A partly submerged vessel or object being towed,which is not readily noticeable,shall show ______.
A.yellow lights at each end
B.two red lights in a vertical line
C.a black ball
D.a diamond shape
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:
If practical, when shall a manned vessel being towed sound her fog signal?______.
A.Immediately before the towing vessel sounds hers
B.Immediately after the towing vessel sounds hers.
C.As close to the mid-cycle of the towing vessel’s signals as possible
D.At any time as long as the interval is correct
第3题:
The search target is sighted and then lost
More than one vessel is available for a search
The search object is a target that will be readily detected by radar
An aircraft is available to assist a surface vessel
第4题:
vessel not under command
sailing vessel
vessel being towed (manned)
vessel being towed (unmanned)
第5题:
One vessel is approaching another vessel from more than 20° abaft the beam
It is the duty of the vessel being overtaken to get out of the way
Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel
All of the above
第6题:
one all-round white light
sidelights and a sternlight
only the outboard sidelight and a sternlight
a masthead light,sidelights,and a sternlight
第7题:
an anchor light
sidelights and a stern light
three lights in a vertical line,the highest and lowest being red,and the middle being white
None of the above
第8题:
a forward masthead light
sidelights and a sternlight
a towing light
All of the above
第9题:
A fishing vessel with outlying gear
A vessel proceeding under sail and machinery
A vessel engaged in diving operations
A vessel being towed
第10题:
yellow lights at each end
two red lights in a vertical line
a black ball
a diamond shape
第11题:
overtaking/overtaken
being overtake/being overtaken
overtaking/being overtaken
being overtaking/overtaken
第12题:
forward masthead light
after masthead light
stern light
All of the above
第13题:
A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______.
A.A vessel towing by pushing ahead
B.A power-driven vessel,not towing
C.A barge being pushed ahead
D.Either answer A or answer B
第14题:
a vessel towing by pushing ahead
a power-driven vessel,not towing
a barge being pushed ahead
either answer A or answer B
第15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
第16题:
A vessel engaged in diving operations
A pilot vessel
A vessel trawling
All of the above
第17题:
one all-round white light
sidelights and a stern light
only the outboard sidelight and a stern light
a masthead light,sidelights,and a stern light
第18题:
Each vessel should show sidelights
Each vessel should show at least one white light
The barges should be lighted as separate units
The barges should be lighted as one vessel
第19题:
an anchor light
sidelights and a sternlight
three lights in a vertical line,the highest and lowest being red,and the middle being white
None of the above
第20题:
vessel towing a submerged object
dredge underway and dredging
hydrographic survey vessel at anchor and surveying
None of the above
第21题:
yellow lights at each end
two red lights in a vertical line
a black ball
a diamond shape
第22题:
A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
A vessel which hears a fog signal forward of her beam shall stop her engines
A vessel which hears a fog signal forward of the beam shall navigate with caution
If a vessel determines by radar that a close-quarters situation is developing,she shall take avoiding action in ample time
第23题:
the lights required for a power-driven vessel underway
only the required masthead lights
a sternlight only
sidelights and a sternlight