1. A car engine deliver 8.2 kJ of work per cycle. Its efficiency is 25%. A) How much heat is absorbed and how much heat is exhausted from its fuel combustion? B) The car is now tuned and its efficiency goes to 31%. What are the new values of heat absorbed and heat exhausted?

1. A car engine deliver 8.2 kJ of work per cycle. Its efficiency is 25%. A) How much heat is absorbed and how much heat is exhausted from its fuel combustion? B) The car is now tuned and its efficiency goes to 31%. What are the new values of heat absorbed and heat exhausted?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter12: The Laws Of Thermodynamics

Section: Chapter Questions

Problem 14P: In a running event, a sprinter does 4.8 105 J of work and her internal energy decreases by 7.5 105...

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Concept explainers

First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

Question

1st and 2nd Law of thermodynamics Worksheet
1.
A car engine deliver 8.2 kJ of work per cycle. Its efficiency is 25%. A) How much heat is absorbed
and how much heat is exhausted from its fuel combustion? B) The car is now tuned and its
efficiency goes to 31%. What are the new values of heat absorbed and heat exhausted?
1 of 3

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