What is the name of the study of heat engines?

What is the name of the study of heat engines?

Correct Answer: thermodynamics
Chemical dynamics
chemistry
biology

Explanation: Thermodynamics is the study of heat engines. Any engine or power plant obeys the laws of thermodynamics. The first law of thermodynamics is a statement of conservation of energy. Total energy, including heat, is conserved in any process and in the complete cycle of a heat engine. The second law of thermodynamics as it applies to heat engines gives an absolute limit on the efficiency of any heat engine that goes through repetitious cycles.

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