A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period
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A.ballasting
B.deballasting
C.disconnecting
D.hanging off
A.direct pressure on the wound
B.elevating the wounded area
C.pressure on a pressure point
D.a tourniquet above the wound
A.angle that the propeller makes with a free stream of water
B.angle that the propeller makes with the surface of the water
C.number of feet per revolution the propeller is designed to advance in still water without slip
D.positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
A.a margin of safety is provided should the line part
B.the towline will wear more evenly
C.there will be less stress on the towline
D.a slight increase in speed will be realized
A.advance
B.head reach
C.pitch
D.transfer
最新試題
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
Which statement is TRUE of a stiff vessel? （）
Which is TRUE of a stiff vessel? （）
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.
The vertical movement of a vessel in the water is called（）.
The distance between rivets in a row is known as the（）.
When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）