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- Subject
- Thermodynamicsmechanical-engineering-mcqs › thermodynamics
- Published
- 26 Jan 2019
- Last updated
- 28 May 2026
Explanation
The Carnot cycle represents an idealized thermodynamic process that attains maximum efficiency only when the engine operates reversibly, without any entropy production or losses. Therefore, only a reversible engine can achieve the highest efficiency predicted by the Carnot cycle.
More Thermodynamics MCQs
Practice related questions from the same subject.
- 1.Which variable governs the physical characteristics of an ideal gas?
- 2.What is the standard unit of time according to the International System of Units (SI)?
- 3.Which of the following principles apply to the behavior of an ideal gas?
- 4.What is the standard unit of temperature in the International System of Units (SI)?
- 5.What is the standard unit of length in the International System of Units (SI)?
- 6.According to Gay-Lussac's law for an ideal gas, the absolute pressure of a fixed amount of gas is directly proportional to which of the following?
- 7.Which of the following represents the general gas equation?
- 8.Which of the following substances can be considered gases under typical temperature conditions, allowing gas laws to be applied?
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