North Carolina Boater Exam Practice Test 2026：第6套练习测试

North Carolina Boater Exam Practice Test 练习测试第6套（共6套）：再练20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20题
After a boating accident, what must the operator do?
- Stop, help if safe, and give name, address and boat ID
- Wait for the other boat to call for help first
- Leave quickly so the area is clear for rescuers
- Only call a tow company to move the boats
显示答案
答案: A. Stop, help if safe, and give name, address and boat ID
Federal law requires an operator involved in a casualty to give assistance as far as possible without serious danger, and to give their name, address and vessel identification.
第2题，共20题
What is true about carbon monoxide (CO) from boat engines?
- It is safe outdoors on a boat
- It only comes from diesel engines
- It smells like gasoline, so it is easy to notice
- It has no color or smell and can kill quickly
显示答案
答案: 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.
第3题，共20题
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
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.
第4题，共20题
Where should swimmers stay away from while a boat's engine or generator is running?
- The shoreline and shallow water nearby
- The bow, where the anchor is stored
- The swim platform and the back of the boat
- The anchor line at the front of the boat
显示答案
答案: C. The swim platform and the back of the boat
Exhaust gases with carbon monoxide collect near the stern and swim platform. Do not swim or sit there while engines or generators run.
第5题，共20题
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
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.
第6题，共20题
At night you see another boat's red sidelight on your starboard side. What should you do?
- Hold course, since you are the stand-on boat
- Speed up to cross in front of it quickly
- Give way, because it is crossing from your right
- Turn off your lights so you do not confuse it
显示答案
答案: 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.
第7题，共20题
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
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.
第8题，共20题
How can you tell that you are on a collision course with another boat?
- Its compass bearing stays about the same as it gets closer
- It is moving slower than you
- Its bearing changes quickly as it approaches
- It is showing only a white light
显示答案
答案: A. Its compass bearing stays about the same as it gets closer
If an approaching vessel's bearing does not change much while the distance closes, a risk of collision exists.
第9题，共20题
Where can you legally throw plastic overboard?
- More than 12 miles from shore
- Nowhere
- More than 3 miles from shore
- Only in rivers
显示答案
答案: B. Nowhere
Discharging plastic into the water is prohibited everywhere.
第10题，共20题
You are the stand-on vessel, but the give-way vessel is not taking action and a collision is near. What must you do?
- Turn off your engine and drift
- Sound one prolonged blast and keep going
- Take action to avoid the collision
- Hold course and speed no matter what
显示答案
答案: C. Take action to avoid the collision
The stand-on vessel must take the best action to avoid collision when the give-way vessel alone can no longer prevent it.
第11题，共20题
During the day, a sailboat using its engine with its sails up should display what?
- A black cone with its point down
- An orange flag on the mast
- A red pennant at the stern
- A black ball in the rigging
显示答案
答案: A. A black cone with its point down
A sailing vessel under power displays a cone, apex down, by day. It is not required for vessels under 12 meters on inland waters.
第12题，共20题
Which vessels are exempt from carrying day visual distress signals?
- Any boat that has a working VHF radio
- Boats with inboard gasoline engines
- Manually propelled boats, such as canoes
- All boats over 26 feet with a cabin
显示答案
答案: 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.
第13题，共20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?
- Two
- Three
- None
- One
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).
第14题，共20题
How long should you run the blower before starting a gasoline inboard engine?
- At least 20 minutes
- Only while the engine is cranking
- About 10 seconds
- At least 4 minutes
显示答案
答案: D. At least 4 minutes
Boats with powered blowers carry a warning label: run the blower at least four minutes and check the bilge for gasoline vapors before starting.
第15题，共20题
A large ship can only operate safely inside a narrow channel. What must a small recreational boat do?
- Hold course because small boats have right of way
- Not get in its way
- Stop in the channel and wait
- Cross in front of it to show its position
显示答案
答案: B. Not get in its way
Vessels under 20 meters (65.6 feet) and sailing vessels must not impede a vessel that can navigate safely only within a narrow channel.
第16题，共20题
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
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.
第17题，共20题
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
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.
第18题，共20题
You are leaving a harbor and heading out to sea. Where should red buoys like this be?
- On your port (left) side
- In the middle of your path
- It does not matter
- On your starboard (right) side
显示答案
答案: 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.
第19题，共20题
What sound-producing device must a boat under 12 meters (39.4 feet) carry?
- A bell and a gong mounted on deck
- A siren, like those used on police boats
- Nothing; shouting loudly is enough
- An efficient sound device, such as a horn or whistle
显示答案
答案: D. An efficient sound device, such as a horn or whistle
Boats under 12 meters must carry an efficient sound-producing device, such as a hand-held air horn or a whistle. A human voice is not acceptable.
第20题，共20题
What kind of numbers do green can buoys like this carry?
- Numbers ending in zero
- Odd numbers
- Letters only
- Even numbers
显示答案
答案: B. Odd numbers
Green lateral markers carry odd numbers. Red markers carry even numbers.

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