Question:medium

Which of the following is not an example of a closed system?

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Distinguish between open, closed, and isolated systems for thermodynamics problems.
Updated On: Jan 17, 2026
  • Solar engine
  • Liquid cooling system of an automobile
  • Balloon in a steam puncture
  • Ice in thermos
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The Correct Option is B

Solution and Explanation

A closed system permits the transfer of energy (heat or work) but not mass with its environment. An automobile's liquid cooling system is an example, where coolant circulates without mass exchange.
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