A.fasten the bitter ends to the mooring line with half hitches
B.twist the ends together and hold them in the direction of the pull
C.twist the ends together and hold them in the direction opposite to the pull
D.twist the ends together and hold them at right angles to the mooring line
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A.maximum working pressure
B.bursting pressure
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A.handling of cargo cases
B.hanging oilskins
C.sewing canvas
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A.6 inches in diameter and 19 fathoms long
B.6 inches in circumference with 19 strands
C.6 strands with 19 wires in each strand
D.19 strands with 6 wires in each strand
A.12 strands and a two-inch diameter
B.12 strands and a two-inch circumference
C.6 strands and a two-inch diameter
D.6 strands and a two-inch circumference
最新試題
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
The size of wire rope is determined by the（）.
The purpose of a devil’s claw is to（）.
A whipping on a fiber line（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.
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The standing part of a tackle is（）.
Chafing gear is used to（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
At the instant when a string of casing being run from a ship is landed in the well head,（）.