1. INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.

a vessel meeting another head-on
a vessel overtaking another in a narrow channel
a vessel crossing the course of another
the give-way vessel in a crossing situation

2. BOTH INTERNATIONAL & INLAND A vessel underway and making way in fog shall sound every two minutes __________.

one prolonged blast
two prolonged blasts
one prolonged blast and three short blasts
three distinct blasts

3. BOTH INTERNATIONAL & INLAND By night, you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel, it will be marked by __________.

a floodlight
two red lights in a vertical line
a single red light
any visible lights

4. BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.

shall be displayed in restricted visibility during daylight hours
need not be displayed when no other vessels are in the area
shall be set at low power when used during daylight hours
need not be displayed by unmanned vessels

5. BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel underway must exhibit a __________.

sternlight
combined lantern
red light over a green light at the masthead
All of the above

6. BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.

one prolonged and two short blasts
one prolonged and three short blasts
one short blast
no fog signal

7. BOTH INTERNATIONAL & INLAND Which craft is a "power-driven vessel" under the Rules of the Road?

An auxiliary sailing vessel, using her engine
A canoe propelled by a small outboard motor
A trawler on her way to the fishing grounds
All of the above

8. INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.

diamond shape regardless of length of the tow
diamond shape only when the length of the tow exceeds 200 meters in length
black ball
black ball only when the length of the tow exceeds 200 meters in length

9. BOTH INTERNATIONAL & INLAND If you are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend, you should answer with a signal of __________.

a short blast
a prolonged blast
one short, one prolonged, and one short blast
a long blast

10. INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?

Three short blasts
A long blast
A prolonged blast
No signal is required.