【Daily Question】Pump Equipment Technical Exchange Edition 20180110
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Participation: Prize 2 Wealth； Correct answer: Reward of 5 wealth points ； Note: A reward of 5 wealth points will be given for correct answers within 48 hours; this post is valid for 48 hours. Multiple-choice question: Under normal conditions, what has the greatest impact on the volumetric efficiency of a centrifugal pump? A. Axial clearance between the impeller and the pump casing B. Radial clearance at the junction between the impeller and the pump casing C. Radial clearance at the impeller inlet D. Leakage from the shaft seal Correct answer: C https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
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C. Radial clearance at the impeller inlet
Under normal conditions, the factor that has the greatest impact on the volumetric efficiency of a centrifugal pump is (C). A. Axial clearance between the impeller and the pump casing B. Radial clearance at the \"cutting edge\" area between the impeller and the pump casing C. Radial clearance at the impeller inlet D. Shaft seal leakage
C. Radial clearance at the impeller inlet
C. Radial clearance at the impeller inlet
A. Axial clearance between the impeller and the pump casing