Air Force Crane Course Practice Test

LAY refers to what when considering wire ropes?

The direction of the twist of the wires in a strand The overall length of the rope The number of strands in the rope The material the rope is made from

Correct Answer:

The direction of the twist of the wires in a strand

Explanation:

Lay is the direction in which the wires are twisted to form a strand. In a wire rope, strands are made by twisting multiple wires together, and the way those wires wrap within each strand sets the strand’s lay. This direction (often described as left-hand or right-hand) influences how the rope flexes, wears, and behaves under load, and it’s a key factor when selecting rope for a given application. The other aspects listed—how long the rope is, how many strands it has, or what material it’s made from—describe other rope characteristics, not the lay.

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