1. BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

do not interfere with the keeping of a proper look-out
do not impair the visibility or distinctive character of the prescribed lights
cannot be mistaken for the lights specified elsewhere in the Rules
All of the above

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

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

3. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel?

By day, she shall carry a black cylinder shape.
By day, she shall carry two black balls in a vertical line.
By night, she would show the same lights as a vessel not under command.
By day, she would show the same shapes as a vessel restricted in her ability to maneuver.

4. INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?

Towing light
Vessel constrained by her draft
In sight
Restricted visibility

5. BOTH INTERNATIONAL & INLAND The Rules state that risk of collision shall be deemed to exist __________.

whenever two vessels approach from opposite directions
if the bearing of an approaching vessel does not appreciably change
whenever a vessel crosses ahead of the intended track of another vessel
if one vessel approaches another so as to be overtaking

6. BOTH INTERNATIONAL & INLAND A vessel engaged in fishing shall keep out of the way of a vessel __________.

under sail
restricted in her ability to maneuver
crossing a channel
All of the above

7. 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

8. INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?

Towing light
Vessel constrained by her draft
In sight
Restricted visibility

9. BOTH INTERNATIONAL & INLAND In a dense fog, you hear a whistle signal of one prolonged blast followed by three short blasts. This signal is sounded by a __________.

manned vessel being towed
fishing vessel underway trawling
pilot vessel underway making a special signal
vessel not under command

10. BOTH INTERNATIONAL & INLAND You are underway in fog and you hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This signal indicates a vessel __________.

aground
engaged in underwater construction
at anchor
in distress