1. INTERNATIONAL ONLY Which statement is TRUE concerning light signals?

The time between flashes shall be about five seconds.
The light signals are to be used when not using sound signals.
The time between successive signals shall be not less than ten seconds.
All of the above

2. BOTH INTERNATIONAL & INLAND Which dayshape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?

A cone, apex downward
A cone, apex upward
A diamond
A ball

3. INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.

diamond shape when the length of the tow is 200 meters or less
diamond shape when the length of the tow exceeds 200 meters in length
black ball
black ball only when the length of the tow exceeds 200 meters in length

4. BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds a fog signal of __________.

one prolonged blast at intervals of not more than two minutes
two prolonged blasts at intervals of not more than two minutes
one prolonged blast at intervals of not more than one minute
two prolonged blasts at intervals of not more than one minute

5. BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.

you can stop within your visibility range
the vessel is not subject to vibrations
you are travelling slower than surrounding vessels
you can take proper and effective action to avoid collision

6. BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.

only on the approach of another vessel
only when vessels are in sight of each other
at intervals of not more than one minute
at intervals of not more than two minutes

7. BOTH INTERNATIONAL & INLAND A vessel showing a rigid replica of the International Code flag "A" is engaged in __________.

diving operations
dredging
fishing
mineclearance operations

8. BOTH INTERNATIONAL & INLAND A vessel being towed at night must show __________.

a white all-round light
sidelights and a sternlight
a flashing yellow light
forward and after masthead lights

9. BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.

no vessels are in sight visually
no vessels are visible on radar
you are in immediate danger
out of sight of land

10. BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

A vessel trawling
A vessel not under command
A pilot vessel
A vessel engaged in dredging