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Anyone who operates a motor vehicle on public streets and roads in Iowa is required to have a driver’s license or learner’s permit. Iowa requires that you pass a vision screening before you get a driver’s license or learner’s permit. The IA DMV written test covers the contents of the Iowa Driver’s Manual including highway signs, road rules, and safe driving techniques. The knowledge test consists of 35 questions, and you need at least 28 correct answers to pass (80%). Practice with this sample test to get ready for the official IA driver's license test.
1. This sign indicates the _______________ vehicles can safely travel in this area.
reaction speed
minimum speed
suggested speed
maximum speed
2. A thumping sound can be a warning:
of a brake failure.
of a steering failure.
that a tire blowout is about to occur.
of a headlight failure.
3. This road sign means:
Intersection ahead
Winding road
Hill ahead
Truck exit only
4. When they see a crossbuck sign, drivers:
are legally required to yield the right of way to trains.
must always come to a complete stop.
must cross the intersection immdiately.
must slow down and wait for the red lights to flash.
5. This sign indicates:
the overpass ahead has a low clearance.
a steep grade is ahead.
the maximum width of a vehicle allowed on the highway.
the maximum legal height allowed in this state.
6. When getting ready to change lanes, you should:
quickly turn your head to check for other vehicles.
check your side view mirror.
check your rearview mirror.
All of the above.
7. The most important thing to remember about speed management and curves is to:
drive at the posted speed limit of the roadway, before, throughout, and after the curve.
slow down before you enter the curve.
accelerate gently before you enter the curve.
drive at the posted speed limit as you enter the curve, then slow down at the sharpest part of the curve.
8. Which statement about drinking alcohol and driving is true?
Alcohol affects judgement, which is needed for driving safely.
If you are under the legal blood alcohol concentration limit, your driving isnt impaired.
If you do math after drinking, it is safe to drive.
9. Who is most at risk?
Drivers who are fatigued.
Drivers who are driving on long, boring roads.
Long-distance commuters.
All of the above.
10. This road sign warns drivers that:
they cannot go straight ahead.
they are coming to a point where another traffic lane joins the one they are on.
a divided highway is ahead.
the one-way street or roadway is about to change to two-way traffic.
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IA DMV Test Facts

Number of questions: 35
Correct answers to pass: 28
Passing score: 80%
Number of questions: 35
Correct answers to pass: 28
Passing score: 80%
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