航海英语【船长甲类】题库

单选题 1分

Which of the following statements is TRUE regarding automatic identification systems (AIS)?

  • A. AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications
  • B. AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only
  • C. A1S can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone
  • D. AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals
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1 单选题 1分
An anemometer on a moving vessel measures ______.
  • A. apparent wind speed only
  • B. true wind speed and true wind direction
  • C. true wind speed only
  • D. apparent wind speed and true wind direction
2 单选题 1分
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are ______.
  • A. accurate only in the polar regions
  • B. accurate electronic servomechanisms
  • C. hand operated
  • D. accurate only if the vessel is underway
4 单选题 1分
The common way to obtain your ships position is ______.
  • A. keeping a close watch and look-out
  • B. taking a radar range and bearing
  • C. observing a radar target and listening to signals
  • D. keeping a well clear caution
5 单选题 1分
______ is not a factor which will affect the accuracy of GPS receiver.
  • A. Detective availability
  • B. Local environmental conditions
  • C. Autonomous mode versus differential correction mode versus RTCM mode
  • D. The averaging of recorded locations
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航海英语【船长甲类】-题库

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相关试卷

第一章 航海图书资料
第二章 航海仪器
第三章 航海气象
第四章 船舶操纵
第五章 船舶避碰
第八章 国际海事公约
第九章 航运法规与业务
第十章 船舶安全管理
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