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Power plants and internal combustion engines are both examples of:

AHeat engines
BHeat exchanges
CHeat elements
DHeat envelopes
Answer & Solution
Correct answer: A. Heat engines
1. Both burn fuel and produce work. 2. Both reject waste heat. 3. So both are heat engines. _Source: OpenStax University Physics Volume 2, Chapter 4, The Second Law of Thermodynamics._
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