Iowa DOT Permit Practice Test 2026: Teste prático 3

Teste prático 3 de 8 — Iowa DOT Permit Practice Test: mais 25 perguntas com respostas e explicações.

Condução
Iowa
205 perguntas
Verificado em 10 de outubro de 2026

Pergunta 1 de 25
What does this sign mean?
- Detour to the right
- Right turns only
- Traffic on this street moves only in the direction of the arrow
- Keep to the right of the divider
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Resposta: C. Traffic on this street moves only in the direction of the arrow
Drive only in the direction of the arrow. You may not drive the other way on a one-way street.
Pergunta 2 de 25
On a freeway with two or more lanes going your way, what is the left lane mainly for?
- Stopping in an emergency
- Passing
- Slow vehicles
- Trucks only
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Resposta: B. Passing
Keep right except to pass. If many vehicles pass you on the right, move right and let them go by on the left.
Pergunta 3 de 25
What does a white diamond painted in a lane mean?
- The lane is for trucks only
- The lane is reserved for buses, carpools or other special vehicles
- There is a railroad crossing ahead
- The lane ends soon
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Resposta: B. The lane is reserved for buses, carpools or other special vehicles
A diamond marks a high-occupancy vehicle (HOV) or other reserved lane. Signs tell you who may use it and when.
Pergunta 4 de 25
What does a five-sided (pentagon) sign like this warn you about?
- A no-passing zone
- A railroad crossing
- Road work
- A school zone or school crossing
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Resposta: D. A school zone or school crossing
The pentagon shape is used for school signs, so you know to watch for children.
Pergunta 5 de 25
What should you do when you see this sign?
- Pass the car in front before you reach the crosswalk
- Honk to warn the children
- Slow down, watch for children, and stop for anyone in the crosswalk
- Speed up to get past the crosswalk quickly
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Resposta: C. Slow down, watch for children, and stop for anyone in the crosswalk
The arrow points to the school crosswalk. Stop for children in the crosswalk and follow any crossing guard. Never pass a vehicle stopped for pedestrians.
Pergunta 6 de 25
When is it right to use your horn?
- To warn others of danger or to help avoid a crash
- To greet friends as you drive by
- To show you are angry
- To tell a slow driver to hurry up
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Resposta: A. To warn others of danger or to help avoid a crash
Use your horn to let others know you are there or to warn them of a hazard, not to express anger.
Pergunta 7 de 25
Zones 1 and 2 are this car's blind spots. Before you change lanes, how should you check them?
- Honk and move over slowly
- Turn your head and look over your shoulder
- Use only the inside rearview mirror
- Use only the side mirrors
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Resposta: B. Turn your head and look over your shoulder
Mirrors do not show every area beside you. Look over your shoulder to check the blind spot before you move.
Pergunta 8 de 25
You park facing uphill next to a curb. Which way should you turn your front wheels?
- Toward the curb
- Away from the curb, so the tire rests against the curb if the car rolls back
- It does not matter if the parking brake is set
- Straight ahead
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Resposta: B. Away from the curb, so the tire rests against the curb if the car rolls back
Uphill with a curb, turn your wheels toward the center of the road and let the front tire gently touch the curb.
Pergunta 9 de 25
What does this sign mean?
- The road becomes divided
- A narrow bridge is ahead
- A new lane is added
- The right lane ends; merge left when it is safe
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Resposta: D. The right lane ends; merge left when it is safe
If you are in the lane that ends, signal and move over when there is a safe gap. Drivers in the other lane should help by adjusting speed.
Pergunta 10 de 25
A common cause of serious motorcycle crashes is a driver who:
- Turns left in front of an oncoming motorcycle
- Parks next to a motorcycle
- Follows a motorcycle at a safe distance
- Passes a motorcycle on a straight road
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Resposta: A. Turns left in front of an oncoming motorcycle
Drivers turning left often fail to see oncoming motorcycles. Look carefully for motorcycles before you turn.
Pergunta 11 de 25
The school bus ahead of you turns on flashing yellow (amber) lights. What does this mean?
- The bus is getting ready to stop, so slow down and prepare to stop
- The bus has broken down
- You should pass the bus quickly
- The children have finished crossing
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Resposta: A. The bus is getting ready to stop, so slow down and prepare to stop
Flashing yellow lights on a school bus warn that it will soon stop and turn on its red lights.
Pergunta 12 de 25
When is the road often most slippery in the rain?
- In the first minutes after rain starts
- Just after the rain stops and the sun comes out
- After it has rained for many hours
- Only at night
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Resposta: A. In the first minutes after rain starts
When rain begins, it mixes with oil and dirt on the road and makes a slick film. Slow down right away.
Pergunta 13 de 25
What does this sign mean?
- A four-way intersection
- A railroad crossing; yield to any train
