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
The range of a light on Admiralty Charts is normally the（）.
The height of a tide can be increased by（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
The Daily Memorandum contains information on（）.
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）