PassEveryTest
中文

Iowa DOT Permit Practice Test 2026：第5套练习测试

Iowa DOT Permit Practice Test 练习测试第5套（共8套）：再练25道题，附答案和解释。

  • 驾驶
  • 艾奥瓦州
  • 205道题
  • 核对于2026年10月10日

  1. 第1题，共25题

    Why should you never try to beat a train to a crossing?
    显示答案

    答案: A. A train cannot stop quickly; at 60 mph it may need a mile or more

    Trains are very heavy and need a long distance to stop. A train at 60 mph may take a mile or more.

  2. 第2题，共25题

    What should you do when you see this sign?
    显示答案

    答案: B. Do not turn right; go straight or turn left if allowed

    The black arrow shows the move and the red circle and slash forbid it. You may not turn right at this intersection.

  3. 第3题，共25题

    What does this sign mean?
    显示答案

    答案: D. A sharp turn to the right is ahead; slow down a lot

    A sharp turn needs a much lower speed than a gentle curve. Look for a yellow speed plate under the sign.

  4. 第4题，共25题

    If you double your speed, about how much longer does it take to stop once you brake?
    显示答案

    答案: C. About four times as far

    Braking distance grows with the square of speed, so doubling your speed makes it about four times longer.

  5. 第5题，共25题

    You are entering a freeway from an on-ramp, as shown. What should you do in the acceleration lane?
    213
    显示答案

    答案: C. Speed up to match freeway traffic, then merge into a safe gap

    Use the acceleration lane to reach the speed of traffic, check mirrors and your blind spot, signal, and merge into a gap.

  6. 第6题，共25题

    What does this sign mean?
    H
    显示答案

    答案: C. A hospital is nearby

    Blue signs show services for drivers, such as hospitals, gas, food and lodging.

  7. 第7题，共25题

    What does a flashing yellow traffic light mean?
    显示答案

    答案: B. Slow down and go through with caution

    A flashing yellow light is a warning. You may go, but slow down and watch for traffic and pedestrians.

  8. 第8题，共25题

    In freezing weather, which part of the road often ices over first?
    显示答案

    答案: C. Bridges and overpasses

    Cold air flows above and below bridges and overpasses, so they freeze before other parts of the road.

  9. 第9题，共25题

    At night you see red reflectors on the road facing you. What does this most likely mean?
    显示答案

    答案: B. You are going the wrong way on a one-way road or ramp

    Red raised pavement markers face drivers who are going the wrong way on a one-way road or ramp. Turn around safely right away.

  10. 第10题，共25题

    What does this sign mean?
    显示答案

    答案: A. Traffic joining from the side gets its own lane, so it does not need to merge

    The entering traffic gets a new lane. Still watch for drivers who change lanes.

  11. 第11题，共25题

    You hit a parked car and the owner is not around. What should you do?
    显示答案

    答案: C. Try to find the owner, or leave your information and notify the police

    If you damage an unattended car or property, you must try to find the owner or report it to the police.

  12. 第12题，共25题

    What is the only thing that lowers your blood alcohol concentration?
    显示答案

    答案: A. Time

    Your body removes alcohol slowly. Coffee, exercise and cold showers do not lower your BAC.

  13. 第13题，共25题

    Which numbered marking separates lanes going in the same direction and allows lane changes when it is safe?
    123456
    显示答案

    答案: A. Marking 5

    A broken white line (marking 5) separates lanes moving the same way. You may change lanes across it when safe.

  14. 第14题，共25题

    Your brake pedal suddenly sinks to the floor. What should you try first?
    显示答案

    答案: D. Pump the brake pedal to build up pressure

    Pumping the pedal may build enough pressure to stop. If that fails, use the parking brake slowly and shift to a lower gear.

  15. 第15题，共25题

    You are stopped at a red light and want to turn right, as shown. There is no sign about turning. What may you do?
    1234
    显示答案

    答案: A. Turn right after a full stop, yielding to pedestrians and traffic

    Unless a sign or local rule forbids it, you may turn right on red after a full stop, when pedestrians and traffic are clear.

  16. 第16题，共25题

    A driver holds the left arm straight out the window. What does this hand signal mean?
    123
    显示答案

    答案: B. Left turn

    The left arm held straight out means a left turn.

  17. 第17题，共25题

    A driver holds the left arm out the window, bent upward at the elbow. What does this hand signal mean?
    显示答案

    答案: C. Right turn

    The left arm bent upward means a right turn.

  18. 第18题，共25题

    What does a flashing red traffic light mean?
    显示答案

    答案: C. Stop completely, then go when it is safe

    A flashing red light means the same as a stop sign: come to a full stop, then go when the way is clear.

  19. 第19题，共25题

    How should you exit a freeway?
    显示答案

    答案: C. Move into the exit lane early, then slow down in the exit lane

    Get into the correct lane well before the exit, signal, and do most of your slowing after you enter the exit lane or ramp.

  20. 第20题，共25题

    Your car breaks down on a highway. What should you do first?
    显示答案

    答案: A. Turn on your hazard lights and pull as far off the road as you can

    Use your hazard flashers and get your car off the road if possible. Avoid stopping just over a hill or around a curve.

  21. 第21题，共25题

    What color are the signs that warn of road work ahead?
    显示答案

    答案: D. Orange

    Orange signs are used for work zones and other temporary traffic control. Slow down and watch for workers.

  22. 第22题，共25题

    When should you leave more than your normal following distance?
    显示答案

    答案: B. In bad weather or when following a large truck

    Add more space in rain, snow or fog, and behind large trucks that block your view.

  23. 第23题，共25题

    You feel sleepy while driving. What is the safest choice?
    显示答案

    答案: D. Pull over in a safe place and rest or take a short nap

    Tricks like a cold window or loud music do not work. Stop and rest; only sleep cures drowsiness.

  24. 第24题，共25题

    You have parked on the street. What should you do before opening your door on the traffic side?
    显示答案

    答案: C. Check behind you for bicyclists and cars

    Opening a door into the path of a bicyclist can cause a serious crash. Look back before you open it.

  25. 第25题，共25题

    How far should you sit from the air bag in the steering wheel?
    显示答案

    答案: C. At least 10 inches

    Sit at least 10 inches from the air bag cover, as long as you can still control the vehicle safely.

相关测试