【Daily Question: Pump Equipment】Fill-in-the-blank question, 2019.2.19

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This post was last edited by foam_ZPTK on 2019-2-20 at 10:23. Rules for the bg2.png fill-in-the-blank questions: 1. If both blanks are answered incorrectly, +2 Wealth is awarded for active participation; if one blank is answered incorrectly and the other correctly, +5 Wealth is given; if both blanks are answered correctly, +8 Wealth is awarded. 2. If only one answer is provided, unless it is clear which question’s answer it is, a correct answer earns +5 wealth points, while an incorrect answer earns +2 wealth points; in all other cases, it is counted as active participation and awards +2 wealth points. 3. Rewards for answers are available once per person only. 4. Each reply allows scoring for only one person. 5. The answer and its explanation will be visible after responding. 6. The reward is valid for 48 hours; no reward will be given after that period. Again, awards for studying! Come by here every day. The parameters of a centrifugal pump are head H and flow rate Q. If two such pumps are used in parallel, then, without considering any changes in the characteristic curves of the pumps or in the system’s performance curve as a result of this parallel connection, the total head will be ( ), and the total flow rate will be ( ). Answers: H, 2Q. Wishing everyone a happy Lantern Festival! ! !