Refrigerant-134a at 1.4 MPa and 70 C is throttled to a pressure of 0.6 MPa. The temperature of...

Question:

Refrigerant {eq}-134a {/eq} at 1.4 MPa and 70{eq}^{\circ} {/eq}C is throttled to a pressure of 0.6 MPa. The temperature of the refrigerant after throttling is

(a) 70{eq}^{\circ} {/eq}C

(b) 66{eq}^{\circ} {/eq}C

(c) 57{eq}^{\circ} {/eq}C

(d) 49{eq}^{\circ} {/eq}C

(e) 22{eq}^{\circ} {/eq}C

Refrigerant

It is a working fluid used in refrigeration.They are used in a refrigeration cycle for cooling purposes. Mainly refrigerants are of low density and high latent heat.Main types of refrigerants are :

1) Natural refrigerant

2) HCFCs

3) CFC

4) HFCs

Answer and Explanation:

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Given Data_

  • Inlet temperature is {eq}{T_i} = 70\;^\circ {\rm{C}} {/eq}
  • Inlet pressure is {eq}{P_i} = 1.4\;{\rm{MPa}} {/eq}
  • Exit pressure is...

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