Vessel towing with the current shall（）tow more than two boats and they must be towed alongside.

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• During the day，a vessel with a tow over 200 meters in length will show（）.

  A . a black ball B . a diamond shape C . two cones，apexes together D . one cone，apex upward

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• An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.

  A . yellow lights at each end B . two red lights in a vertical line C . a black ball D . a diamond shape

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• 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 signal B . A prolonged blast at intervals never to exceed more than two minutes C . A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes D . A prolonged blast followed by three short blasts at intervals never to exceed more than one minute

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• A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.

  A . towing vessel is less than 50 meters B . towing vessel is greater than 50 meters C . tow is less than 200 meters D . tow is greater than 200 meter

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• 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 strain B . catenary length C . being in step D . Williamson's Tow

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• The term BOLLARD PULL refers to a towing vessel’s（）.

  A . propulsion horsepower available B . pulling ability at cruise power C . towing winch capability D . pulling ability under static conditio

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• If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.

  A . change course B . slow down C . heave to D . adjust tow line length

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• A vessel towing where the tow prevents her from changing course shall carry（）.

  A . only the lights for a vessel towing B . only the lights for a vessel restricted in her ability to maneuver C . the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver D . the lights for a towing vessel and the lights for a vessel not under command

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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 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

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• A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.

  A . two balls in a vertical line B . a diamond shape where it can best be seen C . a ball on each end of the tow D . no dayshape

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• A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）

  A . Length of the towline B . Height of the towline connection C . Longitudinal position of the towline connection D . Direction of opposing force

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• 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 first B . the vessel towed should slip first C . they should slip simultaneously D . either vessel may slip first

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• A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.

  A . a Coast Guard inspector B . a registered professional engineer C . the owner or Master of the vessel D . a licensed electricia

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• 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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• A vessel brought alongside should be fended off the towing vessel by（）.

  A . crew members using their arms B . crew members using the strong muscles of their legs C . fenders D . No fending is necessary due to the rugged construction of most towing vessel

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• 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

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• A vessel towing a barge astern would show，at the stern（）.

  A . only a stern light B . a towing light above the stern light C . two towing lights in a vertical line D . two white lights in a vertical line

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• 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 vessel B . the lights for a vessel restricted in her ability to maneuver C . sidelights，stern light，and towing light D . All of the above

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• A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.

  A . no fog signal B . one short blast C . one prolonged and three short blasts D . one prolonged，one short，and one prolonged blast

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• 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 reduce B . towing speed is improved C . the vessel is more visible from the tug D . the catenary of the tow line is reduced

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• 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 water B . The towing line should be taut at all times between the vessels C . There should be a catenary so the line dips into the water D . None of the above

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• Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.

  A . not exceed bare steerageway during the transit B . take a strain as soon as you can to control the tow C . come up to speed very slowly and maintain a safe speed D . come up to speed quickly，then cut back power considerably to ease the strai

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• The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.

  A . a test from the alternative power supply，if installed B . timing the movement of the rudder from hard over to hard over C . verification that the rudder angle indicator shows the actual position of the rudder(s) D . visual inspection of the steering linkage

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• 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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