A.adjusting the hose supports
B.laying out an excess length of hose on deck
C.tying off the topping lifts and runners to winch heads
D.All of the above
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A.at its goose neck to such a extent
B.at it's goose neck to such an extent
C.at it's goose neck for such a extent
D.at its goose neck to such an extent
A.height
B.breadth
C.depth
D.length
A.lift
B.rise
C.elevate
D.hoist
A.Radial
B.Sheath-screw
C.Quadrantal
D.Gravity
A.Centrifugal
B.Gear
C.Piston
D.Vane
最新試題
The minimum length of a boat painter for a lifeboat in ocean service is（）.
You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
The main advantage and chief characteristic of a Steulchen boom is that it can be（）.
What danger is presented if a waterspout passes over a ship?（）
Which will cause a wire rope to fail（）.
The margin plate is the（）.
The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）