A centrifugal pump when tested with Brine of density 1190 kg per cubic meter discharged 60 liter per second against a pressure of 300 kPa. It is desired to investigate the change in power when a similar pump is used to pump petrol of density 700 kg per cubic meter against the same pressure. It is desired to keep the speed the same. Check whether any change in the drive motor is required. Assume an overall efficiency of 70% in both cases.

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A: Dear student,                      According to guidelines, I am allowed to answer only one problem…

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.