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A refrigerator operates between 120 kPa and 800 kPa in an ideal vapor compression cycle with R-134a as the refrigerant. The refrigerant enters the compressor as saturated vapor and leaves the condenser as saturated liquid. The mass flow rate of the refrigerant is 0.2 kg/s.
Properties for R -134a are as follows: Saturated R-134a
The rate at which heat is extracted, in kJ/s from the refrigerated space is
[2012]
  • a)
    28.3
  • b)
    42.9
  • c)
    34.4
  • d)
    14.6
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A refrigerator operates between 120 kPa and 800 kPa in an ideal vapor ...
Rate at which heat is extracted
= m (h1 – h4) = 0.2 (237 – 95.5)
= 28.3 kW
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Most Upvoted Answer
A refrigerator operates between 120 kPa and 800 kPa in an ideal vapor ...
Rate at which heat is extracted
= m (h1 – h4) = 0.2 (237 – 95.5)
= 28.3 kW
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A refrigerator operates between 120 kPa and 800 kPa in an ideal vapor compression cycle with R-134a as the refrigerant. The refrigerant enters the compressor as saturated vapor and leaves the condenser as saturated liquid. The mass flow rate of the refrigerant is 0.2 kg/s.Properties for R -134a are as follows: Saturated R-134aThe rate at which heat is extracted, in kJ/s from the refrigerated space is[2012]a)28.3b)42.9c)34.4d)14.6Correct answer is option 'C'. Can you explain this answer?
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