A.Commandant of the Coast Guard
B.Owner of the unit
C.Nearest Coast Guard Marine Safety Office
D.Captain of the nearest port
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A.the centerline of a navigable channel
B.the starboard side of a channel
C.a prominent object of navigational interest that has no lateral significance
D.an area of a channel where passing another vessel is permitted
A.heavy rain within six hours
B.a decrease in wind velocity
C.a change in the present weather conditions
D.that fog will soon set in
A.Straight line
B.Arc
C.Parabola
D.Hyperbola
A.large GM
B.high center of gravity
C.excessive free surface
D.small GZ
A.In the lower level of the pumproom
B.In the middle level of the pumproom
C.In the upper level of the pumproom
D.On the deck outside the pumproom
最新試題
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
Mean high water is the average height of（）.
An inflatable liferaft is hand-launched by（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
Mariners not entering the port are（）to keep at least one mile off.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
Aboard a survival craft，ether can be used to（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.