【Test Your Knowledge】Basic Chemical Engineering Knowledge (229) Please hide your replies

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This post was last edited by hgjoys on 2009-11-4 00:17. In accordance with the forum’s guidelines, 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, while additional points of 4–6 wealth are given as encouragement for participation. Determine right or wrong (format for answering: Wrong Right Wrong Right Wrong Right Right Wrong Wrong) 1. The double-membrane theory is currently used for absorption calculations. 2. The flooding in a packed tower is influenced not only by the liquid-to-gas ratio but also by the properties of the packing, among other factors. 3. The dry and wet bulb temperatures of air, as well as the dew point temperature, are never equal under any circumstances. 4. A catalyst is a substance that can alter the rate of a chemical reaction, and its own composition, mass, and chemical properties may also change before and after the reaction. 5. Generally speaking, the thicker the steel plate, the better its tensile strength. 6. For any area prone to corrosion, stainless steel will do. 7. The size and number of safety valves on pressure vessels must be selected according to certain rules. 8. When performing engineering calculations, the units of physical quantities do not necessarily have to be in the International System of Units. 9. The “Five Loves” are the basic requirements of socialist professional ethics. 10. Although migrant workers are not permanent employees of the company, they must receive three levels of safety training before starting work at the factory. Reference answer: Right Right Wrong Wrong Wrong Wrong Right Right Right Right. 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 post on [Test Your Knowledge] to claim their prizes (click the link)!