North Carolina Boater Exam Practice Test 2026：第5套练习测试

North Carolina Boater Exam Practice Test 练习测试第5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

第1题，共25题
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
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.
第2题，共25题
Which light does a boat show when anchored at night?
- An all-round red light
- Its red and green sidelights
- An all-round white light
- A flashing yellow light
显示答案
答案: C. An all-round white light
A vessel at anchor shows an all-round white light at night and a black ball by day.
第3题，共25题
Which boats must display a garbage placard?
- Only boats over 100 feet
- Only sailboats
- All boats of any size
- Boats 26 feet and longer
显示答案
答案: D. Boats 26 feet and longer
Vessels 26 feet or longer must display a garbage placard at least 4 by 9 inches in a prominent place.
第4题，共25题
Boat A is overtaking boat B from behind. Which boat must keep clear?
- The smaller of the two boats
- Boat B, the boat being passed
- Boat A, the overtaking boat
- Whichever boat is closer to shore
显示答案
答案: 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.
第5题，共25题
A collision causes $3,000 in damage but no injuries. How soon must it be reported?
- Within 10 days
- It does not need to be reported
- Within 2 hours
- Within 48 hours
显示答案
答案: A. Within 10 days
Accidents with damage only (of $2,000 or more) must be reported within 10 days.
第6题，共25题
Your boat is 70 feet long and has a toilet. Which marine sanitation device types may it use?
- No device is required
- Type I only
- Type I, II or III
- Type II or Type III
显示答案
答案: 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.
第7题，共25题
A sailboat under sail (A) and a powerboat (B) are on crossing courses. Which one is the give-way vessel?
- The boat on the left
- The sailboat, A
- The powerboat, B
- The boat that is moving faster
显示答案
答案: C. The powerboat, B
A power-driven vessel must keep out of the way of a sailing vessel, unless the sailboat is overtaking it.
第8题，共25题
Another vessel sounds at least five short, rapid blasts. What does it mean?
- It agrees with your plan and will hold its course
- It is about to anchor in the middle of the channel
- It is greeting you and inviting you to pass
- It doubts your intentions or your action to avoid a collision
显示答案
答案: D. It doubts your intentions or your action to avoid a collision
Five or more short, rapid blasts is the doubt or danger signal. Slow down and make your intentions clear.
第9题，共25题
During the day, what shape does a vessel at anchor display?
- Two red balls on the mast
- An orange flag at the stern
- A black ball near the bow
- A black cone, point down
显示答案
答案: C. A black ball near the bow
An anchored vessel shows a black ball forward by day and an all-round white light at night. Vessels under 7 meters away from channels and anchorages are generally exempt.
第10题，共25题
Which kind of life jacket is the right choice for riding a personal watercraft?
- A non-inflatable life jacket rated for PWC use
- A throwable cushion held on your lap
- No life jacket is needed on a PWC
- An inflatable belt pack
显示答案
答案: 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.
第11题，共25题
Two powerboats meet head-on. What should each operator do?
- The larger boat holds course and the smaller turns
- Turn to port and pass starboard to starboard
- Both stop and wait for the other to move
- Turn to starboard and pass port side to port side
显示答案
答案: D. Turn to starboard and pass port side to port side
In a head-on meeting, each vessel alters course to starboard so they pass port to port.
第12题，共25题
Under federal law, at what blood alcohol concentration is a recreational boat operator considered intoxicated?
- 0.12 or higher
- 0.02 or higher
- 0.08 or higher
- 0.15 or higher
显示答案
答案: C. 0.08 or higher
Operating a vessel with a blood alcohol concentration of 0.08 or higher is a federal violation. States also have their own BUI laws.
第13题，共25题
What is a "safe speed"?
- A speed that lets you stop or turn in time
- The speed posted at the nearest launch ramp
- Any speed under 10 mph, in all conditions
- The highest speed your boat can safely reach
显示答案
答案: A. A speed that lets you stop or turn in time
Safe speed depends on visibility, traffic, wind, waves and your boat. You must be able to avoid a collision and stop in time.
第14题，共25题
Two sailboats meet with the wind on different sides. Which must keep clear?
- The boat with the wind on its port side
- The boat with the wind on its starboard side
- The larger sailboat
- The boat that is to leeward
显示答案
答案: A. The boat with the wind on its port side
When sailing vessels have the wind on different sides, the one with the wind on its port side keeps out of the way.
第15题，共25题
Your powerboat is approaching a vessel engaged in fishing with nets. What must you do?
- Keep out of its way
- Sound five short blasts and continue
- Hold your course; it must move for you
- Pass close to look at its gear
显示答案
答案: A. Keep out of its way
A power-driven vessel underway must keep out of the way of a vessel engaged in fishing, which has nets or gear that limit its movement.
第16题，共25题
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
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.
第17题，共25题
A sailboat is motoring with its engine and its sails are down. How is it treated under the Navigation Rules?
- As a power-driven vessel
- As a vessel not under command
- As a sailing vessel
- As a vessel at anchor
显示答案
答案: A. As a power-driven vessel
A sailboat using its engine is a power-driven vessel and follows the power-driven rules.
第18题，共25题
Which non-pyrotechnic signal counts for daytime use only?
- An orange distress flag, 3 by 3 feet
- A white all-round anchor light
- An electric distress light
- A green flashlight, held up high
显示答案
答案: A. An orange distress flag, 3 by 3 feet
An orange distress flag is a day signal. An electric distress light is a night signal.
第19题，共25题
When must the operator of a covered boat use the engine cut-off switch link?
- Only when towing a skier or a tube
- When on plane or above displacement speed
- Only when docking at a marina or ramp
- Only when operating after dark
显示答案
答案: 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.
第20题，共25题
Your boat is 40 feet long and you operate on U.S. inland waters. What document must you keep on board?
- A copy of the boat's insurance policy
- A copy of the Navigation Rules
- A map of every state you will visit
- A list of marinas with fuel
显示答案
答案: B. A copy of the Navigation Rules
Operators of vessels 12 meters (39.4 feet) or longer must keep a copy of the Navigation Rules on board on inland waters.
第21题，共25题
Several people are in cold water wearing life jackets. How can they stay warmer?
- Spread out to be seen
- Float on their backs far apart
- Huddle close together
- Take turns swimming laps
显示答案
答案: C. Huddle close together
The huddle position reduces heat loss and keeps the group together for rescuers.
第22题，共25题
What must every operator do at all times to avoid collisions?
- Rely on other boats to see you
- Watch the radar only
- Look out only at night
- Keep a proper lookout by sight and hearing
显示答案
答案: D. Keep a proper lookout by sight and hearing
Every vessel must keep a proper lookout by sight and hearing, and by all available means, at all times.
第23题，共25题
You see this marker with an orange circle and the number 10 inside. What does it tell you?
- A speed limit applies in the area
- 10 boats may anchor here
- It is buoy number 10 in the channel
- The water is 10 feet deep
显示答案
答案: A. A speed limit applies in the area
A circle marks a controlled area. A number inside shows the speed limit that applies.
第24题，共25题
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
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.
第25题，共25题
What amount of property damage makes a boating accident reportable?
- $2,000 or more
- $10,000 or more
- $500 or more
- $200 or more
显示答案
答案: A. $2,000 or more
Accidents with damage to vessels and other property totaling $2,000 or more must be reported.

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