1. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a short blast, a prolonged blast, and a short blast of a whistle. This signal indicates a __________.

vessel towing in fog
sailboat underway in fog
vessel being towed in fog
vessel anchored in fog

2. INLAND ONLY While underway at night, you see two yellow lights displayed in a vertical line. This should indicate to you a(n) __________.

opening in a pipeline
vessel broken down
vessel pushing ahead
vessel fishing

3. BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.

vessels at anchor, not engaged in fishing
vessels underway and towing
vessels in danger
pilot vessels

4. BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?

10 meters
20 meters
30 meters
40 meters

5. BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured shall sound __________.

one short blast
one long blast
two short blasts
one prolonged blast

6. BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.

take avoiding action immediately upon determining that risk of collision exists
immediately sound the danger signal
take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate
hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision

7. INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.

hold course and sound no whistle signal
hold course and sound a two blast whistle signal
change course to starboard and sound one blast
hold course and sound one blast

8. 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
do not impair the visibility or distinctive character of the prescribed lights
cannot be mistaken for the lights specified elsewhere in the Rules
All of the above

9. BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and sternlight in a combined lantern on the mast?

An 18-meter sailing vessel
A 10-meter sailing vessel also being propelled by machinery
A 25-meter sailing vessel
All of the above

10. BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.

vessel trolling
mineclearing vessel
trawler
vessel engaged in replenishment at sea