1. INLAND ONLY A vessel displaying an alternating red and yellow light is __________.

in distress
enforcing the law
engaged in public safety activities
restricted in its ability to maneuver

2. 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"

3. BOTH INTERNATIONAL & INLAND You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists __________.

slow to less than 2 knots
reduce to bare steerageway
stop your engines
initiate a radar plot

4. INTERNATIONAL ONLY Which dayshape is prescribed for a vessel constrained by her draft?

A black diamond
A cylinder
A black ball
A black cone, apex upward

5. INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.

proceed to overtake her without sounding whistle signals
attempt to contact her on the radiotelephone to arrange for the passage
sound four short blasts
Any of the above

6. 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

7. INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.

one short blast
two short blasts
two prolonged blasts followed by one short blast
two prolonged blasts followed by two short blasts

8. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?

Risk of collision never exists if the compass bearing of the other vessel is changing.
Proper use shall be made of radar equipment to determine risk of collision.
Risk of collision must be determined before any action can be taken by a vessel.
Risk of collision exists if the vessels will pass within half a mile of each other.

9. INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.

the waters surrounding any islands of the U.S.
the Great Lakes on the United States side of the boundary
the coastline of the United States, out to one mile offshore
any lakes within state boundaries

10. BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

Any means of making an efficient sound signal
A bell only
A whistle only
A bell and a whistle