# \#centrifugal-pumps
**URL:** https://www.queseas.com/tag/centrifugal-pumps/238.md
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## [Efficiency of centrifugal pumps](https://www.queseas.com/t/efficiency-of-centrifugal-pumps/625)
**Author:** [@Paraschos.Liadis](https://www.queseas.com/u/Paraschos.Liadis)\
**Replies:** 4\
**Last updated:** [May 9, 2025, 11:04am UTC](https://www.queseas.com/t/efficiency-of-centrifugal-pumps/625 "2025-05-09T11:04:57Z")
Centrifugal pumps need a certain backpressure to operate more efficiently and reach their full capacity. However, the physics behind this are not very straightforward. Could anybody share a simplified / intuitive explana…
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## [Ballast pump coupling flange](https://www.queseas.com/t/ballast-pump-coupling-flange/962)
**Author:** [@Satyajit](https://www.queseas.com/u/Satyajit)\
**Replies:** 3\
**Last updated:** [September 9, 2024, 7:37am UTC](https://www.queseas.com/t/ballast-pump-coupling-flange/962 "2024-09-09T07:37:41Z")
Hello all! Any ideas on how to remove a stuck ballast pump coupling flange - without application of heating because the ballast pump is located inside the pump room of a tanker vessel?
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## [Mechanical Engineering Info File - Thermodynamics, Fluid Mechanics, and Pumping Machinery](https://www.queseas.com/t/mechanical-engineering-info-file-thermodynamics-fluid-mechanics-and-pumping-machinery/786)
**Author:** [@Ahmed](https://www.queseas.com/u/Ahmed)\
**Replies:** 0\
**Last updated:** [July 2, 2023, 9:47pm UTC](https://www.queseas.com/t/mechanical-engineering-info-file-thermodynamics-fluid-mechanics-and-pumping-machinery/786 "2023-07-02T21:47:36Z")
Hello, I recently stumbled upon a must-have file for all mechanical engineering enthusiasts interested in thermodynamics, fluid mechanics, and pumping machinery. It’s a comprehensive resource that covers everything fro…