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

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• A towing light is（）.

  A . shown at the bow B . white in color C . shown in addition to the stern light D . an all-round light

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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 hi

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• A tow bridle is attached to the main tow hawser at the（）.

  A . bight ring B . tow hook C . fishplate D . swivel

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• A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the（）.

  A . steamer will drift stern downwind B . tug will drift faster than the steamer C . tug should approach stern to D . tug should approach from downwind

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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 fiber towing hawser is readied for service by（）.

  A . spooling it on a winch cathead B . coiling it in a counterclockwise direction on the fantail C . faking it on deck in a fore and aft direction D . spooling it on a reel lying on its side to prevent rolling

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• You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow，you should（）.

  A . reduce the draft of the barge B . shorten one leg of the bridle C . place bulky deck loads as far aft as possible D . trim the barge down by the bow

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• When towing in an open seaway，it is important to use a towing line（）.

  A . made only of wire rope，due to possible weather conditions B . that will have the tow on a crest while your vessel is in a trough C . that will have the tow on a crest while your vessel is on a crest D . with little dip to gain maximum control of the tow

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• Delay due to port congestion，pilots，tugs not available is a：（）

  A . Contingency； B . Emergency； C . A or B； D . not A nor B.

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• A tug would NOT assist a ship to steer if the tug is made up to the large vessel（）.

  A . by a tow line ahead of the vessel B . forward on either bow of the vessel C . approximately amidships of the vessel D . on the vessel's quarter

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• A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.

  A . from the ship's propeller when making up aft B . from being overrun if making up forward C . hull damage while alongside passing a hawser D . getting in a tripping positio

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• The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in（）.

  A . synchronism B . harmony C . check D . ste

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• Take tug’s towing line to（）.

  A . captain B . capstan C . capital D . carpenter

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• A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the（）.

  A . port and starboard strings B . outer strings C . drag strings D . side string

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• 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 trip B . Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping C . Installing the bitts down low lowers the center of gravity D . The height and position of towing bitts has no significance

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• A tug is “in irons” when held in a fixed position by（）

  A . the weight of its tow，its being anchored，or grounded B . the weight of its towing hawser on the bottom C . an adverse current D . lack of power or an engine breakdow

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• You are under sail and overtaking a tug and tow.Which action is correct（）.

  A . The power-driven tug must maneuver to avoid collision B . You must maneuver to avoid the tug and tow C . You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port side D . Both vessels are required to maneuver to avoid collisio

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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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• The disadvantage of using three strand nylon line for towing is its（）.

  A . inherent weakness B . tendency to rot if left damp C . danger to crew if it parts D . strength and shock absorbing abilitie

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• The biggest problem you generally encounter while towing a single tow astern is（）.

  A . the catenary dragging on the bottom B . swamping of the tow C . the tow tending to dive D . yaw

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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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• A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the（）.

  A . main string B . push string C . power string D . face string

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• A towing vessel is tripped when（）.

  A . it is overtaken by the tow B . it is pulled sideways by the tow C . the weight of the towing hawser causes loss of maneuverability D . the propeller is fouled by the towing hawser

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