1. BOTH INTERNATIONAL & INLAND A vessel anchored in fog may warn an approaching vessel by sounding __________.

the whistle continuously
one short, one prolonged, and one short blast of the whistle
five or more short and rapid blasts of the whistle
three distinct strokes on the bell before and after sounding the anchor signal

2. INTERNATIONAL ONLY You are in charge of a 250-meter freight vessel constrained by her draft proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. According to Rule 9, which statement is TRUE?

You are not to impede the fishing vessel.
If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle.
You are to slow to bare steerageway until clear of the fishing vessel.
You must sound one prolonged blast to alert the fishing vessel.

3. INTERNATIONAL ONLY If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel __________.

aground
constrained by her draft
dredging
moored over a wreck

4. BOTH INTERNATIONAL & INLAND When should the fog signal of a manned vessel under tow be sounded?

After the towing vessel's fog signal
Before the towing vessel's fog signal
Approximately one minute after the towing vessel's fog signal
If the towing vessel is sounding a fog signal, the manned vessel being towed is not required to sound any fog signal.

5. BOTH INTERNATIONAL & INLAND You are on watch in the fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists, __________.

slow to less than 2 knots
stop your engines
reduce to bare steerageway
begin a radar plot

6. BOTH INTERNATIONAL & INLAND While underway and pushing a barge ahead, your vessel enters a heavy rain storm. You should sound __________.

a prolonged blast every two minutes
two prolonged blasts every two minutes
one prolonged and two short blasts every two minutes
one prolonged and three short blasts every two minutes

7. BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.

not under command lights
restricted in her ability to maneuver lights
anchor lights
sidelights and a sternlight

8. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?

Amber (yellow)
White
Blue
Red

9. BOTH INTERNATIONAL & INLAND A 20-meter vessel is towing another vessel astern. The length of the tow from the stern of the towing vessel to the stern of the tow is 75 meters. How many white towing masthead lights shall the towing vessel show at night?

1
2
3
4

10. INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

A vessel not under command
A fishing vessel
A vessel restricted in her ability to maneuver
All of the above