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
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
Mean high water is the average height of（）.
After launching，an inflatable raft should be kept dry inside by（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
The latest known details of lights are given in（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.