Boater Safety Exam Practice (US) 2026: Test de práctica 3

Test de práctica 3 de 5 de Boater Safety Exam Practice (US): 25 preguntas más con respuestas y explicaciones.

Navegación
Estados Unidos
120 preguntas
Revisado el 10 de octubre de 2026

Pregunta 1 de 25
What colors are used on regulatory and information markers?
- Red and white vertical stripes
- Green with a wide red band in the middle
- Black with one or more yellow bands
- White with orange bands at top and bottom
Ver respuesta
Respuesta: 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.
Pregunta 2 de 25
On a regulatory marker, what does an orange square or rectangle mean?
- It gives information, such as directions
- Danger ahead, such as rocks
- Boats must keep out of the area
- A speed limit applies in the area
Ver respuesta
Respuesta: 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.
Pregunta 3 de 25
This white buoy with a blue band is a mooring buoy. What is it for?
- Warning of a hidden rock
- Marking the right side of a channel
- Marking a no-wake zone
- Tying up or securing a boat
Ver respuesta
Respuesta: 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.
Pregunta 4 de 25
Is it legal to tie your boat to a navigation buoy?
- No, it is dangerous and illegal
- Yes, if you stay less than an hour
- Yes, if the buoy is green
- Yes, but only in daylight
Ver respuesta
Respuesta: 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.
Pregunta 5 de 25
You see this red flag with a white diagonal stripe. What does it mean?
- The beach ahead is private property
- Shallow water ahead; boats should turn back
- Divers are nearby; slow down and keep well away
- A water-ski course is set up in this area
Ver respuesta
Respuesta: 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.
Pregunta 6 de 25
A vessel flies this blue and white flag (code flag A). What does it mean?
- It is towing a skier and needs extra room
- It is for sale and you may come alongside
- It has divers down and cannot easily maneuver
- It is anchored for the night with no one aboard
Ver respuesta
Respuesta: 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.
Pregunta 7 de 25
Where must the registration number be displayed on a numbered boat?
- Inside the cabin, near the helm
- On each side of the forward half of the boat
- On the windshield, facing forward
- On the transom only, below the motor
Ver respuesta
Respuesta: 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.
Pregunta 8 de 25
How tall must the letters and numbers of the registration number be?
- At least 12 inches, in any color
- At least 6 inches, in script letters
- At least 3 inches, in block characters
- At least 1 inch, in any style
Ver respuesta
Respuesta: 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.
Pregunta 9 de 25
Where does the state validation decal go?
- On the stern, right next to the motor
- Within 6 inches of the registration number
- Inside the glove box, with the papers
- On the boat trailer's left fender
Ver respuesta
Respuesta: 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.
Pregunta 10 de 25
How should the registration number be separated into groups?
- It must be written as one long group
- With a slash between letters and numbers
- With a hyphen or a space the width of one letter
- With periods between each character
Ver respuesta
Respuesta: 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.
Pregunta 11 de 25
On a Coast Guard documented vessel, how tall must the name and hailing port be?
- Any size that can be read
- At least 12 inches
- At least 1 inch
- At least 4 inches
Ver respuesta
Respuesta: D. At least 4 inches
Documented vessels show their name and hailing port together on the hull in letters at least 4 inches high.
Pregunta 12 de 25
How many wearable life jackets must a recreational boat carry?
- One for every two people on board
- One approved life jacket for each person
- Two for the whole boat, of any size
- One for the operator only
Ver respuesta
Respuesta: B. One approved life jacket for each person
Federal rules require one wearable, Coast Guard-approved life jacket for each person aboard.
Pregunta 13 de 25
Which boats must also carry a throwable flotation device?
- Only canoes and kayaks, of any length
- Only boats over 40 feet used on the ocean
- All boats of any length, including paddleboards
- Boats 16 feet or longer, except canoes and kayaks
Ver respuesta
Respuesta: 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).
Pregunta 14 de 25
Under the federal rule, which children must wear a life jacket while the boat is underway?
- Only children who cannot swim, of any age
- Under 13, unless below deck or in an enclosed cabin
- Under 6, but only when the boat is out at night
- Under 18, at all times when they are on board
Ver respuesta
Respuesta: 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.
Pregunta 15 de 25
Your state has a different child life jacket age than the federal rule. Which rule applies on that state's waters?
- The federal rule always
- The state rule
- Whichever age is higher
- Neither; you may choose
Ver respuesta
Respuesta: 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.
Pregunta 16 de 25
Who may use an inflatable life jacket to meet the carriage requirement?
- Anyone of any age
- Only people who cannot swim
- People 16 years of age and older
- Children under 13
Ver respuesta
Respuesta: C. People 16 years of age and older
Inflatable life jackets are approved only for people 16 and older.
Pregunta 17 de 25
A friend lifts your life jacket at the shoulders and it stays below your chin. What does this show?
- It fits properly
- It is the wrong color
- It is too loose
- It needs to be inflated
Ver respuesta
Respuesta: 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.
Pregunta 18 de 25
For which activities does the Coast Guard recommend wearing a life jacket, and many states require it?
- Only fishing from a dock or a pier
- Only when the boat is anchored offshore
- Only boating after dark on large lakes
- Water skiing, PWC riding, whitewater and sailboarding
Ver respuesta
Respuesta: 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.
Pregunta 19 de 25
Since April 20, 2022, which fire extinguisher ratings meet carriage requirements on all recreational boats?
- Class D only, for metal fires
- 1-A only, for wood and paper
- Any household extinguisher
- 5-B or larger, such as 5-B:C
Ver respuesta
Respuesta: 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.
Pregunta 20 de 25
One 20-B fire extinguisher can replace how many required 5-B extinguishers?
- Two
- Four
- Three
- One
Ver respuesta
Respuesta: A. Two
One 20-B extinguisher may be carried in place of two required 5-B extinguishers.
Pregunta 21 de 25
Older B-I and B-II extinguishers are still accepted on which boats?
- All boats, of any model year
- Only boats built in 2018 or later
- Boats built in model year 2017 or earlier
- Only personal watercraft of any year
Ver respuesta
Respuesta: 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.
Pregunta 22 de 25
How old can a disposable (non-rechargeable) fire extinguisher be and still count?
- There is no age limit if it is full
- No more than 20 years from purchase
- No more than 5 years from manufacture
- No more than 12 years from manufacture
Ver respuesta
Respuesta: 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.
Pregunta 23 de 25
Which check is part of keeping a fire extinguisher "good and serviceable"?
- The gauge is in the operable range and the pin is in place
- The extinguisher has been tested by using it once
- The label has been removed so it fits the bracket
- The nozzle is taped shut to keep out dirt
Ver respuesta
Respuesta: 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.
Pregunta 24 de 25
A 22-foot outboard boat has a closed compartment where a portable fuel tank is stored. How many 5-B extinguishers does it need?
- Two
- Three
- None
- One
Ver respuesta
Respuesta: 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).
Pregunta 25 de 25
Which feature means a boat must carry a fire extinguisher?
- Permanently installed fuel tanks
- A swim ladder at the stern
- A locker for the anchor and line
- A canvas bimini top for shade
Ver respuesta
Respuesta: 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.

Exámenes relacionados