【Daily Question】June 7, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers

Thread Content

To increase the popularity of the chemical analysis section, a \"Question of the Day\" activity has been launched. This activity aims to foster an active atmosphere for technical exchanges while also providing users with financial rewards. 【Question of the Day】 (Single-choice question): Which of the following is the correct way to handle high-pressure gas cylinders? ( ) A. Hit the valve with iron tools if it won’t open. B. Use gas cylinders whose inspection deadline has passed. C. Heat the valve with fire when it freezes in winter. D. Regularly inspect the gas cylinders, pressure gauges, and safety valves. Correct answer: D. Reply with your answer; you will receive 2 points for participating in the quiz. An additional 3–8 points will be given if you answer all questions correctly. Those who provide thorough analyses or explanations for the questions (including detailed calculation processes) will receive extra rewards. If your answer is correct and your analysis is accurate, it will be marked as the best reply. Feel free to answer the questions