North Carolina Boater Exam Practice Test 2026：第3套练习测试

1. 第1题，共25题

   What does this white marker with an orange diamond and a cross inside mean?

   • ASwimmers may not enter
   • BBoats keep out of the area
   • CSlow down to 5 mph
   • DInformation about a nearby marina
   显示答案

   答案: B. Boats keep out of the area

   A diamond with a cross marks an exclusion area. Boats must keep out, for example near dams or swimming areas.

2. 第2题，共25题

   Who may use an inflatable life jacket to meet the carriage requirement?

   • AAnyone of any age
   • BOnly people who cannot swim
   • CPeople 16 years of age and older
   • DChildren under 13
   显示答案

   答案: C. People 16 years of age and older

   Inflatable life jackets are approved only for people 16 and older.

3. 第3题，共25题

   A friend lifts your life jacket at the shoulders and it stays below your chin. What does this show?

   • AIt fits properly
   • BIt is the wrong color
   • CIt is too loose
   • DIt needs to be inflated
   显示答案

   答案: A. It fits properly

   A properly fitted life jacket stays in place when lifted at the shoulders. If it rides up over your chin or ears, it is too loose.

4. 第4题，共25题

   Your flares expired last year. Do they count toward the requirement?

   • AYes, for up to 5 years after expiry
   • BYes, if they are kept dry
   • CNo, expired pyrotechnics do not count
   • DYes, but only at night
   显示答案

   答案: C. No, expired pyrotechnics do not count

   Pyrotechnic signals must be in date. Expired signals do not meet the requirement.

5. 第5题，共25题

   A vessel flies this blue and white flag (code flag A). What does it mean?

   • AIt is towing a skier and needs extra room
   • BIt is for sale and you may come alongside
   • CIt has divers down and cannot easily maneuver
   • DIt is anchored for the night with no one aboard
   显示答案

   答案: C. It has divers down and cannot easily maneuver

   When a vessel engaged in diving cannot show the normal shapes, it displays a rigid replica of code flag "A" at least 1 meter (3.3 feet) high.

6. 第6题，共25题

   In this diagram, what color is the port sidelight (light 1)?

   • AYellow
   • BWhite
   • CGreen
   • DRed
   显示答案

   答案: D. Red

   The port sidelight is red and the starboard sidelight is green.

7. 第7题，共25题

   What must a boat 12 meters (39.4 feet) or longer carry for sound signals?

   • AA referee whistle for the operator
   • BA small hand bell kept at the helm
   • CA whistle audible for 1/2 nautical mile
   • DNothing beyond a working VHF radio
   显示答案

   答案: C. A whistle audible for 1/2 nautical mile

   Vessels 12 meters or longer need a whistle (horn) audible for 1/2 nautical mile. Vessels 20 meters or longer also need a bell.

8. 第8题，共25题

   Which boats are covered by the federal engine cut-off switch law?

   • AOnly sailboats that have an outboard motor
   • BOnly commercial fishing boats of any size
   • CRecreational boats under 26 feet, about 3 hp or more
   • DAll recreational boats over 40 feet long
   显示答案

   答案: C. Recreational boats under 26 feet, about 3 hp or more

   The law covers recreational vessels under 26 feet with engines that make 115 pounds of static thrust (about 3 hp) or more.

9. 第9题，共25题

   Light 4 in the diagram is the white sternlight. How wide is its arc?

   • A225 degrees, toward the front
   • B360 degrees, all around
   • C112.5 degrees, on one side
   • D135 degrees, toward the back
   显示答案

   答案: D. 135 degrees, toward the back

   The sternlight shines over 135 degrees behind the boat. The masthead light covers 225 degrees forward.

10. 第10题，共25题

    You are towing a water-skier. What is the job of the observer on board?

    • ASteer the skier using only hand signals
    • BKeep other boats from coming close to watch
    • CWatch the skier and tell the operator what happens
    • DDrive the boat while the operator watches
    显示答案

    答案: C. Watch the skier and tell the operator what happens

    The operator must watch where the boat is going, so a second person keeps a continuous eye on the skier and reports falls and signals.

11. 第11题，共25题

    On inland waters, what signal does a power-driven vessel sound when it leaves a dock or berth?

    • AOne short blast
    • BTwo prolonged blasts
    • COne prolonged blast
    • DFive short blasts
    显示答案

    答案: C. One prolonged blast

    A power-driven vessel leaving a dock or berth sounds one prolonged blast.

12. 第12题，共25题

    One 20-B fire extinguisher can replace how many required 5-B extinguishers?

    • ATwo
    • BFour
    • CThree
    • DOne
    显示答案

    答案: A. Two

    One 20-B extinguisher may be carried in place of two required 5-B extinguishers.

13. 第13题，共25题

    How old can a disposable (non-rechargeable) fire extinguisher be and still count?

    • AThere is no age limit if it is full
    • BNo more than 20 years from purchase
    • CNo more than 5 years from manufacture
    • DNo more than 12 years from manufacture
    显示答案

    答案: D. No more than 12 years from manufacture

    Disposable extinguishers must be removed from service 12 years after the date stamped on the bottle, on December 31 of the 12th year.

