【Test Your Knowledge】Basic Chemical Engineering Knowledge (206) Please hide your replies

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This post was last edited by wqhhdiaodu on 2009-10-12 09:37. In accordance with the forum’s rules, the maximum score for this activity is 15 Wealth points; giving scores based on charm is prohibited. Friendship requests and duplicate ratings are also declined. To encourage active participation from members, full marks are given for all correct answers, while 10–12 wealth points are deducted for each incorrect answer. 2 mistakes result in 8–10 wealth points; the rest receive encouragement bonuses of 4–6 wealth points. 1. The flooding in a packed tower is influenced only by the liquid-to-gas ratio, and is unrelated to the properties of the packing, etc. 2. The dry-bulb temperature, wet-bulb temperature, and dew point temperature of air should always be different from each other under any circumstances. 3. A catalyst is a substance that can alter the rate of a chemical reaction, while its own composition, mass, and chemical properties remain unchanged before and after the reaction. 4. The thicker the steel plate, the better its tensile strength. 5. For any areas prone to corrosion, we just need to use stainless steel. 6. The size and number of safety valves on pressure vessels must be selected according to certain rules. 7. In engineering calculations, all physical quantity units must use SI units. 8. The Five Loves are the basic requirements of socialist professional ethics. 9. Migrant workers are not permanent contract employees of the company; therefore, there is no need to provide them with three-level safety training upon entering the factory. 10. When extinguishing fires involving cylinders of toxic gases, one should stand downwind and use gas protection equipment. No scoring is given in principle if it is not hidden. Thank you all! To hide the method, click here: Hide Method. Answer using the same IP; only the first post is valid. Also, be careful when posting – edits are invalid! To encourage independent thinking, those who answer all questions correctly are invited to go to the dedicated reward collection post in [Test Your Knowledge] to claim their prizes (click the link)! Answer to issue 206: Wrong Wrong Right Wrong Wrong Right Wrong Wrong