Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 3 (Q.No. 9)
9.
The operating pressure for refrigerating units using R-12 as a refrigerant is
2 bar
8 bar
15 bar
30 bar
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Rahul solanki said:   4 years ago
At -15°C pressure 0.82 bar.
At 30°C pressure 6.4 bar.
So, why not 2 bar? 2 bar is between this pressure range. Right?

Gabbar said:   7 years ago
Yes, right @Maharaja.

MAHARAJA said:   8 years ago
It is 6.4bar at 30°C.

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