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

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• 1You 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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• 2Galvanizing would be suitable for protecting wire rope which is used for ______．

  A.cargo runners

  B.stays

  C.topping lifts

  D.All of the above

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• 3The 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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• 4GM 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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• 5The 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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• 6When visibility is 10 nautical miles，we say that visibility is ______．

  A.very good

  B.good

  C.poor

  D.moderate

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• 7In 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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• 8There is not ______ depth of water around the area centered at the lighthouse．

  A.ample

  B.sufficient

  C.enormous

  D.incredible

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• 9We ______ at anchor in the roadstead till the evening．

  A.have to ride

  B.have to get

  C.have to put

  D.have to make

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• 10It is sometimes necessary to moor bow and stern to two mooring buoys in order to ______．

  A.avoid any swing in a restricted space

  B.shelter the ship from strong winds

  C.prevent to touch with other vessels

  D.make a convenience of cargo discharging

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