单选

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.AIS 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
参考答案
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You are about to go to sea and adjust the magnetic compass.To expedite the adjustment at sea,in what order should the following dockside adjustments be made ________.

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  • A.Call sign and IMO number
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While you are at anchor,what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position ________.

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Which statement concerning GPS is TRUE ________.

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Which one of the followings does not limit the effective range of radar ________.

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  • 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

Which of the following statements is TRUE regarding crane operations ________.

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