【Daily Question: Pump Equipment】True or False Question, June 8, 2019
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This post was last edited by 3983596_FPPZ on 2019-6-8 at 23:32. Rules for answering questions and managing the post: 1. If all answers to a question are incorrect, those who participate actively will receive 2 units of wealth as a reward; 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. In normal cavitation, cavitation always occurs first at the inlet of the first impeller in multi-stage centrifugal pumps ( ) ； 2. The finer the inlet pipe of a self-priming pump, the stronger its self-priming ability ( ). Answer: 1, Correct ； 2. Incorrect. On the second day of the college entrance exams, students keep pushing forward! ! !
1 Error: Standard cavitation occurs in the first-stage impeller, while backflow cavitation can occur on the blades as well as in the impeller behind the area affected by cavitation. 2 error
Question 1: Correct. Question 2: Incorrect