 2019 Iowa driver handbook)
Number of tests: 24
Number of questions: 35
Passing score: 28
Directions: To get an Iowa’s license, you will have to take the vision screening and a knowledge test if you have an invalid or expired (over one year) out-of-state license, or if you have not had a driver’s license before. If you have a valid out-of-state license that allows you to drive by yourself, the driving test may be waived.

The Iowa knowledge test shows how well you understand road signs, traffic laws, and safe-driving practices. Everything you must know to pass the knowledge test is in Iowa Driver’s Manual guide. The Knowledge tests include 35 multiple choice questions

If you answer at least 28 questions correctly. you will be well prepared to take the knowledge test for your learner's permit.
You have made error so far
Passing grade —
7 or fewer errors
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1.
At an intersection with a stop sign, you should stop and:
Check your rearview mirror for cars tailgating.
Move when the vehicle ahead of you moves.
Look right first, then left, then right again.
Look left first, then right, then left again.
2.
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.
3.
If you are driving so slowly that traffic is backing up behind you, you should:
Decrease your speed.
Pull off the right side of the road and let traffic pass.
Not let the other cars pass your vehicle.
Use your four-way flashers.
4.
This red and white sign means you should:
california yield road sign
Stop and check for traffic coming from both directions before proceeding.
Give the right-of-way to traffic on the road you wish to enter or cross.
Maintain a steady speed and check for traffic coming from all directions.
5.
This sign means:
new york yield road sign
Slow down if an emergency vehicle is approaching.
Look both ways as you cross the intersection.
Always come to a full stop at the intersection.
Slow down and be prepared to stop if necessary.
6.
When driving on slippery roads, you should:
Use alternate routes.
Drive as you would on dry roads.
Increase your following distance.
Avoid crossing bridges or intersections.
7.
Lanes of traffic moving in opposite directions are divided by ____ lines.
White
Red
Black
Yellow
8.
You must yield the right-of-way to an emergency vehicle that is using its siren and flashing lights by:
Driving as closely to the right edge of the road as possible and stopping.
Moving into the right lane and driving slowly until it has passed.
Stopping immediately, even if you are within an intersection.
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