A.at anchor
B.being towed
C.aground
D.drilling
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A.When the towing vessel enters the fog
B.When the drilling rig enters the fog
C.When the towing vessel can no longer be seen from the rig
D.Immediately
A.under tow
B.fixed to the seabed
C.underway
D.All of the above
A.destination
B.answer
C.time
D.ending
A.The motion of the apparent sun is along the ecliptic
B.Measurement of time is along the celestial equator
C.The speed of the Earth's revolution is not constant
D.There are variations in the Earth's rotational speed
A.Mine Safety Appliance Association
B.American Chemical Society
C.Marine Chemists Association
D.National Fire Protection Association
最新試題
An orange flag showing a black circle and square is a（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
Admiralty EasyTide（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
The latest known details of lights are given in（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
Of the following，（）is not likely found in The Mariners Handbook.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
Light Lists for coastal waters are（）.