航海英语【二三副甲类】题库

单选题 1分

According to the medical and physical standards for seafarers, whose one eye's distance vision aided...

According to the medical and physical standards for seafarers, whose one eye's distance vision aided is not less than 0.5?
  • A.master and chief engineer
  • B.master and deck officers
  • C.chief engineer and engine officers
  • D.ratings, bosun and commissar
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1 单选题 1分
In IALA Region B，a red triangular daymark marks ______.
  • A.the centerline of a navigable channel
  • B.the starboard side of a channel
  • C.a prominent object of navigational interest that has no lateral significance
  • D.an area of a channel where passing another vessel is permitted
2 单选题 1分
The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is ___.
  • A.Whether radio communications that are available
  • B.maximum speed of your vessel
  • C.temperature
  • D.current
3 单选题 1分
The port at which crew or passengers get on board the ship is called ______．
  • A.port of call
  • B.port of embarkation
  • C.port of destination
  • D.port of disembarkation
4 单选题 1分
The 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
5 单选题 1分
A hygrometer is a device used for determining ______.
  • A.the absolute temperature
  • B.atmospheric pressure
  • C.wind velocity
  • D.relative humidity
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航海英语【二三副甲类】-题库

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