A.short splice
B.long splice
C.back splice
D.spindle splice
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A.boat fall
B.fairlead
C.riding pawl
D.topping lift
A.block used only with manila rope
B.chock roller
C.hinged block
D.strong block used for short，sharp pulls
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
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（）.
Back-up wires on a towed vessel provide（）.
Compared to manila line，size for size，nylon line（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
After deploying the anchor，a permanent chain chaser is（）.
The size of wire rope is determined by the（）.
The purpose of a devil’s claw is to（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
Limit switches on gravity davits should be tested by（）.