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.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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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