1. INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.

restricted in her ability to maneuver
not under command
engaged in mineclearing operations
constrained by her draft

2. BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

do not interfere with the keeping of a proper look-out
are not the color of either sidelight
have a lesser range than the prescribed lights
All of the above

3. 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

4. BOTH INTERNATIONAL & INLAND In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should __________.

stop your engines
sound the danger signal at two-minute intervals
hold course and speed until the other vessel is sighted
take avoiding action as soon as possible

5. INLAND ONLY Only law enforcement vessels are permitted to show __________.

two red lights in a vertical line
a flashing yellow light
an alternately flashing red and yellow light
a flashing blue light

6. INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.

intends to alter course to starboard
intends to pass starboard to starboard
is altering course to starboard
intends to pass port to port

7. BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.

white lights are not used
red and green lights are not used
the vessel signals such intentions over the radiotelephone
the signal cannot be mistaken for a signal authorized by the Rules

8. BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?

Whistle only
Bell only
Whistle and bell only
Whistle, bell, and gong

9. BOTH INTERNATIONAL & INLAND You are underway in fog and hear one short, one prolonged, and one short blast in succession. What is the meaning of this signal?

A vessel is in distress and needs assistance.
A vessel is fishing, hauling nets.
A vessel is at anchor, warning of her position.
A vessel is towing.

10. BOTH INTERNATIONAL & INLAND A vessel underway and making way in fog shall sound every two minutes __________.

one prolonged blast
two prolonged blasts
one prolonged blast and three short blasts
three distinct blasts