单项选择题
In order to ensure that a RACON signal is displayed on the radar，you should（）.
A.increase the brilliance of the PPI scope
B.turn off the interference controls on the radar
C.use the maximum available range setting
D.increase the radar signal output
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相关考题
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单项选择题
In a crossing situation，the stand-on vessel should normally（）.
A.take action to cross ahead of the other vessel
B.take action to pass astern of the other vessel
C.maintain course and speed
D.change course and increase speed -
单项选择题
You may find the time of slack water after low water in a certain port from（）.
A.Deadweight Scale
B.Tide Tables
C.Notices to Mariners
D.Table of Azimuth -
单项选择题
The satellite system of GAMDSS comprise（）.
A.NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-system
B.Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-system
C.NAVTEX, Inmarast,EPIRBs and SART
D.Inmarsat, direct Printing Telegraphy
