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单选题
If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.
A
pushed ahead
B
towed alongside
C
towed astern
D
Any of the above
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更多 “单选题If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.A pushed aheadB towed alongsideC towed asternD Any of the above” 相关考题
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A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?A.When the towing vessel enters the fogB.When the drilling rig enters the fogC.When the towing vessel can no longer be seen from the rigD.Immediately
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A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when ______.A.directly astern and pushing the towB.towing on a hawserC.towing alongside and parallel to the vessel it is towingD.towing on the hip
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A vessel is considered to be "restricted in her ability to maneuver" under the Rules if she is ______.A.at anchorB.mineclearingC.engaged in fishingD.engaged in towing
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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 vesselB.the lights for a vessel restricted in its ability to maneuverC.sidelights，stern light and towing lightD.All of the above
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A vessel engaged in mine clearance operations is called ______.A.a vessel restricted in her ability to maneuverB.a vessel not under commandC.a vessel constrained by her draughtD.a vessel not under way
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An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful Which action should now be taken?______.A.Abandon the towing vessel.B.Radio for emergency assistance.C.Slip the towline and allow it to run off the drum.D.Secure all watertight openings on the towing vessel.
考题
If practical, when shall a manned vessel being towed sound her fog signal?______.A.Immediately before the towing vessel sounds hersB.Immediately after the towing vessel sounds hers.C.As close to the mid-cycle of the towing vessel’s signals as possibleD.At any time as long as the interval is correct
考题
单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）A
By day，she shall carry a black cylinder shapeB
By day，she shall carry two black balls in a vertical lineC
By night，she would show the same lights as a vessel not under commandD
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
考题
单选题A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）A
When the towing vessel enters the fogB
When the drilling rig enters the fogC
When the towing vessel can no longer be seen from the rigD
Immediately
考题
单选题You see a vessel carrying a black diamond which indicates a（）.A
vessel towing asternB
barge pushed aheadC
vessel towing astern only when the length of her tow exceeds 200 metersD
this signal does not exist in international waters
考题
单选题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 vesselB
the lights for a vessel restricted in its ability to maneuverC
sidelights，stern light and towing lightD
All of the above
考题
单选题Which vessel is NOT classified as “restricted in her ability to maneuver” （）.A
A vessel picking up a navigation markB
A vessel transferring cargo while underwayC
A vessel whose anchor is fouledD
A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
考题
单选题（）is not a vessel restricted in her ability to maneuver．A
A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipelineB
A vessel engaged in dredging，surveying or underwater operationsC
A vessel engaged in replenishment or transferring persons，provisions or cargo while underwayD
A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
考题
单选题In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.A
insure that the hawser leads directly aft as it passes over the stern of the towing vesselB
increase the stability of the towing vessel by raising the hawser off the deckC
reduce chafing of the towing hawserD
prevent fouling of the hawser on deck gear located on the stern of the towing vessel
考题
单选题You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.A
the towing vessel should slip firstB
the vessel towed should slip firstC
they should slip simultaneouslyD
either vessel may slip first
考题
单选题A vessel towing where the tow prevents her from changing course shall carry（）.A
only the lights for a vessel towingB
only the lights for a vessel restricted in her ability to maneuverC
the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuverD
the lights for a towing vessel and the lights for a vessel not under command
考题
单选题You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.A
No fog signalB
A prolonged blast at intervals never to exceed more than two minutesC
A prolonged blast followed by two short blasts at intervals never to exceed more than two minutesD
A prolonged blast followed by three short blasts at intervals never to exceed more than one minute
考题
单选题A “loose” tow may cause all of the following EXCEPT（）.A
loss of maneuverabilityB
lines to partC
damage to the towing vessel and towD
a saving in the transit time
考题
单选题A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.A
at anchorB
mineclearingC
engaged in fishingD
engaged in towing
考题
单选题A single towing light will be carried above a vessel’s sternlight（）.A
only if she is towing asternB
only if the tow exceeds 200 metersC
at any time when towingD
if the towing vessel is part of a composite unit
考题
单选题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 vesselB
the lights for a vessel restricted in its ability to maneuverC
sidelights，sternlight and towing lightD
All of the above
考题
单选题In restricted visibility a towed vessel must sound a fog signal when it is（）.A
the last vessel in the towB
the last vessel in the tow and it is carrying a crewC
manned，regardless of its position in the towD
None of the above are correct
考题
单选题In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.A
shock loading on the tow line is reduceB
towing speed is improvedC
the vessel is more visible from the tugD
the catenary of the tow line is reduced
考题
单选题A towing vessel and her tow are severely restricted in their ability to change course. When making way，the towing vessel will show ONLY（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in her ability to maneuverC
sidelights，stern light，and towing lightD
All of the above
考题
单选题A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.A
tow strainB
catenary lengthC
being in stepD
Williamson's Tow
考题
单选题When towing in an open seaway，it is important to use a towing line（）.A
made only of wire rope，due to possible weather conditionsB
that will have the tow on a crest while your vessel is in a troughC
that will have the tow on a crest while your vessel is on a crestD
with little dip to gain maximum control of the tow
考题
单选题Which statement is TRUE，according to the Rules（）.A
A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuverB
A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draftC
A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishingD
A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver
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