HAZWOPER > QUESTIONS & ANSWERS > HAZWOPER 40: Lesson 13 Quiz Graded A (All)

HAZWOPER 40: Lesson 13 Quiz Graded A

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HAZWOPER 40: Lesson 13 Quiz Graded A OSHA Standards prohibit excavation under sidewalks and pavement is prohibited unless an appropriately designed support system is provided or another effective m... ethod is used. ✔✔True What occurs when the body is deprived of oxygen? ✔✔Asphyxia In sewers and utility tunnels, where isolation is not possible, one should use written safety procedures that are approved and enforced by whom? ✔✔The employer OSHA requires that (blank) or other suitable means be used to prevent surface water from entering an excavation. ✔✔Diversion ditches A permit is (blank) when an emergency develops and/or an evacuation of the space is necessitated. ✔✔Cancelled OSHA requires adequate means of egress within (blank) feet of lateral travel when employees are required to be in trench excavations four feet deep or deeper. ✔✔25 The three main atmospheric hazards that cause concern are oxygen depletion, flammability, and (blank). ✔✔Toxicity Employers must have a permit program in place if a permit-required confined space is on-site. Before authorizing entry, the employer must do what? ✔✔ The chief hazard associated with excavations is: ✔✔Cave-ins Atmosphere can contain flammable or toxic gases, or be depleted of or enriched in oxygen. When a condition of IDLH (immediately dangerous of life and health) exists, what must be used? ✔✔Ventilation [Show More]

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