1. BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.

only on the approach of another vessel
only when vessels are in sight of each other
at intervals of not more than one minute
at intervals of not more than two minutes

2. INLAND ONLY What is the whistle signal used to indicate a power-driven vessel leaving a dock?

One short blast
Three short blasts
One prolonged blast
Three prolonged blasts

3. INLAND ONLY A power-driven vessel, when leaving a dock or berth, must sound what signal?

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

4. BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

A bell signal
A gong signal
A whistle signal
All of the above

5. INLAND ONLY While underway at night, you see two yellow lights displayed in a vertical line. This should indicate to you a(n) __________.

opening in a pipeline
vessel broken down
vessel pushing ahead
vessel fishing

6. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

hold your course and speed if he is on your port bow
sound three short blasts, and take all way off your vessel
not cross the channel if you might impede the other vessel
sound two prolonged blasts followed by one short blast

7. BOTH INTERNATIONAL & INLAND You can indicate that your vessel is in distress by __________.

displaying a large red flag
displaying three black balls in a vertical line
sounding four or more short rapid blasts on the whistle
continuously sounding the fog whistle

8. BOTH INTERNATIONAL & INLAND A vessel being towed, if manned, shall sound a fog signal of __________.

two short blasts
three short blasts
one prolonged and two short blasts
one prolonged and three short blasts

9. BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

A vessel towing astern
A vessel trawling
A vessel not under command
A vessel engaged in dredging operations

10. BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.

two red lights at night and two black balls during daylight
two red lights at night and three black balls during daylight
three red lights at night and two black balls during daylight
three red lights at night and three black balls during daylight