1. BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?

A whistle signal
A gong signal
A bell signal
All of the above are optional.

2. BOTH INTERNATIONAL & INLAND A "short blast" on the whistle has a duration of __________.

1 second
4 to 6 seconds
8 to 12 seconds
12 to 15 seconds

3. BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?

When the two vessels are less than half a mile from each other.
When the give-way vessel is not taking appropriate action to avoid collision.
When collision is imminent.
The stand-on vessel is never allowed to take action.

4. INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

all-round white or yellow light
all-round yellow light only
all-round white light only
Any colored light is acceptable.

5. BOTH INTERNATIONAL & INLAND A vessel towing a barge astern would show, at the stern __________.

only a sternlight
a towing light above the sternlight
two towing lights in a vertical line
two white lights in a vertical line

6. INTERNATIONAL ONLY The International Rules of the Road apply __________.

to all waters
to any waters inside the territorial waters of the U.S.
only to waters where foreign vessels travel
upon the high seas and connecting waters navigable by seagoing vessels

7. BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signals, you will be sounding __________.

three strokes of the gong before and after the rapid ringing of the gong
a blast on the whistle
three strokes of the bell before and after the rapid ringing of the bell
no additional signals

8. BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's sternlight __________.

only if she is towing astern
only if the tow exceeds 200 meters
at any time when towing
if the towing vessel is part of a composite unit

9. BOTH INTERNATIONAL & INLAND Which vessel must have a gong, or other equipment which will make the sound of a gong?

A sailing vessel
Any vessel over 50 meters
A power driven vessel over 75 meters
Any vessel over 100 meters

10. BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits the same lights as a __________.

vessel towing, when not underway
vessel towing astern
sailing vessel
pushing vessel and a vessel being pushed, when they are in a composite unit