December 2005
Engineering Case Histories
Case 30: One cause of a pump not pumping
A stronger pump can block out the weaker one
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The Author
Sofronas, A. - Consulting Engineer, Houston, Texas
Tony Sofronas, D. Eng, was the worldwide lead mechanical engineer for ExxonMobil Chemicals before retiring. He now owns Engineered Products, which provides consulting and engineering seminars on machinery and pressure vessels. Dr. Sofronas has authored two engineering books and numerous technical articles on analytical methods.
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