two red lights at night and two black balls during daylight
two red lights at night and three black balls during daylight
three red lights at night and two black balls during daylight
three red lights at night and three black balls during daylight
第1题:
A vessel or object being towed astern shall display a(n) ______.
A.forward masthead light
B.after masthead light
C.stern light
D.All of the above
第2题:
A vessel not under command sounds the same fog signal as a vessel ______.
A.engaged in towing
B.constrained by her draft
C.under sail
D.All of the above
第3题:
If a seaplane is not used as a means of transpiration on water but is capable of being used so,it shall ().
A.be regarded as a vessel not under command
B.be regarded as a vessel underway
C.be regarded as a vessel
D.be regarded as a sailing vessel
第4题:
a vessel restricted in her ability to maneuver
a vessel under command
a passenger ship
a seaplane on the water
第5题:
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel ______.
A.not under command
B.retricted in her ability to maneuver
C.engaged in towing
D.Fishing
第6题:
A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
第7题:
A vessel on the high seas that is not under command shall display which of the following day signals? ______
A.Two black balls
B.Three black balls
C.Two red balls
D.Three red balls
第8题:
A vessel not under command shall display ______.
A.two red lights at night and two black balls during daylight
B.two red lights at night and three black balls during daylight
C.three red lights at night and two black balls during daylight
D.three red lights at night and three black balls during daylight
第9题:
When vessel is on fire
When vessel is not under command
When vessel is carrying the dangerous cargoes
When vessel is restricted in her ability to maneuver
第10题:
By day,she shall carry a black cylinder shape
By day,she shall carry two black balls in a vertical line
By night,she would show the same lights as a vessel not under command
By day,she would show the same shapes as a vessel restricted in her ability to maneuver