1. INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.

show a flashing yellow light at each corner
show a white light at each corner
show a red light at the bow and stern
not be required to be lighted

2. BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing astern, shall show __________.

two towing lights in a vertical line
a towing light in a vertical line above the sternlight
two towing lights in addition to the sternlight
a small white light in lieu of the sternlight

3. BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

take all way off, if necessary
stop your engines
begin a radar plot
All of the above

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 a narrow channel
in close proximity to other vessels engaged in fishing

5. BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.

three black balls in a vertical line
two red balls in a vertical line
a black cylinder
a rigid replica of the International Code flag "A"

6. BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?

20 meters
50 meters
65 meters
100 meters

7. BOTH INTERNATIONAL & INLAND Which signal may at some time be exhibited by a vessel trawling?

Two white lights in a vertical line
A white light over a red light in a vertical line
Two red lights in a vertical line
All of the above

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

sound the danger signal
sound a prolonged blast
take all way off
post a look-out

9. BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal if she is __________.

underway, but not making way
aground
being towed
not engaged in pilotage duty

10. BOTH INTERNATIONAL & INLAND A partly submerged vessel or object being towed, which is not readily noticeable, shall show __________.

yellow lights at each end
two red lights in a vertical line
a black ball
a diamond shape