A.block used only with manila rope
B.chock roller
C.hinged block
D.strong block used for short，sharp pulls
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A.batten
B.bench hook
C.awl
D.fid
A.decreases the size of the line
B.should be used if the line is going through a block
C.should only be used in wire rope
D.doubles the size of the line
A.hoisting a windsail
B.parcelling
C.sewing canvas
D.testing canvas
A.make a temporary eye
B.mouse a hook
C.secure a line around a spar
D.shorten a line
A.transfer a pennant wire to the anchor handling vessel
B.clean chain as it is hauled into the rig
C.lower spring buoys into the water
D.retrieve an anchor after the buoy has been lost
最新試題
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.
A whipping is（）.
Herringbone is a term associated with（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The standing part of a tackle is（）.
The main function of the core of a wire rope is to（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.
Manila slings should not be used to load（）.