what part of the crane is an incline spar, strut, or other long member supporting the hoisting tackle?

The part of the crane described as “an inclined spar, strut, or other long member supporting the hoisting tackle” is the boom.

Quick Scoop

• The boom is the long, angled structural member that reaches out from the crane’s upper structure. It supports the hoisting tackle (blocks, hook, and load line) during lifting operations.

• In many definitions for cranes and derricks, “boom” is explicitly defined as an inclined spar or strut supporting the hoisting tackle, which is why it is the correct term for this question.

Answer: Boom.

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