Boater Safety Exam Practice (US) 2026：第3套练习测试

1. 第1题，共25题

   What colors are used on regulatory and information markers?

   • ARed and white vertical stripes
   • BGreen with a wide red band in the middle
   • CBlack with one or more yellow bands
   • DWhite with orange bands at top and bottom
   显示答案

   答案: D. White with orange bands at top and bottom

   Regulatory and information markers are white with an orange band near the top and bottom. The orange shape shows the meaning.

2. 第2题，共25题

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

   • AIt gives information, such as directions
   • BDanger ahead, such as rocks
   • CBoats must keep out of the area
   • DA speed limit applies in the area
   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.

3. 第3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.

4. 第4题，共25题

   Is it legal to tie your boat to a navigation buoy?

   • ANo, it is dangerous and illegal
   • BYes, if you stay less than an hour
   • CYes, if the buoy is green
   • DYes, but only in daylight
   显示答案

   答案: A. No, it is dangerous and illegal

   Do not tie up to aids to navigation. It is dangerous and illegal, and it can hide the aid from other boaters.

5. 第5题，共25题

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

   • AThe beach ahead is private property
   • BShallow water ahead; boats should turn back
   • CDivers are nearby; slow down and keep well away
   • DA water-ski course is set up in this area
   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.

6. 第6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.

7. 第7题，共25题

   Where must the registration number be displayed on a numbered boat?

   • AInside the cabin, near the helm
   • BOn each side of the forward half of the boat
   • COn the windshield, facing forward
   • DOn the transom only, below the motor
   显示答案

   答案: B. On each side of the forward half of the boat

   Registration numbers go on both sides of the forward half of the hull, reading left to right.

8. 第8题，共25题

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

   • AAt least 12 inches, in any color
   • BAt least 6 inches, in script letters
   • CAt least 3 inches, in block characters
   • DAt least 1 inch, in any style
   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.

9. 第9题，共25题

   Where does the state validation decal go?

   • AOn the stern, right next to the motor
   • BWithin 6 inches of the registration number
   • CInside the glove box, with the papers
   • DOn the boat trailer's left fender
   显示答案

   答案: B. Within 6 inches of the registration number

   The validation decal goes within 6 inches of the registration number, with no other numbers or letters nearby.

10. 第10题，共25题

    How should the registration number be separated into groups?

    • AIt must be written as one long group
    • BWith a slash between letters and numbers
    • CWith a hyphen or a space the width of one letter
    • DWith periods between each character
    显示答案

    答案: C. With a hyphen or a space the width of one letter

    Spaces or hyphens equal to the width of a letter (other than I) or number (other than 1) separate the groups.

11. 第11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.

12. 第12题，共25题

    How many wearable life jackets must a recreational boat carry?

    • AOne for every two people on board
    • BOne approved life jacket for each person
    • CTwo for the whole boat, of any size
    • DOne for the operator only
    显示答案

    答案: B. One approved life jacket for each person

    Federal rules require one wearable, Coast Guard-approved life jacket for each person aboard.

13. 第13题，共25题

    Which boats must also carry a throwable flotation device?

    • AOnly canoes and kayaks, of any length
    • BOnly boats over 40 feet used on the ocean
    • CAll boats of any length, including paddleboards
    • DBoats 16 feet or longer, except canoes and kayaks
    显示答案

    答案: D. Boats 16 feet or longer, except canoes and kayaks

    Boats 16 feet or longer, except canoes and kayaks, must also carry one throwable device (Type IV).

14. 第14题，共25题

    Under the federal rule, which children must wear a life jacket while the boat is underway?

    • AOnly children who cannot swim, of any age
    • BUnder 13, unless below deck or in an enclosed cabin
    • CUnder 6, but only when the boat is out at night
    • DUnder 18, at all times when they are on board
    显示答案

    答案: B. Under 13, unless below deck or in an enclosed cabin

    The federal rule requires children under 13 to wear an approved life jacket while underway, unless below deck or in an enclosed cabin.

15. 第15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?

    • AThe federal rule always
    • BThe state rule
    • CWhichever age is higher
    • DNeither; you may choose
    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.

16. 第16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.

17. 第17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.

18. 第18题，共25题

    For which activities does the Coast Guard recommend wearing a life jacket, and many states require it?

    • AOnly fishing from a dock or a pier
    • BOnly when the boat is anchored offshore
    • COnly boating after dark on large lakes
    • DWater skiing, PWC riding, whitewater and sailboarding
    显示答案

    答案: D. Water skiing, PWC riding, whitewater and sailboarding

    The Coast Guard recommends wearing a life jacket for high-risk activities like water skiing, PWC riding, whitewater and sailboarding, and many states require it.

19. 第19题，共25题

    Since April 20, 2022, which fire extinguisher ratings meet carriage requirements on all recreational boats?

    • AClass D only, for metal fires
    • B1-A only, for wood and paper
    • CAny household extinguisher
    • D5-B or larger, such as 5-B:C
    显示答案

    答案: D. 5-B or larger, such as 5-B:C

    Extinguishers rated 5-B (for example 5-B:C or 10-B:C) or larger meet the carriage requirements for all recreational vessels.

20. 第20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.

21. 第21题，共25题

    Older B-I and B-II extinguishers are still accepted on which boats?

    • AAll boats, of any model year
    • BOnly boats built in 2018 or later
    • CBoats built in model year 2017 or earlier
    • DOnly personal watercraft of any year
    显示答案

    答案: C. Boats built in model year 2017 or earlier

    Coast Guard B-I and B-II extinguishers are acceptable only on vessels built in model year 2017 or earlier.

22. 第22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.

23. 第23题，共25题

    Which check is part of keeping a fire extinguisher "good and serviceable"?

    • AThe gauge is in the operable range and the pin is in place
    • BThe extinguisher has been tested by using it once
    • CThe label has been removed so it fits the bracket
    • DThe nozzle is taped shut to keep out dirt
    显示答案

    答案: A. The gauge is in the operable range and the pin is in place

    A serviceable extinguisher has its gauge in the operable range, its lock pin in place, a clear nozzle and no serious corrosion or damage.

24. 第24题，共25题

    A 22-foot outboard boat has a closed compartment where a portable fuel tank is stored. How many 5-B extinguishers does it need?

    • ATwo
    • BThree
    • CNone
    • DOne
    显示答案

    答案: D. One

    Boats under 26 feet that need an extinguisher must carry one 5-B extinguisher (or none if a fixed system is installed in the machinery space).

25. 第25题，共25题

    Which feature means a boat must carry a fire extinguisher?

    • APermanently installed fuel tanks
    • BA swim ladder at the stern
    • CA locker for the anchor and line
    • DA canvas bimini top for shade
    显示答案

    答案: A. Permanently installed fuel tanks

    Extinguishers are required on boats with features such as closed compartments where fuel tanks may be stored, permanently installed fuel tanks or closed living spaces.

键盘：按1–4作答，按 Enter 进入下一题。

真实考试：No single national exam. Each state sets its own education rules and approves its courses and exams.