NV B General Building Practice Questions - Nevada B General Building Contractor Examination Exam

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Per OSHA 1926 Subpart P, a protective system (sloping, benching, shoring, or a shield) is generally required for a trench that is how deep, unless the excavation is made entirely in stable rock?

4 feet 5 feet 6 feet 8 feet

Correct Answer:

5 feet

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