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

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 3 (Q.No. 15)
15.
The alignment circle is marked on the psychrometric chart at
20°C DBT and 50% RH
26°C DBT and 50% RH
20°C DBT and 60% RH
26°C DBT and 60% RH
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Rahul Mourya said:   8 years ago
What is alignment circle?

Pritam Chandel said:   6 years ago
Alignment circle is a reference point on the psychometric chart. It lies within Comfort condition. It generally lies within 24° to 26° DBT and 50%-60% Relative Humidity.

Tejaa said:   5 years ago
The correct answer should be option D.

Anurag said:   3 years ago
Usually, comfort conditions are taken as 24 °C and 50% RH as per Ashrae. Although the comfort range varies as per the region and location. In India even 27° C is comfortable. Although in cold regions 21 °C is selected as the setpoint for energy efficiency in heating.

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