航海英语【二三副甲类】题库

单选题 1分

When may the automatic identification system(AIS) be switched off?

  • A.At anytime as long as it is properly logged
  • B.At the Master's professional judgment
  • C.Only when the vessel is at anchor or in port
  • D.Under no circumstance
进入题库练习

你可能感兴趣的试题

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
千题库百度小程序 百度扫一扫练题
千题库公众号二维码 关注千题库公众号

航海英语【二三副甲类】-题库

下载App
进入题库

相关试卷

专项训练一
专项训练二
专项训练三
专项训练四