Which of the following statements about the first law of thermodynamics is true?

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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Choose the correct answer

Explanation

Option A states that the first law helps determine the change in internal energy. Option B notes it does not predict whether a change will occur. Option C highlights that it does not address entropy changes. Option D indicates it relates heat, work, and internal energy. Therefore, all these points accurately describe aspects of the first law, making option E the correct choice.

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