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North Carolina Boater Exam Practice Test 2026：第4套练习测试

North Carolina Boater Exam Practice Test 练习测试第4套（共6套）：再练25道题，附答案和解释。

  • 船只驾驶
  • 北卡罗来纳州
  • 132道题
  • 核对于2026年10月10日

  1. 第1题，共25题

    You row a small rowboat after dark. What light do you need?
    显示答案

    答案: B. A white flashlight or lantern, ready to show

    Vessels under oars may show sailing vessel lights, or must have a white flashlight or lantern ready to show.

  2. 第2题，共25题

    Your boat meets the rules of the state where it is registered. Does it automatically meet the rules of every other state?
    显示答案

    答案: A. No. Another state may have different requirements

    Federal rules are the minimum. A boat that meets its home state's rules may not meet the rules of another state where it is used.

  3. 第3题，共25题

    What does this black buoy with a red band and two black balls on top mean?
    显示答案

    答案: B. An isolated danger with safe water around it

    Isolated danger marks are placed on or near a danger, such as a rock, that has navigable water around it. Do not pass close.

  4. 第4题，共25题

    How often should you inspect your fire extinguishers?
    显示答案

    答案: B. Monthly

    Inspect extinguishers monthly. If the label lists a minimum weight, weigh them once a year.

  5. 第5题，共25题

    How should a give-way vessel act?
    显示答案

    答案: C. Early and with a large, obvious change of course or speed

    The give-way vessel must take early and substantial action so the other operator can clearly see what it is doing.

  6. 第6题，共25题

    What should the stand-on vessel do in a crossing situation?
    显示答案

    答案: A. Keep its course and speed

    The stand-on vessel holds its course and speed so the give-way vessel can predict its path.

  7. 第7题，共25题

    What does this white marker with an orange circle mean?
    NOWAKE
    显示答案

    答案: A. A controlled area; here, no wake

    An orange circle marks a controlled area, such as a no-wake or speed-limit zone. The rule is written inside the circle.

  8. 第8题，共25题

    You are returning from sea. On which side should you keep this red buoy?
    2
    显示答案

    答案: D. On your starboard (right) side

    Remember "red, right, returning": keep red markers on your starboard side when returning from sea.

  9. 第9题，共25题

    In fog, what signal does a power-driven vessel give while it is moving through the water?
    显示答案

    答案: D. One prolonged blast at least every 2 minutes

    In restricted visibility, a power-driven vessel making way sounds one prolonged blast at intervals of no more than 2 minutes.

  10. 第10题，共25题

    Which engines must have a Coast Guard-approved backfire flame arrester?
    显示答案

    答案: B. Gasoline inboard engines

    Gasoline engines installed after April 25, 1940, except outboard motors, must have an approved backfire flame control device.

  11. 第11题，共25题

    A 70-foot (21-meter) boat must carry which sound-producing devices?
    显示答案

    答案: C. A whistle and a bell

    Vessels 20 meters or longer need a whistle and a bell. A gong is added at 100 meters or longer.

  12. 第12题，共25题

    On a regulatory marker, what does an orange square or rectangle mean?
    显示答案

    答案: A. It gives information, such as directions

    Squares give information. Diamonds warn of danger, diamonds with a cross mean keep out, and circles mark controlled areas.

  13. 第13题，共25题

    What does this buoy with red and white vertical stripes mark?
    显示答案

    答案: A. Safe water, such as the middle of a channel

    Safe water markers have red and white vertical stripes. They mark safe water all around, often a fairway or mid-channel.

  14. 第14题，共25题

    What is the maximum federal criminal penalty for boating under the influence?
    显示答案

    答案: B. Up to $5,000, one year in prison, or both

    Federal BUI penalties include a civil penalty of up to $1,000, or a criminal penalty of up to $5,000, one year in prison, or both.

  15. 第15题，共25题

    On inland waters, what do two short blasts mean when two power-driven vessels meet or cross in sight of each other?
    显示答案

    答案: A. "I intend to leave you on my starboard side"

    Under Inland Rule 34, two short blasts mean "I intend to leave you on my starboard side".

  16. 第16题，共25题

    How tall must the letters and numbers of the registration number be?
    显示答案

    答案: C. At least 3 inches, in block characters

    The registration number must be in plain block characters at least 3 inches high, in a color that contrasts with the hull.

  17. 第17题，共25题

    What does "not under command" mean in the Navigation Rules?
    显示答案

    答案: B. A vessel that cannot maneuver because of a problem, such as a steering failure

    A vessel not under command cannot keep out of the way because of an exceptional circumstance. Other vessels, including sailboats, must keep clear of it.

  18. 第18题，共25题

    What does NASBLA stand for?
    显示答案

    答案: B. National Association of State Boating Law Administrators

    NASBLA is the national association of state boating law administrators. Most state boater education courses are NASBLA-approved.

  19. 第19题，共25题

    You approach a river bend where you cannot see around the corner. What signal should you sound on inland waters?
    显示答案

    答案: C. One prolonged blast

    A vessel nearing a bend or obstructed area sounds one prolonged blast. Any vessel around the bend that hears it answers with a prolonged blast.

  20. 第20题，共25题

    What sound signal does a sailing vessel give in fog or other restricted visibility?
    显示答案

    答案: A. One prolonged and two short blasts, every 2 minutes or less

    A sailing vessel in restricted visibility sounds one prolonged and two short blasts at intervals of no more than 2 minutes.

  21. 第21题，共25题

    You see this red flag with a white diagonal stripe. What does it mean?
    显示答案

    答案: C. Divers are nearby; slow down and keep well away

    The diver-down flag marks an area where people are diving. State laws set how far away boats must stay.

  22. 第22题，共25题

    Your state has a different child life jacket age than the federal rule. Which rule applies on that state's waters?
    显示答案

    答案: B. The state rule

    Where a state sets its own child life jacket requirement, the state rule applies on waters under that state's jurisdiction.

  23. 第23题，共25题

    If you use pyrotechnic signals to meet the requirement, how many must you carry?
    显示答案

    答案: B. Three for day use and three for night use

    Carry at least three day and three night signals. Combination day/night flares can count toward both.

  24. 第24题，共25题

    You are returning from sea. On which side should you keep this green buoy?
    1
    显示答案

    答案: A. On your port (left) side

    Green lateral markers mark the port side of the channel when you return from sea. Keep them on your left.

  25. 第25题，共25题

    On inland waters, a power-driven vessel meeting you sounds one short blast. What does it mean?
    1234
    显示答案

    答案: C. "I intend to leave you on my port side"

    Under Inland Rule 34, one short blast means "I intend to leave you on my port side". If you agree, answer with one short blast.

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