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Engineering and Tech / Fundamentals of Engineering Thermodynamics 7 / Chapter 3 / Problem 116P

Fundamentals of Engineering Thermodynamics | 7th Edition | ISBN: 9780470495902 | Authors: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey

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Solved: Using Energy Concepts and the Ideal Gas ModelA

Chapter 3, Problem 116P

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QUESTION:

A piston-cylinder assembly contains air at a pressure of \(30 \mathrm{lbf} / \mathrm{in.}^2\) and a volume of \(0.75 \mathrm{ft}^3\). The air is heated at constant pressure until its volume is doubled. Assuming the ideal gas model with constant specific heat ratio, k=1.4, for the air, determine the work and heat transfer, each in Btu.

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QUESTION:

A piston-cylinder assembly contains air at a pressure of \(30 \mathrm{lbf} / \mathrm{in.}^2\) and a volume of \(0.75 \mathrm{ft}^3\). The air is heated at constant pressure until its volume is doubled. Assuming the ideal gas model with constant specific heat ratio, k=1.4, for the air, determine the work and heat transfer, each in Btu.

ANSWER:

Solution

Step 1 of 3

Consider a piston-cylinder assembly contains air at a pressure of and a volume of and the air is heated at constant pressure until its volume is doubled.

We need to find out the work and heat transfer for this process.

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