On what factor does the efficiency of a Carnot engine primarily rely?

Thermodynamics MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Thermodynamicsmechanical-engineering-mcqs › thermodynamics
Published
26 Jan 2019
Last updated
28 May 2026

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Explanation

The efficiency of a Carnot engine is determined solely by the temperatures of the heat source and the heat sink. It is independent of the working substance, engine design, size, or fuel type.

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