單項選擇題A rope ladder with wooden rungs is a（）.

A.drop ladder
B.life ladder
C.Jacob's ladder
D.jury ladder


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題A new liferaft has been installed on your vessel. The operating cord should be（）.

A.attached to the raft stowage cradle or to a secure object nearby with a weak link
B.checked to see that it's unattached
C.coiled neatly on the raft container
D.faked on deck and lead through a chock

2.單項選擇題A long splice in a line（）.

A.is used in running rigging
B.doubles the size of the line
C.is only used on fiber rope
D.is very weak

3.單項選擇題A hook that will release quickly is a（）.

A.longshore hook
B.margin hook
C.marginal hook
D.pelican hook

4.單項選擇題A figure eight knot is used to（）.

A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave

5.單項選擇題A fiber rope can be ruined by dampness because it may（）.

A.rot
B.shrink
C.stretch
D.unlay