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1题:
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall,when making way,exhibit ______.
A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in its ability to maneuver
C.sidelights,stern light and towing light
D.All of the above
第2题:
A vessel transferring provisions while underway
A pushing vessel and a vessel being pushed when connected in a composite unit
A vessel servicing a navigation mark
A vessel launching aircraft
第3题:
One
Two
Three
Four
第4题:
When the towing vessel enters the fog
When the drilling rig enters the fog
When the towing vessel can no longer be seen from the rig
Immediately
第5题:
the masthead lights for a towing vessel
the lights for a vessel restricted in its ability to maneuver
sidelights,stern light and towing light
All of the above
第6题:
three masthead lights in a vertical line instead of either the forward or after masthead light
two masthead lights in a vertical line instead of either the forward or after masthead lights
two towing lights in a vertical line at the stern
a small white light aft of the funnel
第7题:
need not show the lights for a vessel engaged in towing,if it is impractical to do so
may show the lights for a vessel not under command
must show a yellow light above the stern light
must show the lights for a vessel towing
第8题:
only if she is towing astern
only if the tow exceeds 200 meters
at any time when towing
if the towing vessel is part of a composite unit
第9题:
a forward masthead light
sidelights and a sternlight
a towing light
All of the above
第10题:
two towing lights in a vertical line
a towing light in a vertical line above the sternlight
two towing lights in addition to the sternlight
a small white light in lieu of the sternlight
第11题:
the masthead lights for a towing vessel
the lights for a vessel restricted in her ability to maneuver
sidelights,stern light,and towing light
All of the above
第12题:
all information contained on the barge's Certificate of Inspection
the condition of all towing gear to be used
all navigational aids to be used
the barges load line and draft readings
第13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:
in distress
approaching a bend in the channel
operating astern propulsion
intending to overtake another vessel
第17题:
only a stern light
a towing light above the stern light
two towing lights in a vertical line
two white lights in a vertical line
第18题:
is pushed
being pushed
was pushed
be pushed
第19题:
only the lights for a vessel towing
only the lights for a vessel restricted in her ability to maneuver
the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver
the lights for a towing vessel and the lights for a vessel not under command
第20题:
the masthead lights for a towing vessel
the lights for a vessel restricted in its ability to maneuver
sidelights,sternlight and towing light
All of the above
第21题:
a single white light forward
two masthead lights in a vertical line
two towing lights in a vertical line
two all-round red lights where they can best be seen
第22题:
vessel towing a submerged object
dredge underway and dredging
hydrographic survey vessel at anchor and surveying
None of the above
第23题:
a tugboat
a sailing vessel
a power-driven vessel
a vessel propelled by machinery and under sail