單項選擇題As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right. Which type of line is this?（）

A.Right-hand laid
B.Cable-laid
C.Sennet-laid
D.Water-laid


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題An oxygen indicator can be used to determine if there is（）.

A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hydrogen gas present
D.All of the above

2.單項選擇題An on-load release system on a survival craft means the cable can be released（）.

A.only when the load is taken off the cable
B.only when there is a load on the cable
C.only when activated by the controls at the lowering station
D.at any time

3.單項選擇題An effective braking system for windlasses on rigs in deep water is a(n)（）.

A.larger chain stopper
B.disc backstopping brake
C.hydraulic clutch
D.electrical regenerative braking system

4.單項選擇題A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.

A.filling completely
B.developing free surface
C.developing free surface moment
D.collapsing

5.單項選擇題A tackle is two blocked when the blocks are（）.

A.equally sharing the load
B.jammed together
C.as far apart as possible
D.rove to the highest mechanical advantage