A design engineer decides to use a centrifugal pump to increase the flow transfer rate. Water with a density of p = 998.2 kg/m³ is pumped at a rate of 0.0323 m³/s from a reservoir to a high-rise...

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Extracted text: A design engineer decides to use a centrifugal pump to increase the flow transfer rate. Water with a density of p = 998.2 kg/m³ is pumped at a rate of 0.0323 m³/s from a reservoir to a high-rise apartment through a pipe of diameter 150 mm. The water level at the reservoir is 5.380 m below the pump. Cavitation effect has been considered in the estimation of the pump. The minimum net pressure suction head, NPSHmin for a pump given by the manufacturers is 1.95 m. Assume the atmospheric pressure and total head loss in the suction are 98.62 kN/m? and 2.158 m of water, respectively. i) Show if the pump is safe from cavitation.


Extracted text: Hint: NPSH = PA -P, v, – h. pg 2g Given: P, at 20°C = 2.377 kN/m²