OSHA > EXAM > OSHA 30 Construction Excavation 2023 – 2024 | A+ Rated Guide | Questions and Answers (Solved) (All)
OSHA 30 Construction Excavation 2023 – 2024 | A+ Rated Guide | Questions and Answers (Solved)
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1. when your trench is deeper than 4 feet and hazards may be present airmonitoring must be done before entry Answer: A. true 2. Excavation safety standards have introduced in 1989 Answer: A. true ... 3. To be classified as type a the soil cannot be Answer: E. all of the above 4. each of the following is a type b soil except Answer: D.sand 5. A soil are usually clays and cemented soilsuch as caliche and hardpan Answer: A.true 6. Which of the following are common soil classification tests Answer: E. all except c 7. the most important distinction between stable rock types is Answer: C. degree ofstability 8. the definition of type c 60 soil is provided by manufacturers to allow the competent person an opportunity to use vertical shores or other protectivesystems in accordance with tables provided by the manufacturer Answer: A. true [Show More]
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