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in Physics Form 3 by

The diagram below shows the main features of a domestic refrigerator. Study the diagram and answer the questions that follow. 
         features of a domestic refrigerator
State the role of;

  1. The compressor pump.   
  2. The metal tins.  
  3. The volatile liquid.  
  4. Explain why the freezing compartment is located at the top of the refrigerator.   

1 Answer

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  1. Compresses and condenses vapor from evaporating liquid.
  2. Conduct latent heat from the condensing vapor away
  3. Evaporate and take away latent heat from the pipes and surrounding air causing cooling
  4. To allow a cold conventional air current from top to bottom cooling the inside of the refrigerator
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