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1 mark

A refrigerator is

  1. A
    a heat engine.
  2. B
    an air-cooler.
  3. C
    an electric motor.
  4. D
    a heat engine working in reverse order.

Solution & Step-by-step Explanation

A refrigerator functions thermodynamically as a reversed heat engine or heat pump. It absorbs heat from a low-temperature reservoir (interior) and rejects it to a high-temperature reservoir (surroundings) by utilizing external mechanical work provided by a compressor.

Practice this question

Try it yourself before checking the explanation above.

A refrigerator is
A
a heat engine.
B
an air-cooler.
C
an electric motor.
D
a heat engine working in reverse order.

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ThermodynamicsHeat EnginesThermal Physics

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