【Daily Question】Chemical Analysis Edition 2020.12.21

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This post was last edited by zjp on 2020-12-21 08:32. Multiple-choice question: Which of the following options is correct regarding the operation of high-pressure gas cylinders? A. Knocking on the valve with a metal object if it won’t open; B. Using gas cylinders whose inspection expiration date has passed; C. Using heat to thaw frozen valves in winter; D. Regularly checking the gas cylinders, pressure gauges, and safety valves. Answer: D

Reply #22020-12-21

D. Regularly inspect gas cylinders, pressure gauges, and safety valves

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【Daily Question】Chemical Analysis Edition 2020.12.21

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