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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 tow
B.towing on a hawser
C.towing alongside and parallel to the vessel it is towing
D.towing on the hip
参考答案
更多 “ 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 ” 相关考题
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The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the __ of operation when notified that the ship is in congested waters.A.manual modeB.automatic modeC.remote modeD.follow-up mode
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Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT ______.A.the towing hawser can be released quickly in an emergencyB.the correct navigation lights are rigged and operable on the tug and towC.an insurance underwriter has prepared a pre-sailing surveyD.a pick-up wire has been rigged on the tow in case of a breakaway.
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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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______ cover loss of or damage to the subject-matter insured caused by perils of the seas rivers lakes or other navigable waters．A.INSTITUTE TIME CLAUSES-HullsB.INSTITUTE MARINE CARGO CLAUSESC.P&I Clubs Terms and ConditionsD.York-Antwerp Rules 1974
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The use of an anchor to assist in turning in restricted waters is ______．A.A last resortB.Good seamanshipC.The sign of a novice shiphandlerD.To be used only with a single-screw vessel
考题
单选题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
单选题A tug is “in irons” when held in a fixed position by（）A
the weight of its tow，its being anchored，or groundedB
the weight of its towing hawser on the bottomC
an adverse currentD
lack of power or an engine breakdown
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The catenary（）.A
acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the towB
gives an approximation of the amount of strain on the towing hawserC
is the dip in the towing hawser between the tug and the towD
All of the above
考题
单选题How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）A
The further forward and closer to amidships the more readily the tug will tripB
Placement further aft permits more effective pulling，better steering and eliminates the danger of trippingC
Installing the bitts down low lowers the center of gravityD
The height and position of towing bitts has no significance
考题
单选题Fire protection regulations apply to those towing vessels（）.A
used only for pollution responseB
owned and operated by the US governmentC
used only within a barge fleeting areaD
used only on inland waters
考题
单选题An advantage of the Christmas Tree towing method is to（）.A
increase the towing hawser's catenary and provide more springB
reduce catenary，allow operation in shallower water，and to release one barge without breaking up the entire towC
enable one tug and its crew without any outside assistance to make up or break down the towD
provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills
考题
单选题The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the （） of operation when notified that the ship is in congested waters.A
manual modeB
automatic modeC
remote modeD
follow-up mode
考题
单选题Which statement is TRUE concerning hawser towing? （）A
The catenary in a hawser should be sufficient so that the hawser just touches the bottomB
The hawser is of sufficient length for towing when taut between tug and towC
Increasing speed usually increases the catenary in the hawserD
Shortening the tow hawser generally decreases the maneuverability of the tug
考题
单选题A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.A
no fog signalB
one short blastC
one prolonged and three short blastsD
one prolonged，one short，and one prolonged blast
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 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To clean a dirty fiber towing hawser used in ocean towing，you should（）.A
use lye or other mild detergentB
wash it with fresh water，dry and store itC
wash it with salt waterD
use cleaning fluid on nylon，dacron and other synthetic lines
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
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