单项选择题

A cargo hose is marked with the（）.

A.maximum working pressure
B.bursting pressure
C.safety relief valve setting
D.maximum temperature

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单项选择题

A bench hook is used for（）.

A.handling of cargo cases
B.hanging oilskins
C.sewing canvas
D.splicing small stuff

单项选择题

A 6x19 wire rope would be（）.

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

单项选择题

A 6x12，two-inch wire rope has（）.

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