a engine is operating via the Carnot cycle; The engine operates between 1000 K and 300 K. a) What is its (maximum) efficiency? b) How could it’s efficiency be changed to 80%? c) If an automobile engine can be approximated as a Carnot engine, absorbing heat at the combustion temp of 800K and emitting heat at its operating temp of 470K, calculate its (maximum) base efficiency. Will it operate more efficiently in the summer or winter?
a engine is operating via the Carnot cycle; The engine operates between 1000 K and 300 K. a) What is its (maximum) efficiency? b) How could it’s efficiency be changed to 80%? c) If an automobile engine can be approximated as a Carnot engine, absorbing heat at the combustion temp of 800K and emitting heat at its operating temp of 470K, calculate its (maximum) base efficiency. Will it operate more efficiently in the summer or winter?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Assume a engine is operating via the Carnot cycle; The engine operates between 1000 K and 300 K.
a) What is its (maximum) efficiency?
b) How could it’s efficiency be changed to 80%?
c) If an automobile engine can be approximated as a Carnot engine, absorbing heat at the combustion temp of 800K and emitting heat at its operating temp of 470K, calculate its (maximum) base efficiency. Will it operate more efficiently in the summer or winter?
Expert Solution
Step 1
The Carnot engine works on the principle of the Carnot cycle. Various thermodynamical processes are involved in this cycle. This engine absorbs heat at a higher temperature and after doing some work, some heat is emitted from the sink at a lower temperature.
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