Galvanizing would be suitable for protecting wire rope which is used for ______．

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• 1The distance between the surface of the water and the tidal datum is the _______．

  A.height of tide

  B.charted depth

  C.actual water depth

  D.range of tide

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• 2GM cannot be used as an indicator of stability at all angles of inclination because ______．

  A.M is not fixed at large angles

  B.there is no M at large angles

  C.G is not fixed at large angles

  D.there is no G at large angles

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• 3The two most effective generating forces of surface ocean currents are ______．

  A.temperature and salinity differences in the water

  B.wind and density differences in the water

  C.water depth and underwater topography

  D.rotation of the Earth and continental interference

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• 4Keeping the draft at or below the load line mark will insure that the vessel has adequate ______．

  A.ballast

  B.reserve buoyancy

  C.displacement

  D.rolling periods

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• 5If the survival craft is not loaded to full capacity，the personnel should be ______．

  A.loaded more on the port side forward

  B.loaded equally on both sides with more forward

  C.loaded equally on both sides with more aft

  D.allowed to sit anywhere

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• 6You notice oil on the water near your vessel while taking on fuel．You should FIRST ______．

  A.stop fueling

  B.notify the senior deck officer

  C.notify the terminal superintendent

  D.determine whether your vessel is the source

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• 7For cargoes ______ grain meals，coal，ventilation is needed to prevent them ______ spontaneous combustion．

  A.i．e．／of

  B.for instance／away

  C.for example／off

  D.such as／from

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• 8When visibility is 10 nautical miles，we say that visibility is ______．

  A.very good

  B.good

  C.poor

  D.moderate

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• 9In writing up the log book at the end of your watch，you make an error．which of the following is the way to correct the error？______．

  A.Carefully and neatly erase the entry and rewrite it correctly

  B.Remove this page of the log book and rewrite all entries on a clean page

  C.Blot out the error completely and rewrite the entry correctly

  D.Cross out the error with a single line and rewrite the entry correctly

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• 10There is not ______ depth of water around the area centered at the lighthouse．

  A.ample

  B.sufficient

  C.enormous

  D.incredible

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