The below figure shows a pump that transfers a steady stream of 35 API crude oil from an oiltanker to a refinery storage tank, both free surfaces being open to the atmosphere. Theeffective length-including fittings-of the commercial steel pipe is 6,000 ft. The dischargeat point 4 is 200 ft above the pump exit, which is level with the free surface of oil in thetanker. However, because of an intervening hill, point 3 is at a higher altitude than point 4.Losses between points 1 and 2 may be ignored.The crude oil has the following properties:Density p= 53 lbm/ft; Viscosity u= 13.2 cP3;Vapour Pressure Pv = 4.0 psia1,000 ft5,000 ftStoragetank200 ftOil tankerWhp Answer the following additional questions:• If the combination of pump and motor is 80% efficient, how much electrical power(kW) is needed to drive the pump?• If, in order to avoid vapour lock, the pressure in the pipeline must always be above thevapor pressure of the crude oil, what is the maximum permissible elevation of point 3relative to point 4?• If the flow in the pipeline were at the upper limit of being laminar, what pump exitpressure would then be needed? (Answer this part without using the friction factor plot.InstructionsLO2 2 185% -Page: 2 of 2 Words: 42722:14PsENGP Type here to search20/05/2021+ backspace

Solution; Given Data; From the given figure ρ=53 lbm/ft3μ=13.2 cpPv=4.0 psiaa=506 gpm

The below figure shows a pump that transfers a steady stream of 35 API crude oil from an oil tanker to a refinery storage tank, both free surfaces being open to the atmosphere. The effective length including fittings of the commercial steel pipe is 6,000 ft. The discharge at point 4 is 200 ft above the pump exit, which is level with the free surface of oil in the tanker. However, because of an intervening hill, point 3 is at a higher altitude than point 4. Losses between points 1 and 2 may be ignored. The crude oil has the following properties: Density p 53 lbm/ft: Viscosity u= 13.2 cP; Vapour Pressure Pv = 4.0 psia 3 1,000 ft 5,000 ft Storage tank 200 ft Oil tanker

The below figure shows a pump that transfers a steady stream of 35 API crude oil from an oil tanker to a refinery storage tank, both free surfaces being open to the atmosphere. The effective length including fittings of the commercial steel pipe is 6,000 ft. The discharge at point 4 is 200 ft above the pump exit, which is level with the free surface of oil in the tanker. However, because of an intervening hill, point 3 is at a higher altitude than point 4. Losses between points 1 and 2 may be ignored. The crude oil has the following properties: Density p 53 lbm/ft: Viscosity u= 13.2 cP; Vapour Pressure Pv = 4.0 psia 3 1,000 ft 5,000 ft Storage tank 200 ft Oil tanker

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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