A heat engine using 120 mg of helium as the working substance follows the cycle shown in

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A heat engine using 120 mg of helium as the working substance follows the cycle shown in FIGURE P21.61.

a. Determine the pressure, temperature, and volume of the gas at points 1, 2, and 3.b. What is the engine??s thermal efficiency?c. What is the maximum possible efficiency of a heat engine that operates between T_max and T_min?

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Physics for Scientists and Engineers A Strategic Approach with Modern Physics

ISBN: 978-0133942651

4th edition

Authors: Randall D. Knight

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Question Posted: Nov 01, 2018 12:42 PM

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A heat engine using 120 mg of helium as the working substance follows the cycle shown in

Question:

p (atm) 2 5. 4 Isotherm 3- 2- 1- 1 3 0+ O 1000 TV (cm³) V max FIGURE P21.61

Step by Step Answer:

Model Process 1 2 of the cycle is isochoric process 2 3 is isothermal and process 3 1 is isobari...View the full answer

Physics for Scientists and Engineers A Strategic Approach with Modern Physics

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