Iowa driver's examination

(From the 2017 Iowa driver handbook)
Number of tests: 14
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
If you want to get off of a freeway, but you missed your exit, you should:
Go to the next exit, and get off of the freeway there
Make a U-turn through the median
Flag down a police officer for an escort back to your exit
Pull onto the shoulder and back your car to the exit
Broken yellow lines (dashes) are used on streets and highways to:
Separate lanes of traffic moving in the same direction.
Separate lanes of traffic moving in opposite directions.
Indicate no passing zones.
When preparing to make a left turn from a two-way street, you should drive:
Close to the right hand side of the road.
On the left of the center line.
Close to the center line.
When you park uphill on a street with a curb
keep the front wheel straight; set the parking brake
turn the front wheels towards the curb
turn the front wheels away from the curb
turn the back wheels into the curb
This sign means:
Traffic Signal Ahead
Yield Right-of-Way
If the rear of your vehicle is skidding to the left, you should:
Turn your steering wheel to the right to correct the skid.
Not turn your steering wheel until you are through skidding.
Turn your steering wheel to the left to correct the skid.
This sign indicates that:
There is a steep hill ahead
A logging road is ahead
No trucks are allowed on the hill
If, while driving, a tire suddenly blows out, you should:
Pump the brakes rapidly.
Brake hard and steer toward the right edge of the roadway.
Grip the steering wheel firmly, slow down, and exit from the traffic lanes.
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