The hot reservoir for a Carnot engine has a temperature of 904 K, while the cold reservoir has a temperature of 314 K. The heat input for this engine is 4210 J. The 314-K reservoir also serves as the hot reservoir for a second Carnot engine. This second engine uses the rejected heat of the first engine as input and extracts additional work from it. The rejected heat from the second engine goes into a reservoir that has a temperature of 110 K. Find the total work delivered by the two engines.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics
Section: Chapter Questions
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The hot reservoir for a Carnot engine has a temperature of 904 K, while the cold reservoir has a temperature of 314 K. The heat input
for this engine is 4210 J. The 314-K reservoir also serves as the hot reservoir for a second Carnot engine. This second engine uses the
rejected heat of the first engine as input and extracts additional work from it. The rejected heat from the second engine goes into a
reservoir that has a temperature of 110 K. Find the total work delivered by the two engines.
Number i
Units
THI
QH1l
Engine 1
local
Tc1=TH2
12H₂1↓
Engine 2
local
Тc2
|w₁|
W₂1
Transcribed Image Text:The hot reservoir for a Carnot engine has a temperature of 904 K, while the cold reservoir has a temperature of 314 K. The heat input for this engine is 4210 J. The 314-K reservoir also serves as the hot reservoir for a second Carnot engine. This second engine uses the rejected heat of the first engine as input and extracts additional work from it. The rejected heat from the second engine goes into a reservoir that has a temperature of 110 K. Find the total work delivered by the two engines. Number i Units THI QH1l Engine 1 local Tc1=TH2 12H₂1↓ Engine 2 local Тc2 |w₁| W₂1
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