Figure 7.26 shows the arrangement of a circuit for a hydraulic system. The pump

Question

Figure 7.26 shows the arrangement of a circuit for a hydraulic system. The pump draws oil with a specific gravity of .90 from a resevoir and delivers it to the hydraulic cylinder. The cylinder has an inside diameter of 5.0 in, and in 15 s the piston must travel 20 in. while exerting a force of 11 000 lb. It is estimated that there are energy lossed of 11.5 lb-ft/lb in the suction pipe and 35.0 lb-ft/lb in the discharge pipe. Both pipes are 3/8 in Schedule 80 steel pipes. Calculate: A) The volume flow rate through the pump. B) The pressure at the cylinder. C) The pressure at the outlet of the pump. D) The pressure at the inlet of the pump. E) The power delievered to the oil by the pump. I will not rate links to websites. I want an actual solved problem or great explanation of steps. thanks

Explanation / Answer

D) The pressure at the inlet of the pump

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