A.pitch
B.sway
C.heave
D.roll
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A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period
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
最新試題
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
Which statement about stopping a vessel is TRUE?（）
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 vertical movement of a vessel in the water is called（）.
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
Which is TRUE of a stiff vessel? （）
Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color? （）