A.is used mostly by towing vessels
B.has a maximum depth of 14 feet (4.3 meters) at MHW
C.West Gap has a controlling depth of 24 feet
D.is entered through the East Gap or the West Gap
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A.installing rat guards on the mooring lines when in port
B.keeping foods protected and avoiding the accumulation of garbage
C.eliminating possible living spaces for rats when the ship is constructed
D.trapping and/or poisoning the rats
A.Greenish
B.Bluish
C.Grey
D.Grey-white
A.around the rudder and screws
B.completely around the vessel
C.to leeward of the vessel
D.to windward of the vessel
A.11 seconds
B.15 seconds
C.20 seconds
D.22 seconds
A.gear extending from the side or stern
B.gear that restricts maneuverability
C.less than 50 percent trolling lines
D.None of the above
最新試題
Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）
The main reason a long towline is used during an oceantow is that（）.
The distance between rivets in a row is known as the（）.
Which is TRUE of a stiff vessel? （）
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
The pitch of a propeller is a measure of the（）.
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
Which statement about stopping a vessel is TRUE?（）