A.Greenish
B.Bluish
C.Grey
D.Grey-white
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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
A.The faying surfaces are coated with white lead (or similar product) before the rivets are set
B.A sealing weld bead of 1/8 or less pitch is run along the plate edge
C.The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate
D.A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets
A.vessel includes seaplanes
B.seaplane includes non-displacement craft
C.vessel engaged in fishing includes a vessel fishing with trolling lines
D.vessel restricted in her ability to maneuver includes fishing vessels
最新試題
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）
Which statement is TRUE of a stiff vessel? （）
When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）
That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the（）.
The main reason a long towline is used during an oceantow is that（）.