Moderate

The performance of a refrigerator is described by

Correct answer: A. efficiency

  • A. efficiency
  • B. coefficient of performance
  • C. both a and b
  • D. not describe

Explanation

A heat engine works by utilizing a cyclic process, where it continuously operates in a repeating sequence.Additionally, a heat engine relies on a temperature difference between its heat source (where it absorbs heat) and its sink (where it releases heat) to function efficiently

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About Thermal Equilibrium and Heat

Thermal equilibrium means that bodies in contact have the same temperature and no net heat flows between them. The topic distinguishes heat from temperature, uses the zeroth law of thermodynamics, and covers heat transfer, specific heat capacity, thermal expansion and the conditions for reaching equilibrium.

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714 free Thermodynamics MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.

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