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Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 7-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 2 m. Neglect minor losses. Part A Determine the available NPSH. Express your answer using three significant figures. (NPSH)Avail = m Part B 30 20 B 65% 70% 75%80% 175 6-in. dia. Ф — 1750 грm 150 5.5-in. dia. 86% 80% 75% 70% 125 5-in. dia. 100 -65% 25 bhp 75 20 bhp 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 600 700 800 Flow Q (gal/min) Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. (NPSH) req'd = m Head (ft) (NPSH) req'd

Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 7-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 2 m. Neglect minor losses. Part A Determine the available NPSH. Express your answer using three significant figures. (NPSH)Avail = m Part B 30 20 B 65% 70% 75%80% 175 6-in. dia. Ф — 1750 грm 150 5.5-in. dia. 86% 80% 75% 70% 125 5-in. dia. 100 -65% 25 bhp 75 20 bhp 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 600 700 800 Flow Q (gal/min) Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. (NPSH) req'd = m Head (ft) (NPSH) req'd

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 7-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 2 m. Neglect minor losses. Part A h Determine the available NPSH. Express your answer using three significant figures. (NPSH)Avail = m Part B 30 B 65% 70% 75%80% 175 6-in. dia. wn = 1750 rpm 150 5.5-in. dia. 86% 80% 75% a 125 70% -65%- 25 bhp 20 bhp 5-in. dia. 9 100 75 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 600 700 800 Flow Q (gal/min) Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. (NPSH)req'd = m (NPSH)req'd
Transcribed Image Text:Water at T = 25° C is drawn from an underground detention tank and discharged into a drain using a 7-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 2 m. Neglect minor losses. Part A h Determine the available NPSH. Express your answer using three significant figures. (NPSH)Avail = m Part B 30 B 65% 70% 75%80% 175 6-in. dia. wn = 1750 rpm 150 5.5-in. dia. 86% 80% 75% a 125 70% -65%- 25 bhp 20 bhp 5-in. dia. 9 100 75 50 10 bhp 18 bhp 25 100 200 300 337 400 470 500 600 700 800 Flow Q (gal/min) Determine the required NPSH. Use the pump performance curves shown above. Express your answer using two significant figures. (NPSH)req'd = m (NPSH)req'd
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