航海英语【大副甲类】题库

单选题 1分

Tensile stress is a result of two forces acting in ______.

  • A.opposite directions along parallel lines
  • B.opposite directions on the same lines, tending to compress the object
  • C.the same direction alone parallel lines
  • D.opposite directions on the same lines, tending to pull the material apart
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2 单选题 1分
Holes in the bulkwark which allow deck water to drain into the sea are ______.
  • A. fidleys
  • B. doggers
  • C. swash ports
  • D. freeing ports
4 单选题 1分
Sailing in rough sea, if cargo moving in hold found, which of the following measures is correct?
  • A.Filling the ballast water to increase the stability
  • B.Deballasting the ballast water to reduce the stability
  • C.Re-ballast the movable cargo in hold
  • D.Adjusting the ballast water to reduce the list angle
5 单选题 1分
In towing, chocks are used to ______.
  • A.protect the towline from chafing
  • B.secure the end of the towline on the tug
  • C.stop off the towline while retrieving it
  • D.absorb shock loading on the towline
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航海英语【大副甲类】-题库

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