On a long ocean tow，the bridle should be made up of two equal lengths of（）.

相似题目

• Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?（）

  A . There shall be at least 3 ventilator ducts open to the atmosphere B . At least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilge C . At least one intake duct shall extend from the open atmosphere to the lower portion of the bilge D . Only vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartment

  查看最佳答案

• How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）

  A . 6 months B . 1 year C . 3 years D . Until the next inspection for certificatio

  查看最佳答案

• A bridle for an ocean tow consists of（）.

  A . two chains of equal length B . a single nylon pendant rove through a heavy ring free to move on the pendant C . two long legs of wire rope shackled to a fishplate D . a single length of heavy chain with both ends secured on deck to welded pad eye

  查看最佳答案

• 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

  查看最佳答案

• 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

  查看最佳答案

• To clean a dirty fiber towing hawser used in ocean towing，you should（）.

  A . use lye or other mild detergent B . wash it with fresh water，dry and store it C . wash it with salt water D . use cleaning fluid on nylon，dacron and other synthetic line

  查看最佳答案

• What is NOT suitable for use in making up the towing rig for a heavy，long ocean tow?（）

  A . Chain B . Ring C . Solid thimble D . A fishplate

  查看最佳答案

• It is good practice to use long towlines for ocean tows because the（）.

  A . wear on the towline is equalized B . weight of the towline increases the towing force C . dip in the towline absorbs shock loads D . danger of overriding is reduced

  查看最佳答案

• 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

  查看最佳答案

• 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

  查看最佳答案

• A tow that veers to the side on the end of the towline is said to（）.

  A . yaw B . surge C . sway D . swing

  查看最佳答案

• Our ship has not been to shipyard for a long time, the fouling on the ship’s hull greatly decreases her（）.

  A . resistance B . weight C . speed D . displacement

  查看最佳答案

• 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

  查看最佳答案

• 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

  查看最佳答案

• When towing，what is the main reason for using a chain bridle on a wire hawser（）.

  A . It makes for an easy connection B . It gives a spring effect to cushion the shock C . It eliminates the necessity of a swivel D . It does not chafe

  查看最佳答案

• A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.

  A . trim the tow by the bow B . trim the tow by the stern C . list the tow to windward D . adjust the length of the towing bridle

  查看最佳答案

• When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.

  A . eddies under the bar B . swift current under the bar causing loss of control C . cross-currents pushing the tow away from the bar D . cross-currents pushing the tow into the bar

  查看最佳答案

• 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

  查看最佳答案

• 17. It’s the money that ________ these fishermen to risk a long ocean journey.

  查看最佳答案

• Questions 22～25 are based on a conversation at the airport.<br/>What's the airport like?<br/>[A] A hotel. <br/>[B] A market.<br/>[C] A madhouse. <br/>[D] A hospital.

  查看最佳答案

• Carton is easily damp and vulnerable to the long ocean shipment.

  查看最佳答案

• You should check the air in the tyre______you start on a long automobile trip.

  A．as B．before C．so D．so that

  查看最佳答案

• The author thinks that writers on management for a long time regard intuition as______.

  A．something that most managers rely heavily on B．the most important factor in decision making C．an irrational way of thinking to solve problems D．a result of poor grasp of management skills

  查看最佳答案

• A trader takes a long position in 40 futures contracts on Day 1. The futures have a daily price limit of $5 and closes with a settlement price of $106. On Day 2, the futures trade at $111 and the bid

  A．$200. B．$280. C．$320.

  查看最佳答案