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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.
You are driving on a divided multilane highway and see or hear the signal of an approaching emergency vehicle. You should:
Disregard the signal if there are other lanes available for the emergency vehicle.
Stop as quickly as you can.
Slow down, move your vehicle to provide a clear path for the emergency vehicle, and stop.
Increase your speed to get out of the way of the emergency vehicle.
2.
Pentagonal signs indicate:
No passing zones.
School zones.
Speed limits.
Railroad crossings.
3.
A flashing red light on a traffic signal means:
The same thing as a stop sign.
The traffic signal is broken.
You do not have to come to a complete stop.
Driving conditions are dangerous.
4.
You are waiting to turn left at a multilane intersection and opposing traffic is blocking your view. You should:
Accelerate rapidly when the first lane you need to cross is clear.
Wait until you can see all the lanes you need to cross before going ahead with your turn.
Wait for an oncoming driver to wave you across the intersection.
Edge your car into each lane of opposing traffic as soon as it clears.
5.
You may pass another vehicle:
In a curve or on a hill because the chance is small that another vehicle is coming.
By using the shoulder of the highway.
If your lane is next to a solid yellow line and the passing lane is clear ahead.
None of the above.
6.
This sign means:
indiana side road road sign
Side road.
Low clearance.
Merging traffic.
Prepare to stop.
7.
This road sign means:
georgia slippery when wet road sign
When pavement is wet, reduce your speed.
The road ahead winds in a series of turns or curves.
Traffic increases ahead.
8.
If you want to get off the freeway but you have missed your exit, you should:
Go to the next exit.
Make a U-turn through the median.
Pull onto the shoulder and back your car to the exit.
Flag down a police officer for an escort back to your exit.
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