Blocks are classified according to their number of sheaves as what?

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Multiple Choice

Blocks are classified according to their number of sheaves as what?

Explanation:
Blocks are classified by the number of sheaves they contain. A single-block has one sheave, a double-block has two, and a triple-block has three. This naming directly reflects how many pulleys are inside the block, which is the standard way to describe these rigs. While there are blocks with more than three sheaves for specialized setups, the common and widely used classifications are single, double, or triple, so that option matches how blocks are typically categorized.

Blocks are classified by the number of sheaves they contain. A single-block has one sheave, a double-block has two, and a triple-block has three. This naming directly reflects how many pulleys are inside the block, which is the standard way to describe these rigs. While there are blocks with more than three sheaves for specialized setups, the common and widely used classifications are single, double, or triple, so that option matches how blocks are typically categorized.

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