【Pump Technology Edition: Daily Question】March 17, 2020 (Section benefit: 10 Wealth points as a reward for answering correctly before the answers are revealed)

Thread Content

136. The fit clearance of rolling bearings is always (? ) the original clearance. A. Greater than B. Less than C. Equal to. The answer to question 135 on March 16, 2020 is B. The side clearance of the ellipse shaft bearing should be (B) a top clearance. A. Greater than B. Equal to? C. Less than. Answer to question 134 on December 15, 2020: B. When a high-temperature pump is tested under high-temperature conditions, the temperature rise of its pump body during preheating per hour shall not exceed (B). A. 30°C? B. 50°C?? C. 65°C? Answer to question 133 on March 12, 2020: B. When a reciprocating pump is tested, it should operate without load (with the outlet valve fully open) for at least (B). A. 5 minutes B. 15 minutes?? C. 10 minutes? (Answers are released the day before they are made public; those who get the answer right before release receive 10 wealth points, those who get it right after release receive 5 wealth points, and those who participate receive 3 wealth points.) I’ve been a bit busy lately, so I’m taking some time to post questions and provide feedback on answers. But no matter how busy or late it gets, I will still post questions and respond to everyone. Thank you all for your continued support!