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
Manila lines in which the strands are right-hand laid（）.
The standing part of a tackle is（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
A whipping is（）.
After deploying the anchor，a permanent chain chaser is（）.
The only wire rope termination which may be made in the field is（）.
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（）.
In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）.
The purpose of a devil’s claw is to（）.