14. 第14题，共25题

    You are in a No Discharge Zone. What must you do with your marine sanitation device?

    • ADischarge only sewage that has been treated
    • BRemove the toilet from the boat completely
    • CSecure it so it cannot discharge, such as with a padlock
    • DDischarge only at night when no one is swimming
    显示答案

    答案: C. Secure it so it cannot discharge, such as with a padlock

    In a No Discharge Zone, no sewage may be discharged, and the device must be secured, such as with a padlocked valve or locked door.

15. 第15题，共25题

    On a Coast Guard documented vessel, how tall must the name and hailing port be?

    • AAny size that can be read
    • BAt least 12 inches
    • CAt least 1 inch
    • DAt least 4 inches
    显示答案

    答案: D. At least 4 inches

    Documented vessels show their name and hailing port together on the hull in letters at least 4 inches high.

16. 第16题，共25题

    What does an engine cut-off switch link do?

    • AStops the engine if the operator is thrown from the helm
    • BLocks the steering wheel when you are not aboard
    • CTurns on the navigation lights automatically
    • DStarts the bilge blower before the engine starts
    显示答案

    答案: A. Stops the engine if the operator is thrown from the helm

    The lanyard links the operator to the switch. If the operator is thrown from the helm, the link pulls free and the engine shuts off.

17. 第17题，共25题

    Why is a personal watercraft operator's lanyard attached to their body or life jacket?

    • ASo the PWC can be anchored
    • BSo the engine stops if the rider falls off
    • CSo the lights turn on automatically
    • DSo the rider can tow a tube
    显示答案

    答案: B. So the engine stops if the rider falls off

    If the rider falls off, the lanyard pulls the cut-off switch and the engine stops, so the PWC does not keep going without them.

18. 第18题，共25题

    Where must recreational boats carry visual distress signals?

    • ACoastal waters, the Great Lakes and territorial seas
    • BOnly on rivers that are wider than 1 mile
    • COnly on small inland lakes and ponds
    • DOnly within 1 mile of any shoreline
    显示答案

    答案: A. Coastal waters, the Great Lakes and territorial seas

    Visual distress signals are required on U.S. coastal waters, the Great Lakes, territorial seas, and connected waters up to where they become less than 2 nautical miles wide.

19. 第19题，共25题

    On inland waters, you want to overtake a power-driven vessel and pass on its starboard side. What signal do you give?

    • ATwo short blasts
    • BOne short blast
    • COne prolonged blast
    • DThree short blasts
    显示答案

    答案: B. One short blast

    Inland, one short blast means "I intend to overtake you on your starboard side". Two short blasts mean "on your port side".

20. 第20题，共25题

    A person goes missing from your boat. Who must you notify right away?

    • AThe nearest state boating authority
    • BThe company that built your boat
    • CNobody until the written report is due
    • DYour insurance company only
    显示答案

    答案: A. The nearest state boating authority

    For a death or a missing person, notify the nearest state boating authority immediately, then file the written report.

21. 第21题，共25题

    Which non-pyrotechnic signal counts for nighttime use only?

    • AA red pennant
    • BAn orange smoke signal
    • CAn electric distress light
    • DAn orange distress flag
    显示答案

    答案: C. An electric distress light

    An electric distress light meets the night requirement. An orange flag only counts during the day.

22. 第22题，共25题

    Boat B is crossing from boat A's starboard (right) side. Which boat is the give-way vessel?

    • ABoat A
    • BWhichever boat is faster
    • CBoat B
    • DNeither; both must stop
    显示答案

    答案: A. Boat A

    When two power-driven vessels cross, the one that has the other on its starboard side must keep out of the way. Boat A slows or turns right to pass behind B.

23. 第23题，共25题

    A vessel overtaking you on inland waters signals its plan, and you agree. What do you do?

    • ATurn toward the overtaking boat
    • BSound five short blasts
    • CDo nothing; silence means yes
    • DSound the same signal back
    显示答案

    答案: D. Sound the same signal back

    The vessel being overtaken answers with the same signal if it agrees. If it is unsure, it sounds the danger signal of at least five short blasts.

24. 第24题，共25题

    Which boating accident must be reported to the state?

    • AOne where someone needs more than first aid
    • BA scratch to the hull that costs $100 to fix
    • CAny time a fishing line breaks on a snag
    • DAny time a boat runs out of fuel on the water
    显示答案

    答案: A. One where someone needs more than first aid

    A report is required for a death, a disappearance, an injury needing more than first aid, damage of $2,000 or more, or the complete loss of a boat.

25. 第25题，共25题

    This white buoy with a blue band is a mooring buoy. What is it for?

    • AWarning of a hidden rock
    • BMarking the right side of a channel
    • CMarking a no-wake zone
    • DTying up or securing a boat
    显示答案

    答案: D. Tying up or securing a boat

    Mooring buoys are white with a horizontal blue band. They are made for boats to tie up to.

键盘：按1–4作答，按 Enter 进入下一题。