【Daily Question: Pump Equipment】Fill-in-the-blank question, June 21, 2019

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This post was last edited by 3983596_FPPZ on 2019-6-21 at 13:41. Rules for answering questions and managing the post: 1. If all answers to a question are incorrect, those who participate actively will receive 2 Wealth points; replies that are not answers will not be rewarded； 2. In the answer section, a correct answer earns 5 wealth points ； A reward of 8 wealth for all correct answers ； 3. Rewards for answers are available once per person only ； 4. Each reply allows for one management rating only ； 5. The answer and explanation will be visible after responding ； 6. The reply reward is valid for 48 hours. Studying* and winning awards again; come by here every day. 1. A double-cylinder, double-acting plunger pump with a cylinder diameter of 50 mm, a stroke length of 260 mm, and a plunger stroke frequency of 75 times per minute. Assuming no losses, what is the flow rate of this pump in L/min? 2. In a coastal area, there is an unsealed water tower used for domestic water supply; the vertical height of the water level in the tower is 22 meters, and the atmospheric pressure in that area is 101 KPa. What is the static water pressure at the bottom of the tower in KPa? (A) Answer: 1. (0.5^2/4)*3.14159*2.6*4*75=153.2 ； 2、1000*9.81*22/1000+101=316.8