1. INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?

A white light placed on the two corners farthest from the bank
Two yellow lights in a vertical line at the stern
A red light placed on all four corners
A red light placed on the two corners farthest from the bank

2. BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

Any means of making an efficient sound signal
A bell only
A whistle only
A bell and a whistle

3. BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and aground would display a dayshape consisting of __________.

a cylinder
one black ball
two black balls in a vertical line
three black balls in a vertical line

4. BOTH INTERNATIONAL & INLAND Which signal may be used by a vessel that is in doubt as to whether sufficient action is being taken by another vessel to avoid collision?

A continuous sounding of the fog horn
Firing a gun every minute
Five or more short rapid blasts on the whistle
One prolonged blast on the whistle

5. INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. What whistle signal should be sounded in order to state this intention?

1 prolonged and 1 short blast
1 short blast
2 prolonged and 2 short blasts
2 short blasts

6. BOTH INTERNATIONAL & INLAND If underway in low visibility and sounding fog signals, what changes would you make in the fog signal IMMEDIATELY upon losing the power plant and propulsion?

Begin sounding one prolonged blast followed by two short blasts at two-minute intervals.
Begin sounding one prolonged blast followed by three short blasts at two-minute intervals.
Begin sounding two prolonged blasts at two-minute intervals.
No change should be made in the fog signal.

7. BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.

one long blast
one prolonged blast
the danger signal
two short blasts

8. BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after white masthead lights when making way?

A 75-meter vessel restricted in her ability to maneuver
A 100-meter sailing vessel
A 150-meter vessel engaged in fishing
A 45-meter vessel engaged in towing

9. INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?

The vessel moving upstream against the current
The vessel moving downstream with a following current
The vessel located more towards the channel centerline
The vessel sounding the first whistle signal

10. 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