Certified Arborist Practice Test 2025 - Free Arborist Practice Questions and Study Guide

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Which type of rope is not recommended for natural crotch rigging due to the risk of load imbalance?

Single-braid

Double-braid

Double-braid rope is not recommended for natural crotch rigging primarily because of its construction, which can lead to instability and load imbalance during rigging operations. Double-braid ropes consist of two layers: an inner core and an outer sheath. This structure can cause the rope to twist or rotate if loads are unevenly distributed, particularly when used with a natural crotch, where the line may shift or pivot around the crotch point.

In contrast, other types of rope, like static rope or single-braid, provide more stability in these scenarios. Static rope, for example, is designed to minimize stretching and is typically more suited for heavy loads, thereby reducing the risk of imbalance. Therefore, for natural crotch rigging applications, it is crucial to select ropes that maintain stability under load, making double-braid less suitable.

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Polyester

Static rope

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