【Daily Question: Pump Equipment】Multiple-choice Question 2018.11.28

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The last edit to this post was made by 3983596_FPPZ on 2018-11-28 at 08:20; the file bg16.jpg was edited. Rules for multiple-choice questions: 1. If the answer to each question is incorrect, participants will still receive a reward of 2 wealth points； 2. A correct answer rewards 6 wealth points ； 3. Rewards for answers are available once per person only ； 4. Each reply allows for one management rating only ； 5. The answer and its explanation will be visible after responding ； 6. The reward is valid for 48 hours. Again, awards for academic achievements! Come by here every day. When selecting a pump, which of the following conditions must be met? (Multiple choice) A. The pump’s NPSHR must be less than the system’s NPSHA. B. The flow rate must meet the required values. C. The outlet pressure must meet the required values. D. The motor power must not be overloaded. E. The material in contact with the medium must be resistant to corrosion by that medium. Answer: ABCDE. For more information on NPSH, see https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=2136578. Flow rate and outlet pressure are operational parameters that must be satisfied; the selected motor power must not cause overloading, and the material used must be corrosion-resistant. The answer is ABCDE