- You must always stop here, even when no train is near
- A hospital is nearby
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Resposta: B. A railroad crossing; yield to any train
Treat a crossbuck like a yield sign. Slow down, look and listen both ways, and stop if a train is coming. Trains always have the right-of-way.
Pergunta 14 de 25
Which of these is distracted driving?
- Scanning the road ahead
- Eating or changing the music while driving
- Keeping both hands on the wheel
- Checking your mirrors
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Resposta: B. Eating or changing the music while driving
Any activity that takes your attention from driving is a distraction, including eating, talking and adjusting the stereo or GPS.
Pergunta 15 de 25
What does a steady yellow light mean?
- Speed up to get through before it turns red
- The light is about to turn red, so stop if you can do it safely
- Only pedestrians may move now
- The intersection is clear, so go
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Resposta: B. The light is about to turn red, so stop if you can do it safely
A steady yellow light warns that the green is ending and red is coming. Stop if you can do so safely.
Pergunta 16 de 25
Compared with a sober driver, about how much more likely is a driver with a BAC of 0.08% to crash?
- About 20 times
- About the same
- About 4 times
- About 1.5 times
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Resposta: C. About 4 times
Drivers at a BAC of 0.08% are about four times more likely to crash than drivers with no alcohol.
Pergunta 17 de 25
Car A and Car B reach this intersection, which has no signs or signals, at about the same time. Which car must yield?
- Whichever car is going faster
- Car B
- Neither car; both may go at once
- Car A
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Resposta: D. Car A
At an uncontrolled intersection, if two cars arrive together, the driver on the left yields to the driver on the right. Car B is on Car A's right, so Car A must yield.
Pergunta 18 de 25
Why should you never drive beside a motorcycle in the same lane?
- Motorcycles must ride on the shoulder
- A motorcyclist has the right to use the full width of the lane
- Motorcycles are always slower than cars
- It is fine if the rider waves you by
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Resposta: B. A motorcyclist has the right to use the full width of the lane
A motorcycle is entitled to a full lane, just like a car. Sharing its lane is dangerous and not allowed.
Pergunta 19 de 25
What does this sign mean?
- Trucks cross the road ahead
- An uphill passing lane is ahead
- A steep downhill grade is ahead; slow down and use a lower gear
- A truck stop is ahead
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Resposta: C. A steep downhill grade is ahead; slow down and use a lower gear
On a steep downgrade, slow down before the hill and shift to a lower gear so your brakes do not overheat.
Pergunta 20 de 25
What is hydroplaning?
- When a tire slowly loses air
- When water gets into your engine
- When your tires ride on a layer of water and lose contact with the road
- When your brakes overheat on a long hill
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Resposta: C. When your tires ride on a layer of water and lose contact with the road
At higher speeds on wet roads, tires can ride up on water. You then lose steering and braking control.
Pergunta 21 de 25
What does this sign mean?
- Always come to a full stop
- The road narrows ahead
- Merge without slowing down
- Slow down and let traffic and pedestrians go first; stop if needed
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Resposta: D. Slow down and let traffic and pedestrians go first; stop if needed
A triangle pointing down means yield. Slow down, give the right-of-way, and stop only if you must.
Pergunta 22 de 25
On a divided highway, what color is the edge line on the left side of your lanes?
- Red
- White
- Yellow
- Blue
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Resposta: C. Yellow
Yellow marks the left edge of divided highways, one-way streets and ramps. White marks the right edge.
Pergunta 23 de 25
Why should you avoid making a U-turn near the top of a hill or on a curve?
- It wears out your tires
- Your turn signal will not work
- It uses too much fuel
- Other drivers may not see you in time to stop
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Resposta: D. Other drivers may not see you in time to stop
U-turns are unsafe where other drivers cannot see your vehicle from far away, such as near hilltops and curves.
Pergunta 24 de 25
Where should you stop at this sign if there is a crosswalk but no stop line?
- After the crosswalk, at the edge of the cross street
- Inside the intersection, where you can see best
- Before the crosswalk
- In the middle of the crosswalk
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Resposta: C. Before the crosswalk
Stop at the stop line. If there is no line, stop before the crosswalk. If there is no crosswalk, stop before you enter the intersection.
Pergunta 25 de 25
A pedestrian with a white cane or a guide dog is waiting to cross. What should you do?
- Stop and let the person cross, without honking
- Wave the person across from far away
- Honk so the person knows you are there
- Drive around the person
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Resposta: A. Stop and let the person cross, without honking
Pedestrians who use white canes or guide dogs have the right-of-way. Do not honk at a blind pedestrian.

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