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
Navigational warnings are published according to（）.
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 （）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Information for updating nautical charts is primarily found in the（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
Steam smoke will occur when（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.