Extracted text: 10 Pump test system problem:. For the pump test arrangement shown in figure below, determine the mechanical efficiency of the pump if the power input is measured to be 3.85 hp when pumping 500gal/min of oil (y = 56.0 lb/ft3). (1 hp = 33,000 lb-ft/min or 550 lb-ft/s.) %3D %3D FROM SUPPLIER TABLE FOR Particular Pipe such as Schedule 40, With Certain DN value, OD and Wall thickness are given as below. Wall Flow Flow NO Thickness re. (i) 4.500 (u) calculate Pump 0.237 calculate 4. 6-in Schedule 40 4-in Schedule 40 calculate 6.625 0.280 calculate 9. +2 (y = 56 lb/ft) 20.4 in wer Mercury (sg D13.54)