Thermodynamics: An Engineering Approach 8th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07339-817-9
ISBN 13: 978-0-07339-817-4

Chapter 1 - Introduction and Basic Concepts - Problems - Page 45: 1-71E

Answer

$P_{high}=16.01kPa=2.32psi$ $h_{high,water}=1.63m$ $P_{low}=10.67kPa=1.55psi$ $h_{low,water}=1.09m$

Work Step by Step

Knowing that: $P=\rho*g*h$ $P_{high}=(13600\frac{kg}{m^3})*(9.81\frac{m}{s^2})*(0.12)=16.01kPa$ $P_{high}=16.01kPa*(\frac{1psi}{6.895kPa})=2.32psi$ $P_{low}=(13600\frac{kg}{m^3})*(9.81\frac{m}{s^2})*(0.08)=10.67kPa$ $P_{low}=10.67kPa*(\frac{1psi}{6.895kPa})=1.55psi$ $h_{high,water}=\frac{P_{high}}{g*\rho_{water}}$ $h_{high,water}=\frac{16010Pa}{(9.81\frac{m}{s^2}*(1000\frac{kg}{m^3})}$ $h_{high,water}=1.63m$ $h_{low,water}=\frac{P_{low}}{g*\rho_{water}}$ $h_{low,water}=\frac{10670Pa}{(9.81\frac{m}{s^2}*(1000\frac{kg}{m^3})}$ $h_{low,water}=1.09m$
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