Ohio Boater Exam Practice Test 2026: Test d’entraînement 3

1. Question 1 sur 25

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

   • AOne prolonged and two short blasts, every 2 minutes or less
   • BContinuous blasts on the horn until the fog lifts
   • COne short blast, repeated once every minute
   • DTwo prolonged blasts, at least every 2 minutes
   Voir la réponse

   Réponse: 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.

2. Question 2 sur 25

   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
   Voir la réponse

   Réponse: 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.

3. Question 3 sur 25

   Boat A is overtaking boat B from behind. Which boat must keep clear?

   • AThe smaller of the two boats
   • BBoat B, the boat being passed
   • CBoat A, the overtaking boat
   • DWhichever boat is closer to shore
   Voir la réponse

   Réponse: C. Boat A, the overtaking boat

   In an overtaking situation, the overtaking vessel is the give-way vessel and must keep clear until it is past.

4. Question 4 sur 25

   At night you see another boat's red sidelight on your starboard side. What should you do?

   • AHold course, since you are the stand-on boat
   • BSpeed up to cross in front of it quickly
   • CGive way, because it is crossing from your right
   • DTurn off your lights so you do not confuse it
   Voir la réponse

   Réponse: C. Give way, because it is crossing from your right

   A red light on your right means a boat is crossing from your starboard side. You are the give-way vessel.

5. Question 5 sur 25

   You see this marker with an orange circle and the number 10 inside. What does it tell you?

   • AA speed limit applies in the area
   • B10 boats may anchor here
   • CIt is buoy number 10 in the channel
   • DThe water is 10 feet deep
   Voir la réponse

   Réponse: A. A speed limit applies in the area

   A circle marks a controlled area. A number inside shows the speed limit that applies.

6. Question 6 sur 25

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

   • AOn your port (left) side
   • BOn your starboard (right) side
   • COn either side
   • DDirectly ahead of you
   Voir la réponse

   Réponse: 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.

7. Question 7 sur 25

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

   • AYellow
   • BWhite
   • CGreen
   • DRed
   Voir la réponse

   Réponse: D. Red

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

8. Question 8 sur 25

   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
   Voir la réponse

   Réponse: D. At least 4 inches

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

9. Question 9 sur 25

   Which vessels are exempt from carrying day visual distress signals?

   • AAny boat that has a working VHF radio
   • BBoats with inboard gasoline engines
   • CManually propelled boats, such as canoes
   • DAll boats over 26 feet with a cabin
   Voir la réponse

   Réponse: C. Manually propelled boats, such as canoes

   Manually propelled boats, boats under 16 feet, open sailboats under 26 feet without propulsion, and boats in organized events are exempt from day signals.

10. Question 10 sur 25

    You are leaving a harbor and heading out to sea. Where should red buoys like this be?

    • AOn your port (left) side
    • BIn the middle of your path
    • CIt does not matter
    • DOn your starboard (right) side
    Voir la réponse

    Réponse: A. On your port (left) side

    Red is kept on the right when returning, so when heading out to sea the red markers are on your left.

11. Question 11 sur 25

    What is true about carbon monoxide (CO) from boat engines?

    • AIt is safe outdoors on a boat
    • BIt only comes from diesel engines
    • CIt smells like gasoline, so it is easy to notice
    • DIt has no color or smell and can kill quickly
    Voir la réponse

    Réponse: D. It has no color or smell and can kill quickly

    Carbon monoxide is colorless and odorless. It can build up around a boat, especially near the stern and swim platform, while engines or generators run.

12. Question 12 sur 25

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

    • AA flashing blue light on the stern
    • BA white flashlight or lantern, ready to show
    • CNo light, because it has no motor
    • DA red light mounted on the bow
    Voir la réponse

    Réponse: 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.

13. Question 13 sur 25

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

    • ATwo
    • BFour
    • CThree
    • DOne
    Voir la réponse

    Réponse: A. Two

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

14. Question 14 sur 25

    Your boat is 70 feet long and has a toilet. Which marine sanitation device types may it use?

    • ANo device is required
    • BType I only
    • CType I, II or III
    • DType II or Type III
    Voir la réponse

    Réponse: D. Type II or Type III

    Vessels 65 feet and under may use a Type I, II or III device. Vessels over 65 feet must use Type II or III.

15. Question 15 sur 25

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

    • AFive short blasts
    • BTwo short blasts
    • COne prolonged blast
    • DThree short blasts
    Voir la réponse

    Réponse: 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.

16. Question 16 sur 25

    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
    Voir la réponse

    Réponse: B. One approved life jacket for each person

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

17. Question 17 sur 25

    Which kind of life jacket is the right choice for riding a personal watercraft?

    • AA non-inflatable life jacket rated for PWC use
    • BA throwable cushion held on your lap
    • CNo life jacket is needed on a PWC
    • DAn inflatable belt pack
    Voir la réponse

    Réponse: A. A non-inflatable life jacket rated for PWC use

    Most inflatable life jackets are not approved for PWC use. Wear a properly sized, inherently buoyant life jacket meant for PWC riding.

18. Question 18 sur 25

    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
    Voir la réponse

    Réponse: 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. Question 19 sur 25

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

    • AA whistle, a bell and a gong
    • BA hand-held air horn only
    • CA whistle and a bell
    • DA whistle only
    Voir la réponse

    Réponse: 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.

20. Question 20 sur 25

    When must the operator of a covered boat use the engine cut-off switch link?

    • AOnly when towing a skier or a tube
    • BWhen on plane or above displacement speed
    • COnly when docking at a marina or ramp
    • DOnly when operating after dark
    Voir la réponse

    Réponse: B. When on plane or above displacement speed

    Since April 1, 2021, operators of covered boats must use the engine cut-off switch link when running on plane or above displacement speed.

21. Question 21 sur 25

    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
    Voir la réponse

    Réponse: 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.

22. Question 22 sur 25

    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
    Voir la réponse

    Réponse: 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.

23. Question 23 sur 25

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

    • AOn your port (left) side
    • BOn either side
    • COnly on your left at night
    • DOn your starboard (right) side
    Voir la réponse

    Réponse: D. On your starboard (right) side

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

24. Question 24 sur 25

    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
    Voir la réponse

    Réponse: 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.

25. Question 25 sur 25

    A sailboat under sail (A) and a powerboat (B) are on crossing courses. Which one is the give-way vessel?

    • AThe boat on the left
    • BThe sailboat, A
    • CThe powerboat, B
    • DThe boat that is moving faster
    Voir la réponse

    Réponse: C. The powerboat, B

    A power-driven vessel must keep out of the way of a sailing vessel, unless the sailboat is overtaking it.

Clavier : 1–4 pour répondre, Entrée pour la question suivante.