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. Estimate the time required for the person to donate one pint of blood. A

. Estimate the time required for the person to donate one pint of blood. A

Structural Analysis
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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A person is donating blood. The pint bag in which the blood is collected is initially flat and is at atmospheric pressure. Neglect the initial mass of air in the 1/8-in. I.D., 4-ft-long plastic tube carrying blood to the bag. The average blood pressure in the vein is 40 mm Hg above atmospheric pressure. Estimate the time required for the person to donate one pint of blood. Assume that blood has a specific gravity of 1.06 and a viscosity of 1.0 × 10-4 lb-s/ft². The needle's I.D. is 1/16 in. and the needle length is 2.0 in. The bag is 1.7 ft below the needle inlet and the vein's I.D. is 1/8 in. t = 9.35 min
Transcribed Image Text:A person is donating blood. The pint bag in which the blood is collected is initially flat and is at atmospheric pressure. Neglect the initial mass of air in the 1/8-in. I.D., 4-ft-long plastic tube carrying blood to the bag. The average blood pressure in the vein is 40 mm Hg above atmospheric pressure. Estimate the time required for the person to donate one pint of blood. Assume that blood has a specific gravity of 1.06 and a viscosity of 1.0 × 10-4 lb-s/ft². The needle's I.D. is 1/16 in. and the needle length is 2.0 in. The bag is 1.7 ft below the needle inlet and the vein's I.D. is 1/8 in. t = 9.35 min
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