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Compare positive displacement pump with Rotodynamic pump.
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written 6.8 years ago by
teamques10
★ 70k
|
| Positive Displacement Pump | Roto dynamic Pump |
|---|---|
| 1.Delivers fluid in discrete volume per cycle | 1.Delivery is continuous |
| 2.After finishing on delivery stroke completely , only the next suction stroke can start | 2.Suction & delivery can keep on going continuously & simultaneously. |
| 3.Discharge is independent of the resisting pressure at delivery | 3.As resistance increases the discharge reduces. |
| 4.Discharge depends only on speed | 4.Discharge depends on resisting pressure |
| 5.Work done on the fluid is in the form of pressure energy | 5.Work done is in the form of kinetic energy |
| 6.There is no limit to the maximum pressure that can be built | 6.The maximum pressure that can be developed is limited |
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