1. BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.

two balls in a vertical line
two diamonds in a vertical line
a single black ball
no shape is shown during the day

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

alternating red and yellow light
alternating white and yellow light
all-round white or yellow light
all-round white light only

3. INTERNATIONAL ONLY You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.

hold course and sound a two blast whistle signal
hold course and sound no whistle signal
change course to the right and sound one blast
hold course and sound two prolonged and two short blasts

4. BOTH INTERNATIONAL & INLAND Which vessel may use the danger signal?

The vessel to starboard when two power-driven vessels are crossing
A vessel engaged in fishing, crossing the course of a sailing vessel
Either of two power-driven vessels meeting head-on
All of the above

5. BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.

restricted in her ability to maneuver
in special circumstances
not under command
constrained by her draft

6. INLAND ONLY A flashing blue light is used to identify __________.

law enforcement vessels
U.S. submarines
air-cushion vessels in the nondisplacement mode
dredge pipelines on trestles

7. BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?

Your speed must be reduced to bare steerageway.
A look-out is not required if the radar is on.
Fog signals are only required when a vessel is detected by radar.
The radar should always be kept on a short-range scale.

8. BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?

You should make an ample change to port for a vessel crossing on the starboard bow.
You should maneuver in ample time if a close-quarters situation is developing.
You should determine the course and speed of all radar contacts at six minute intervals.
Long-range scanning will provide early warning of ALL other vessels within the radar's range.

9. BOTH INTERNATIONAL & INLAND Two all-round red lights displayed in a vertical line are shown by a vessel __________.

being towed
pushing a barge ahead
at anchor
not under command

10. 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