A.The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same
B.NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound
C.The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W
D.Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter
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A.A barometer
B.An anemometer
C.A sling psychrometer
D.A pyrometer
A.Channel 6 DSC
B.Channel 6 Radiotelephony
C.Channel 13 Radiotelephony and channel 16 DSC
D.Channel 70 DSC
A.The master
B.The Charterer
C.The Shipowner
D.The cargo owner
A.Unless
B.When
C.Because
D.Even though
A.It will abort the transmission and set off an audible alarm that must be manually reset
B.It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation
C.It will initiate the DSC distress alert and default information will automatically be transmitted
D.It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
最新試題
The external flotation bladder of an immersion suit should be inflated（）.
The dumping of refuse in a lock is permitted（）.
In reaching a decision of detention，the port State control officer will have regard to （），making an allowance for fair wear and tear over the minimum acceptable scantlings.
The port State control officer will ensure that（）is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system.
（） may not justify detention.
The direction in which a vessel is steered is the course. The path actually followed is the （）.
Which instrument is most useful in forecasting fog（）.
Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.
The dew point is reached when the（）.
The fog is lifted，so（）the radar．