One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 515
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Multiple-choice question: In the chemical production process, during equipment maintenance, a safety work permit for working inside the equipment must be obtained, and the approval procedures must be strictly followed. Which of the following descriptions regarding work inside equipment is correct? A. Working in a pit does not constitute working inside equipment. B. When working inside equipment, the concentration of toxic gases inside must be analyzed at least every 3 hours. C. In humid or confined spaces, the lighting voltage inside the equipment is 36V. D. If personnel have to be withdrawn from a maintenance task due to an emergency and need to re-enter the site, additional approval is required. Answer: D. If personnel have to be withdrawn from a maintenance task due to an emergency and need to re-enter the site, additional approval is required
D. When personnel are withdrawn from a maintenance task due to unexpected circumstances and need to re-enter the site, re-approval is required
D. When personnel are withdrawn from a maintenance task due to unexpected circumstances and need to re-enter the site, re-approval is required
During chemical production processes, and when performing equipment maintenance, a safety work permit for working inside the equipment must be obtained, and the approval procedures must be strictly followed. The correct description regarding work inside equipment is (D). A. Working in a pit does not constitute working inside equipment. B. When working inside equipment, the concentration of toxic gases inside must be measured at least every 3 hours. C. In humid or confined spaces, the lighting voltage inside the equipment is 36V. D. If personnel have to leave the work site due to unexpected circumstances and need to re-enter it, additional approval is required
D.............
D. When personnel are withdrawn from a maintenance task due to unexpected circumstances and need to re-enter the site, re-approval is required
During chemical production processes, and when performing equipment maintenance, a safety work permit for working inside the equipment must be obtained, and the approval procedures must be strictly followed. The correct description regarding work inside equipment is (D). A. Working in a pit does not constitute working inside equipment. B. When working inside equipment, the concentration of toxic gases inside must be measured at least every 3 hours. C. In wet or confined spaces, the lighting voltage inside the equipment is 36V. D. If personnel have to leave a maintenance site due to an emergency and need to re-enter it, additional approval is required