1. INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.

alternately flashing red and yellow light
flashing blue light
flashing yellow light
alternately flashing blue and red light

2. BOTH INTERNATIONAL & INLAND When anchoring a 25-meter vessel at night, you must show __________.

one all-round white light
two all-round white lights
one all-round white light and the sidelights
the sidelights and a sternlight

3. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You MUST __________.

hold your course and speed
sound the danger signal
not cross the channel if you might impede the other vessel
initiate an exchange of passing signals

4. BOTH INTERNATIONAL & INLAND A vessel at anchor shall display, between sunrise and sunset, on the forward part of the vessel where it can best be seen __________.

one black ball
two black balls
one red ball
two orange and white balls

5. BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

one prolonged and two short blasts at two-minute intervals
one prolonged and three short blasts at two-minute intervals
a rapid ringing of the bell for five seconds at one-minute intervals
a sounding of the bell and gong at one-minute intervals

6. INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.
A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft.
A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing.
A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.

7. INLAND 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

8. INTERNATIONAL ONLY You are in charge of a 250-meter freight vessel constrained by her draft proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. According to Rule 9, which statement is TRUE?

You are not to impede the fishing vessel.
If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle.
You are to slow to bare steerageway until clear of the fishing vessel.
You must sound one prolonged blast to alert the fishing vessel.

9. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

A seaplane must show appropriate lights but need not exhibit shapes.
A seaplane should exhibit the lights for a vessel constrained by her draft.
In situations where a risk of collision exists, a seaplane should always give way.
A seaplane on the water shall, in general, keep well clear of all vessels.

10. BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits the same lights as a __________.

vessel towing, when not underway
vessel towing astern
sailing vessel
pushing vessel and a vessel being pushed, when they are in a composite unit