代做Building Manager - Building Facilities Systems and Maintenance代做Prolog

日期：2025-11-01 11:23

Question 4

Explain and compare the refrigeration performance of the following refrigerants (with the help of the P-H diagrams) and their implications on the construction of a refrigeration plant:

 R-22;

 R-123;

 R-134a; and

 R-407c

Besides, discuss the respective environmental impacts of these refrigerants on ozone depletion and greenhouse effect.

 The assignment has to be submitted in hard-copy (directly to Ir. Gary Leung) by 3 November 2025 (Week 10 of Semester A).

 Late submission without prior authorization from your lecture will be heavily penalized.

Please use e-mail to ask for authorization