NCCER/OSHA Scaffold SG Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which of the following is NOT a component used to support a scaffold?

Base plates

Cross bracing

Shoulders

The correct answer is C, as shoulders are not a recognized component in scaffold construction. Scaffolds typically consist of specific structural elements designed to ensure stability, safety, and support for workers and materials.

Base plates are essential as they distribute the load of the scaffold to the ground and provide a stable foundation. Cross bracing is crucial for providing lateral stability and preventing swaying or collapsing of the scaffold structure. Ledger boards serve as horizontal supports that connect vertical posts and help to create levels on the scaffold, adding to its overall strength and structural integrity.

In contrast, shoulders do not play a recognized role in scaffold support or structural formation. The components of a scaffold must adhere to safety standards and established guidelines, and shoulders do not fit into this framework, making them the correct choice as a non-component used in scaffolding.

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Ledger boards

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