1. 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"

2. BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?

Limited backing power of his vessel
Radar information about nearby vessels
The occupation of the other vessel, if known
All of the above

3. INLAND ONLY A vessel leaving a dock or berth must sound a prolonged blast of the whistle only if __________.

other vessels can be seen approaching
she is a power-driven vessel
visibility is restricted
her engines are going astern

4. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

hold your course and speed if he is on your port bow
sound three short blasts, and take all way off your vessel
not cross the channel if you might impede the other vessel
sound two prolonged blasts followed by one short blast

5. INTERNATIONAL ONLY Which statement is TRUE concerning light signals?

The time between flashes shall be about five seconds.
The light signals are to be used when not using sound signals.
The time between successive signals shall be not less than ten seconds.
All of the above

6. BOTH INTERNATIONAL & INLAND All of the following vessels are "restricted in their ability to maneuver" EXCEPT a vessel __________.

laying a pipeline
dredging
mineclearing
not under command

7. INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.

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

8. BOTH INTERNATIONAL & INLAND Of the vessels listed, which must keep out of the way of all the others?

A sailing vessel
A vessel restricted in her ability to maneuver
A vessel not under command
A vessel engaged in fishing

9. INLAND ONLY You are navigating in a narrow channel and must remain in the channel for safe operation. Another vessel is crossing the channel ahead of you from your starboard. You are doubtful of intention of the crossing vessel. You MUST __________.

stop your vessel, since the other vessel has the right of way
sound the danger signal
contact him on the radiotelephone to make a passing agreement
stop your engines until you have slowed to bare steerageway

10. INTERNATIONAL ONLY In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

When overtaking in restricted visibility
When overtaking in a narrow channel
When overtaking on open waters
When no other vessels are in the immediate area