单项选择题
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
相关考题
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单项选择题
Where the master has not disclosed to the suppliers of necessaries that under an existing time-charter the Charterer is liable for the particular disbursements in question，（）will be liable to such suppliers to that extent.
A.The master
B.The Charterer
C.The Shipowner
D.The cargo owner -
单项选择题
Where advance freight is agreed upon，payment does not depend on delivery and must be made （）the ship is lost and the cargo never delivered.
A.Unless
B.When
C.Because
D.Even though -
单项选择题
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
