Answer to Question #234073 in Mechanical Engineering for Randal Rodriguez

Question #234073

10. If a pump discharges 90 GPM of water whose specific weight is 61.5 lb f /ft 3 (g = 31.95 ft/s 2 ), find a) mass

flow rate (lb m /min), b) time to fill a spherical tank 8 ft in diameter.


1
Expert's answer
2021-09-10T00:04:03-0400

a)

There are in a gallon

Therefore, the volume flow rate can be expressed as

We can multiply that by the density of 62.4 lbm/ft^3

Mass flow rate = 626 LBM/min


b)


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