【Daily Question】July 15 – True or False questions on centrifugal pump knowledge (2 points for the first 80 participants, plus 3–8 points for correct answers...)

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This post was last edited by whthday on 2015-7-27 at 08:53. The Machinery Section has introduced the \"Question of the Day\" feature, which not only helps to foster an active atmosphere for technical discussions and guide the direction of such exchanges but also provides users with financial rewards, enabling them to experience various cool features. 【Daily Question】Which of the following statements is correct? ( ) A. A check bottom valve is installed at the end of the suction pipe of a centrifugal pump to prevent \"cavitation\". B. The phenomena of \"cavitation\" and \"air locking\" are the same, but their causes are different. C. The flow rate of a centrifugal pump can be adjusted by changing the opening degree of the outlet valve or the inlet valve. D. The allowable installation height can be lower than the level of the suction liquid. Answer: D Requirements and hints for answering the question: Reply with the answer you think is correct; if you provide a detailed explanation or analysis of the question or answer, you will receive an additional reward. Extra rewards will be given if your answer is correct and your explanation is thorough and accurate. Feel free to answer the questions. Please note: We will close this thread after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation. Do not submit answers repeatedly. As a reward for your effort, if you post a topic in this section within two days that provides a detailed explanation of the knowledge points covered in this question, please reply or leave a comment in this post to let us know; we will then ask a moderator to grant you + Charm. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights and opinions. After registration, we will rank participants based on the content of their posts: the last-place participant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score earning +5 charm. Call for weekly topics and daily questions (prizes for participation) [Mechanical Section] Collection of essential knowledge [Seeking manufacturer sponsorship] (long-term campaign) [Rewards for recommending valuable content] Summary of daily questions and answers related to mechanical equipment for 2015