Question: A pump is used to circulate heavy machine tool lubricating oil (sg = 0.87, v= 2.1X10-3 ft/s) at 110F in a manufacturing plant as shown

 A pump is used to circulate heavy machine tool lubricating oil

A pump is used to circulate heavy machine tool lubricating oil (sg = 0.87, v= 2.1X10-3 ft/s) at 110F in a manufacturing plant as shown below. Total length of the schedule 40 4-in pipe at pump inlet is 30 ft and 3-in pipe length at pump exit is 85 ft. The highest point in the system is 22 ft above the pump. For each of the flow rate from 20 gpm to 250 gpm at the interval of 10 gpm (i.e. 20, 30, 40, ...230, 240, 250 gpm), use a computer program to determine the following: (a) Total head loss (ft) (b) Power loss (HP) due to friction (C) Power (HP) required by a 90% efficient pump 6 ft. 22 ft Flow 15 ft Discharge line 3-in sch. 40 steel pipe Suction line 4-in sch. 40 steel pipe Neglect loss due to components

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