單項選擇題Which channel and mode should be used when initiating a distress alert transmission().

A.Channel 6 DSC
B.Channel 6 Radiotelephony
C.Channel 13 Radiotelephony and channel 16 DSC
D.Channel 70 DSC


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3.單項選擇題What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert().

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

5.單項選擇題The port State control officer or the surveyor authorized by the port State Administration must be aware that()may be carried on product carriers.

A.category A substances
B.crude oil
C.certain“oil like”noxious liquid substances
D.category B,C and D substances