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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 Iowa DMV knowledge test consists of 35 questions, and you'll 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. When you hear the warning signal or see the warning lamps of an emergency vehicle, you must:
stop as quickly as you can.
provide a clear path for the emergency vehicle and stop.
drive slowly until the emergency vehicle has passed.
2. The octagonal shape is used:
for stop signs and railroad advance warning signs.
to warn drivers of existing or possible hazards on roadways.
exclusively for stop signs.
for yield signs.
3. BAC is expressed in:
percentage of alcohol to blood.
AAI (Acute Alcohol Intoxication) level.
percentage of blood to alcohol.
ounces of alcohol in your blood.
4. If you see orange construction signs and cones on a freeway, you must:
maintain your current speed while changing lanes.
be prepared for workers and equipment ahead.
make a U-turn because the lane ends ahead.
5. If your front wheels start to skid, the first thing you should do is:
Immediately turn in the direction you want to go.
Take your foot off the gas pedal and shift to neutral.
Speed up, pump your brakes and steer in the direction the vehicle is trying to go.
None of the above.
6. This road sign means:
two way traffic ahead sign
You can travel in either direction in this lane
Intersection ahead
Two-way traffic ahead
Divided highway ahead
7. This road sign means:
school sign
Pedestrian crossing
Playground ahead
Hospital parking ahead
School crossing
8. This sign indicates that:
advisory speed sign
there is a school zone after the curve.
the safe speed around the curve ahead is at least 25 MPH.
the highest safe speed drivers should travel around the curve ahead is 25 MPH.
drivers may not turn right if traveling at 25 MPH or less.
9. What should drivers do when they see this sign?
one lane bridge
Make sure the bridge is clear of oncoming traffic before they cross.
Allow others to merge smoothly.
Merge left.
Look to the left and right for other traffic.
10. You should always travel:
according to weather and road conditions.
at the speed of the vehicle behind.
at the speed limit.
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IA DMV Practice Test Facts

Number of questions: 35
Correct answers to pass:28
Passing score:80%
Minimum age to apply: 14
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