1. BOTH INTERNATIONAL & INLAND Which signal shall a power-driven vessel sound when making way in fog?

One short blast every two minutes
One prolonged blast every two minutes
One prolonged and two short blasts every two minutes
Three short blasts every two minutes

2. INLAND ONLY Your vessel must remain in a narrow channel for safe operation. Another vessel is crossing the channel from your starboard. You do not think she will pass safely. You MUST __________.

stop your vessel, since the other vessel has the right of way
sound one short blast of the whistle, and turn to starboard
sound the danger signal
stop your engines, and you may sound the danger signal

3. BOTH INTERNATIONAL & INLAND A power-driven vessel is underway in fog but stopped and making no way through the water. What is the required fog signal?

One prolonged blast at not more than one-minute intervals
Two prolonged blasts at not more than one-minute intervals
One prolonged blast at not more than two-minute intervals
Two prolonged blasts at not more than two-minute intervals

4. BOTH INTERNATIONAL & INLAND A sailing vessel underway at night MAY show __________.

a green light over a red light
a red light over a white light
two white lights at the stern
None of the above

5. BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?

A whistle signal
A gong signal
A bell signal
All of the above are optional.

6. BOTH INTERNATIONAL & INLAND The masthead light may be located at other than the fore and aft centerline on a vessel __________.

less than 50 meters in length
less than 20 meters in length
of special construction
engaged in trolling

7. INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters and will pass without changing course. Vessel "A" should __________.

sound two prolonged blasts followed by two short blasts
sound the danger signal
not sound any whistle signals
sound one long blast

8. INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.

sidelights and a sternlight
the lights required for a vessel more than 7 meters in length
sidelights only
one all-round white light

9. BOTH INTERNATIONAL & INLAND The whistle signal for a vessel operating astern propulsion is __________.

one long blast
one prolonged blast
three short blasts
four or more short blasts

10. INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?

Three red lights in a vertical line on each side of the opening
Two red lights in a vertical line on each side of the opening
Three white lights in a vertical line on each side of the opening
Two white lights in a vertical line on each side of the opening