When force of winds reaches 10-11 in Beaufort scale，we usually call such wind ______．

试卷相关题目

• 1When completed their duty, pilots want the master of the vessel to fill in ______．

  A.their yellow books

  B.their pilotage forms

  C.their identification cards

  D.their pilotage licenses

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• 2What kind of conditions would you observe as the eye of a storm passes over your ship's position、

  A.Huge waves approaching from all directions,clearing skies,light winds,and an extremely low barometer

  B.Flat calm seas,heavy rain,light winds,and an extremely low barometer

  C.Flat calm seas,heavy rain,light winds,and high pressure

  D.Huge waves approaching from all directions,clearing skies,light winds,and high pressure

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• 3The Routing System which aimed at reducing the risk of casualties is called as ______．

  A.Traffic Separation Schemes

  B.Recommended tracks

  C.Precautionary areas

  D.Inshore traffic zones

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• 4The actual amount of cargo loaded depends upon ______．

  A.the broken stowage listed

  B.the broken stowage calculated

  C.the broken stowage given

  D.the actual broken stowage

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• 5Stop ______ the derrick at once，the gooseneck is bent．

  A.to use

  B.to operate

  C.maneuvering

  D.using

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• 6Which of the following is a characteristic of a Ro-Ro vessel、

  A.Passenger tours available upon docking

  B.Long port stays necessary to secure vehicles

  C.Short in port turnaround times

  D.Heavy vehicles only require lightweight securing equipment

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• 7After a cold front passes,the barometric pressure ______．

  A.drops,and the temperature drops

  B.drops,and the temperature rises

  C.rises,and the temperature drops

  D.rises,and the temperature rises

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• 8On a vessel with a single propeller,transverse force has the most effect on the vessel when the engine is put ______．

  A.full ahead

  B.full astern

  C.half ahead

  D.slow astern

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• 9A Doppler log in the bottom return mode indicates the ______．

  A.velocity of the current

  B.bottom characteristics

  C.depth of the water

  D.speed over the ground

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• 10On a ship，a door that is required to be marked KEEP CLOSED is designed to ______．

  A.prevent the passage of flammable gases

  B.prevent the passage of poisonous vapors

  C.delay the spread of heat and flames

  D.maintain watertight integrity

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