問題一覧
1
1) You see another vessel approaching, and its compass bearing does not significantly change. This would indicate that
risk of collision exists
2
2)The masthead light may be located at other than the fore and aft centerline on a vessel.
of special construction
3
3) A vessel towing a barge astern would show at the astern
a towing light above the stern light
4
4)Which vessel, when anchored at night, would NOT be required to show anchor lights?
A vessel dredging
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5) Which vessel sounds the same fog signal when underway or at anchor?
A vessel restricted in her ability to maneuver
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6) What is the identity signal which may be sounded by a vessel engaged on pilotage duty in fog?
b. 4 short blasts
7
Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?
c. Masthead lights, sidelights and stern light.
8
8) Yellow lights are NOT used to identify.
a. the heads of tows being pushed ahead by tugboats
9
9) What describes a head on situation?
b. Seeing both sidelights of a vessel directly ahead
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10) Which statement is TRUE concerning fog signals?
a. A vessel aground may sound a whistle signal
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11) if it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible.
turn to port for a vessel on her own port side
12
A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound
one prolonged and three short blasts
13
Which statement is TRUE concerning seaplanes on the water?
A seaplane on the water shall, in general, keep well clear of all vessels
14
Which statement is TRUE concerning two sailing vessels?
A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of a sailing
15
An anchor ball need NOT be exhibited by an anchored vessel if she is.
less than 7 meters in length, and not in or near an area where other vessels normally navigate
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16) What is the minimum length of vessels required to show two anchor lights?
50 meters
17
Power-driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?
a diamond shape
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18) While underway in fog, you hear a vessel ahead sound two short blasts on the whistle. You should
sound two short blasts and change course to the left
19
A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit
a diamond shape where it can best be seen
20
You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel
more than 100 meters in length, at anchor
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21) At night, a vessel displaying the lights shown is
underway
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it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible.
turn to port for a vessel on her own port side
23
vessel, which is unable to maneuver due to some exceptional circumstance, shall exhi
when making way at night two all around red light sidelights and a stern light.
24
While underway at night you are coming up on a vessel from astern. What lights would you expect to see?
One white light
25
A fog signal of one prolonged blast followed by four short blasts would mean the presence of a
power-driven pilot vessel on station underway
26
When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT
ringing of a bell for five seconds
27
According to the Navigation Rules, you may depart from the Rules when.
you are in immediate danger
28
While underway and in sight of another vessel forward of your beam more than 0.5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
You must sound three short blasts on the whistle.
29
power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to
keep clear, passing at a safe distance
30
At night you sight a vessel displaying a single green light. This is a
vessel drifting
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you see a vessel's green sidelight bearing due east from you. The vessel might be heading.
east (090)
32
The arc of visibility for sidelights is from right ahead to
22.5" abaft the beam
33
Which factor is listed in the Rules as one which must be taken into account when determining safe speed?
The maneuverability of the vessel
34
Which statement is TRUE concerning two sailing vessels approaching each other?
A sailing vessel seeing another to leeward on an undetermined tack shall hold her course.
35
The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights.
shall be displayed in restricted visibility during daylight hours
36
A vessel displaying the black ball day-shape is
anchored
37
A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear
one white light
38
Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
She has the right-of-way only if she is power-driven.
39
You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should
hold your course and speed
40
All of the following are distress signals EXCEPT
giving five or more short and rapid blasts of the whistle
41
41) A "flashing light" is a light that
flashes at regular intervals at a frequency of 120 flashes or more per minute
42
50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
Two masthead lights forward, a stern light, and a towing light above the stern light
43
Which vessels shall turn off their sidelights?
All fishing vessels that are not making way
44
You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should
not cross the channel if you might impede the other vessel
45
Which statement is TRUE concerning the danger signal?
Distress signals may be used in place of the danger signal.
46
Your tug is underway at night and NOT towing. What light(s) should your vessel show aft to other vessels coming up from astern?
One white light
47
You can indicate that your vessel is in distress by
continuously sounding the fog whistle
48
Which statement is TRUE concerning a vessel of 75 meters in length, at anchor?
She must show an all-round white light forward.
49
Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE
Your vessel is the give-way vessel in a crossing situation.
50
200-meter vessél a aground in fog. Which signal is optional?
All of the above are mandatory