One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 456
Thread Content
Multiple-choice question: During the process of creating negative pressure with a water ring pump, the reasons for low vacuum levels in such pumps are ( ). A. Leaks in the pipes of the inlet system； B. Clogged water inlet pipe ； C. Low water inflow, high water temperature ； D. The clearance between the impeller and the pump casing is too large. Answer: ABCD
During the process of creating negative pressure with a water ring pump, the reasons for low vacuum levels in such pumps are (A B C D). A: Leaks in the pipes of the inlet system； B. Clogged water inlet pipe ； C. Low water inflow, high water temperature ； D. The clearance between the impeller and the pump casing is too large.
During the process of creating negative pressure with a water ring pump, the reasons for low vacuum levels in such pumps (acd): A. Leaks in the pipes of the inlet system； C. Low water inflow, high water temperature ； D. The gap between the impeller and the pump casing is too large
During the process of creating negative pressure with a water ring pump, the reasons for low vacuum levels in such pumps are (A B C D). A: Leaks in the pipes of the inlet system； B. Clogged water inlet pipe ； C. Low water inflow, high water temperature ； D. The clearance between the impeller and the pump casing is too large.