1. BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.

three balls in a vertical line
two balls in a vertical line
one ball near the foremast and one ball at each fore yard
one diamond near the foremast head and one ball at each fore yard

2. INTERNATIONAL ONLY The light which may be used with a vessel's whistle is to be __________.

used when the whistle is broken
used prior to sounding the whistle
used only at night
a white light

3. INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.

a single white light forward
two masthead lights in a vertical line
two towing lights in a vertical line
two all-round red lights where they can best be seen

4. INLAND ONLY Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are __________.

trolling
fishing in a traffic separation zone
in close proximity to other vessels engaged in fishing
in a narrow channel

5. BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.

one prolonged blast
two prolonged blasts
one prolonged and two short blasts in succession
one prolonged and three short blasts in succession

6. INLAND ONLY What is true of a "special flashing light"?

It may show through an arc of 180°.
It flashes at the rate of 120 flashes per minute.
It is optional below the Baton Rouge Highway Bridge.
All of the above

7. BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.

northwest (315°)
southeast (135°)
northeast (045°)
southwest (225°)

8. BOTH INTERNATIONAL & INLAND A tug is towing three unmanned barges astern in fog. The third vessel of the tow should sound __________.

no fog signal
one short blast
one prolonged and three short blasts
one prolonged, one short, and one prolonged blast

9. BOTH INTERNATIONAL & INLAND While underway, in fog, you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel __________.

not under command
being towed
on pilotage duty
aground

10. BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.

sidelights, sternlight, and a red light over a green light on the mast
sidelights, and sternlight, but they may be in a combined lantern on the mast
separate sidelights and sternlight
sidelights only