單項(xiàng)選擇題In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.

A.around the rudder and screws
B.completely around the vessel
C.to leeward of the vessel
D.to windward of the vessel


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1.單項(xiàng)選擇題If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）

A.11 seconds
B.15 seconds
C.20 seconds
D.22 seconds

2.單項(xiàng)選擇題If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.

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

3.單項(xiàng)選擇題How are riveted lap joints made watertight?（）

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

4.單項(xiàng)選擇題For the purpose of the Rules，except where otherwise required，the term（）.

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

5.單項(xiàng)選擇題FLOATING，CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines（）.

A.Floating
B.Sailing
C.Drifting
D.Running into danger