【Daily Question】July 16 – On the efficiency of pumps and fans (First 80 participants get +2 points; an additional 3–8 points for correct answers...)

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This post was last edited by Cuicui Chang on 2015-7-17 at 11:01. The Machinery Section has introduced the \"Question of the Day\" feature, which aims to foster an active atmosphere for technical discussions and guide the direction of such exchanges. It also provides users with financial rewards, helping them experience various cool features. 【Daily Question】 The efficiency of pumps and fans refers to the ratio of their ____________ to shaft power. A. Prime mover power ； B. Active power ； C. Input power. Correct answer: B. Active power ； Requirements and tips for answering questions: Please reply with the answer you believe to be correct. If you provide a detailed explanation or analysis of the question or answer, an additional reward will be given. Extra rewards will be awarded if your answer is correct and your explanation is thorough and accurate. Feel free to answer the questions. Please note: We will close this post 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 by this question, please reply to this post or leave a comment to let us know, and we will have a moderator award 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. After registration, we will rank based on the content of the posts: the last-place contestant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score getting +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