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
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（）.
The pitch of a propeller is a measure of the（）.
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
Which is TRUE of a stiff vessel? （）
The time required to incline from bow down to stern down and return to bow down again is called（）.
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
The forward movement of a ship in one revolution of its propeller is measured by（）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
Which statement is TRUE concerning hawser towing? （）