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There is a ______ when one or more vessels are towing or pushing another vessel or vessels，provided that they are all involved in commercial activities and not in a salvage operation．
A.private safety
B.private maritime adventure
C.common safety
D.common maritime adventure
参考答案
更多 “ There is a ______ when one or more vessels are towing or pushing another vessel or vessels，provided that they are all involved in commercial activities and not in a salvage operation．A.private safetyB.private maritime adventureC.common safetyD.common maritime adventure ” 相关考题
考题
A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and ______.A.one sidelight and the masthead light are visibleB.the vessels will pass closer than half a mileC.both vessels sound one prolonged blastD.both sidelights and masthead light(s) are visible
考题
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
考题
Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency．Drills include all of the following，EXCEPT ______．A.testing all alarm and detection systemsB.breaking out and using the vessel's emergency equipmentC.participation by selected crew membersD.one person putting on protective clothing，if the vessel is so equipped
考题
A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines ______.A.Towing operationsB.Rigid coupled towingC.Close coupled towingD.Hard coupled towing
考题
A vessel brought alongside should be fended off the towing vessel by ______.A.crew members using their armsB.crew members using the strong muscles of their legsC.fendersD.No fending is necessary due to the rugged construction of most towing vessels
考题
In which situation do the Rules require both vessels to change course ?______.A.Two power-driven vessels meeting head-onB.Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate actionC.Two sailing vessels crossing with the wind on the same sideD.All of the above
考题
In which case would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast? ______.A.When overtaking in restricted visibilityB.When overtaking in a narrow channelC.When overtaking on open watersD.When no other vessels are in the immediate area
考题
单选题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 aheadB
a power-driven vessel，not towingC
a barge being pushed aheadD
either answer A or answer B
考题
单选题The Rules state that vessels may depart from the Rules when（）.A
there are other vessels in the vicinityB
operating in a traffic separation schemeC
engaged in a situation involving more than two vesselsD
necessary to avoid immediate danger
考题
单选题The steering and sailing rules for vessels in restricted visibility apply to vessels（）.A
in sight of one another in fogB
navigating in or near an area of restricted visibilityC
only if they are showing special purpose lightsD
only if they have operational radar
考题
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.A
The vessel which has the other on her own starboard sideB
The vessel which has the other on her own port sideC
The one which hears the other's fog signal firstD
Neither vessel is the stand-on vessel
考题
单选题A stand-on vessel in a crossing situation is allowed to take action when （）.A
on a collision courseB
the vessels will pass within one mileC
it becomes apparent to her that the give-way vessel is not taking appropriate actionD
the relative speed of the vessels indicates collision in less than six minutes
考题
单选题Which statement is TRUE in an overtaking situation（）.A
One vessel is approaching another vessel from more than 20° abaft the beamB
It is the duty of the vessel being overtaken to get out of the wayC
Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vesselD
All of the above
考题
单选题Vessels shall be deemed to be in sight of one another only when one（）from the other.A
can be observed visuallyB
can be observed by radarC
can be located on the radarD
can be heard
考题
单选题A vessel brought alongside should be fended off the towing vessel by（）.A
crew members using their armsB
crew members using the strong muscles of their legsC
fendersD
No fending is necessary due to the rugged construction of most towing vessels
考题
单选题Power-driven vessels must keep out of the way of sailing vessels except（）.A
in a crossing situationB
when they are making more speed than the power-driven vesselC
when the sailing vessel is overtakingD
on the Inland Waters of the United States
考题
单选题If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.A
The towing line between the two vessels should be clear of the waterB
The towing line should be taut at all times between the vesselsC
There should be a catenary so the line dips into the waterD
None of the above
考题
单选题Which one of two crossing power-driven vessels has the right of way in a fog（）.A
Both vesselsB
Neither vesselC
The vessel on portsideD
The vessel on starboard side
考题
单选题A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines（）.A
Towing operationsB
Rigid coupled towingC
Close coupled towingD
Hard coupled towing
考题
单选题When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.A
a light signal of at least five short and rapid flashesB
one prolonged，one short，one prolonged，and one short whistle blastsC
four short whistle blastsD
two short whistle blasts
考题
单选题A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.A
remains fully obligedB
has no obligationC
is not necessarilyD
is exempted
考题
单选题The Rules state that risk of collision shall be deemed to exist（）．A
Whenever two vessels approach from opposite directionsB
If the bearing of an approaching vessel does not appreciably changeC
Whenever a vessel crosses ahead of the intended track of another vesselD
If one vessel approaches another so as to be overtaking
考题
单选题You intend to overtake a vessel in a narrow channel.As you approach the other vessel’s stern（）A
you will gain speedB
both vessels will gain speedC
the vessels will drift togetherD
the vessels will drift apart
考题
单选题The use of the danger signal（）.A
replaces directional signalsB
makes the other vessel the stand-on vesselC
indicates doubt as to another vessels actionsD
is the same as a MAYDAY signal
考题
单选题A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and （）.A
one sidelight and the masthead light are visibleB
the vessels will pass closer than half a mileC
both vessels sound one prolonged blastD
both sidelights and masthead light(s) are visible
考题
单选题When one of two vessels（）is required to keep out of the way the other must keep her course and speed.A
In sight of anotherB
Sights the anotherC
Not in sight of the otherD
In sight of one another
考题
单选题If you hear the firing of a gun at one minute intervals from another vessel，this indicates that（）.A
the gun is being used to sound passing signalsB
the vessel is in distressC
all vessels are to clear the areaD
all is clear and it is safe to pass
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