Find the wrong among the following properties of ideal refrigerant

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ISRO LPSC Technical Assistant Mechanical 4 March 2018 Official Paper
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  1. Low boiling point
  2. Low freezing point
  3. Low latent Heat
  4. Good chemical stability

Answer (Detailed Solution Below)

Option 3 : Low latent Heat
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Detailed Solution

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Explanation:

Desirable properties of an ideal refrigerant:

  • Low boiling point
  • High critical temperature
  • High latent heat of vaporization
  • Low specific heat of the liquid
  • Low specific volume of vapour
  • Non-corrosive to metal
  • Non-flammable and non-explosive
  • Non-toxic
  • Low cost
  • Easy to liquefy at moderate pressure and temperature
  • Easy of locating leaks by odour or suitable indicator
  • Mixes well with oil
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