Assessment Test

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1. A "reaching" course is one in which the wind __________.


2. To get the best speed when tacking and using a mainsail and jib, the sails should be trimmed such that __________.


3. You are at the helm of a schooner-rigged sailing vessel under sail on the port tack, on a beam reach, with all appropriate sails set and properly trimmed. You are instructed to "bear off quickly". To utilize your sails to assist with the turn, you should __________.


4. You are sailing at 8 knots on a beam reach in an apparent wind of 25 knots. Which statement is TRUE?


5. Your sails are properly trimmed while on a reaching course. Changing to a close hauled course will __________.


6. The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.


7. The sails are properly set and trimmed. As a vessel heads up from a beam reach to close-hauled the __________.


8. In order to maintain speed while changing course from a close reach to a broad reach, the sails should be __________.


9. Which statement about sailing close-hauled is TRUE?


10. Your vessel is sailing on a port tack when a sudden gust of wind heels the vessel sharply to starboard. Which action will reduce the heeling of the vessel?


11. You are Master of a 20-ton ketch. You wish to heave-to on the starboard tack in 35 knots of wind. Which action would be appropriate?


12. You are running before a rough sea and a strong wind. Your sailing vessel is yawing. If the wind should catch the mainsail on the reverse side you will __________.


13. When must the owner or Master of a towing vessel retest a towline or remove it from service?


14. A towing hawser is readied for service by __________.


15. A tow astern is veering from side to side on its towline. The best way of controlling the action is to __________.


16. What could be used as fairleads on a towed vessel?


17. The term "bollard pull" refers to a towing vessel's __________.


18. When hip towing, a line led from the bow of the towing vessel aft to the vessel being towed would be a __________.


19. 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 __________.


20. 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 __________.


21. When barge headlogs do not meet or are not even with one another, the void or opening between them is called a __________.


22. Which factor(s) can affect the performance of a river towboat?


23. The biggest problem you generally encounter while towing a single tow astern is __________


24. A texas bar __________.


25. When your tug reduces speed to shorten tow, the __________.


26. A term used to describe the dip in a towline that acts as a shock absorber is __________.


27. Where is a surge line placed in the towing hookup?


28. Towing a structure using two tugs approximately side by side, each using one hawser, is referred to as a __________.


29. A bridle for an ocean tow consists of __________.


30. What is NOT an advantage of a wire towing hawser?


31. Where should the foundation supports for towing bitts terminate?


32. To lead the towing hawser over the center of the stern when not under a strain you could __________.


33. Tugs sometimes shackle a length of chain in the towline in order to __________.


34. A towing vessel is tripped when __________.


35. The condition of a towline must be monitored by _________.


36. Back-up wires on a towed vessel provide __________.


37. The catenary __________.


38. One reason a tug's towing bitts are located forward of the rudders is because __________.


39. When towing astern, increased catenary will __________.


40. Which statement is TRUE concerning hawser towing?


41. To obtain better steering control when you are towing alongside, your vessel should be positioned with its __________.


42. 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 __________.


43. When you have a tow alongside, your stern should extend aft of the tow in order to __________.


44. What will NOT reduce yawing of a tow?


45. To reduce stress on the towing hawser when towing astern (ocean tow), the hawser should be __________.


46. The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.


47. When tandem tug towing, the more powerful of the two tugs should be __________.


48. Why are stern towing bitts placed well forward of the rudder when hawser towing?


49. When towing in an open seaway, it is important to use a towing line __________.


50. In towing it is desirable for the tug and the tow to ride wave crests simultaneously because __________.


51. The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.


52. If the towing bridle legs are not of equal length __________.


53. Which factor(s) must you consider when making up a towing bridle?


54. The effect of excessive catenary in shallow water may be __________.


55. A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain __________.


56. With a large ocean tow in heavy weather, you should NOT __________.


57. What is NOT suitable for use in making up the towing rig for a heavy, long ocean tow?


58. A tow can override its tug as a result of __________.


59. With a large tow astern, there is immediate danger to the tug in the event of the __________.


60. What action should you take if your tow sinks in shallow water?


61. While towing, what is the principal danger in attempting to swing a barge on a short hawser in order to slow the barge's speed?


62. How do the height and location of a tug's towing bitts relate to the danger of tripping?


63. Which statement describes the motion of a yawing tow?


64. What is the effect of releasing the towline in a tripping situation?


65. Which effects listed below does NOT influence stability of a towing vessel?


66. In a storm, the windward lines of a MODU's mooring system provide __________.


67. The DEEP DRILLER is being towed at a 20 foot draft. Vessel motions are within acceptable limits, but the waves begin to hit the horizontal braces. You should __________.


68. When towing, a tow hook is used to __________.


69. The lead of a tow bridle is usually redirected with a __________.


70. Good seamanship while towing in heavy weather requires all of the following EXCEPT __________.


71. The Honolulu (Christmas tree) tow was devised to __________.


72. Under which condition is a tug likely to be tripped?


73. What does the term "end-for-end" refer to in regard to a wire towing hawser?


74. When maneuvering a heavy barge up a wide channel with a tug, the tow may be most closely controlled by making up to the barge __________.


75. A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is __________.


76. A towing vessel's capability is BEST measured by horsepower, maneuverability, displacement, and __________.


77. If the towline parts, you should __________.


78. What is used to prevent twisting of a towing bridle?


79. The biggest problem encountered when towing bridle legs are too short is __________.


80. The danger of a towing vessel tripping is increased the closer the towline is secured to __________.


81. When towing astern what equipment should be stowed ready for use near the towline?


82. A towing winch, that handles a wire towline, must have all of the following EXCEPT a _________.


83. To reduce the amount of catenary you may __________.


84. A survival craft being used to pick up a person who has fallen overboard from a MODU should approach the person __________.


85. Yawing can be described as __________.


86. The process of waiting a period of time before pretensioning an anchor is known as __________.


87. In observing rig motion while under tow, the period of roll is the time difference between __________.


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