A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
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A.active weather disturbances such as hurricanes or tropical storms
B.the latest navigational warnings
C.scheduled vessel arrivals and departures for a 24-hour period
D.water levels at river ports where run-off affects tidal heights
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
A.fish trap area
B.pipeline
C.demarcation line
D.cable area
A.cloud movement
B.vessel heading
C.waves
D.swells
A.extremely cold air from shore passes over warmer water
B.warm dry air from shore passes over cooler water
C.cold ocean water evaporates into warm air
D.cool rain passes through a warm air mass
最新試題
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
Weekly NMs are available without subscription from appointed（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.
Navigational warnings are published according to（）.
The Daily Memorandum contains information on（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
The range of a light on Admiralty Charts is normally the（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.