California Boater Card Practice Test 2026：第2套练习测试

California Boater Card Practice Test 练习测试第2套（共6套）：再练25道题，附答案和解释。

船只驾驶
加利福尼亚州
132道题
核对于2026年10月10日

第1题，共25题
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
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).
第2题，共25题
Instead of a lanyard, what other type of engine cut-off device is approved?
- A warning sticker placed on the dashboard
- A loud alarm that sounds but does not stop the engine
- A rope tied between the helm and the ladder
- A wireless fob that stops the engine in water
显示答案
答案: D. A wireless fob that stops the engine in water
Wireless engine cut-off devices, worn by the operator, stop the engine when the fob goes into the water.
第3题，共25题
If you use pyrotechnic signals to meet the requirement, how many must you carry?
- Six signals for night use only
- Three for day use and three for night use
- Ten signals of any type, day or night
- One for day use and one for night use
显示答案
答案: B. Three for day use and three for night use
Carry at least three day and three night signals. Combination day/night flares can count toward both.
第4题，共25题
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
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.
第5题，共25题
On inland waters, what signal does a power-driven vessel sound when it leaves a dock or berth?
- One short blast
- Two prolonged blasts
- One prolonged blast
- Five short blasts
显示答案
答案: C. One prolonged blast
A power-driven vessel leaving a dock or berth sounds one prolonged blast.
第6题，共25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7题，共25题
On inland waters, what do two short blasts mean when two power-driven vessels meet or cross in sight of each other?
- "I intend to leave you on my starboard side"
- "I intend to leave you on my port side"
- "I am leaving the dock"
- "I am anchored"
显示答案
答案: A. "I intend to leave you on my starboard side"
Under Inland Rule 34, two short blasts mean "I intend to leave you on my starboard side".
第8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9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10题，共25题
In this diagram, what color is the port sidelight (light 1)?
- Yellow
- White
- Green
- Red
显示答案
答案: D. Red
The port sidelight is red and the starboard sidelight is green.
第11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12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13题，共25题
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
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.
第14题，共25题
What does NASBLA stand for?
- North American Society of Boat Licensing Authorities
- National Association of State Boating Law Administrators
- National Alliance of Sailing and Boating Leagues
- National Agency for Safe Boating and Lifesaving Activities
显示答案
答案: B. National Association of State Boating Law Administrators
NASBLA is the national association of state boating law administrators. Most state boater education courses are NASBLA-approved.
第15题，共25题
Why is a personal watercraft operator's lanyard attached to their body or life jacket?
- So the PWC can be anchored
- So the engine stops if the rider falls off
- So the lights turn on automatically
- So the rider can tow a tube
显示答案
答案: B. So the engine stops if the rider falls off
If the rider falls off, the lanyard pulls the cut-off switch and the engine stops, so the PWC does not keep going without them.
第16题，共25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17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18题，共25题
What does a yellow buoy like this tell you?
- Danger: rocks are right below the buoy
- It marks a special area, not a channel side
- There is safe water all around it
- Keep it on your right when returning
显示答案
答案: B. It marks a special area, not a channel side
Special marks are yellow. They point out a special area or feature and are not lateral channel markers.
第19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20题，共25题
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
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.
第21题，共25题
A person goes missing from your boat. Who must you notify right away?
- The nearest state boating authority
- The company that built your boat
- Nobody until the written report is due
- Your insurance company only
显示答案
答案: A. The nearest state boating authority
For a death or a missing person, notify the nearest state boating authority immediately, then file the written report.
第22题，共25题
Your boat is 14 feet long and you are on coastal waters. Which visual distress signals are required?
- Day and night signals at all times on the water
- No signals at any time, because it is under 16 feet
- Day signals only, when out between sunrise and sunset
- Night signals, when out between sunset and sunrise
显示答案
答案: D. Night signals, when out between sunset and sunrise
Boats under 16 feet are exempt from day signal requirements but must carry night signals when operating from sunset to sunrise.
第23题，共25题
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
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.
第24题，共25题
A 32-foot boat built in 2020 needs fire extinguishers. Which choice meets the requirement (with no fixed system)?
- One 5-B extinguisher
- One household 1-A unit
- Three 20-B extinguishers
- Two 5-B, or one 20-B
显示答案
答案: D. Two 5-B, or one 20-B
Boats 26 feet to under 40 feet need two 5-B extinguishers. Because one 20-B can replace two 5-B extinguishers, one 20-B also meets the rule.
第25题，共25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.

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