1. What are the motivations for developing hermetic compressors? 2. Why is it impractical to apply the Reversed Carnot Cycle in an actual vapor compression refrigeration system? Explain. 3. What type of compressor and what type of refrigeration system are applied in central air conditioning of high rise buildings? Explain. 4. Discuss the usefulness of the p-h diagram in analyzing a vapor compression refrigeration cycle.

1. What are the motivations for developing hermetic compressors? 2. Why is it impractical to apply the Reversed Carnot Cycle in an actual vapor compression refrigeration system? Explain. 3. What type of compressor and what type of refrigeration system are applied in central air conditioning of high rise buildings? Explain. 4. Discuss the usefulness of the p-h diagram in analyzing a vapor compression refrigeration cycle.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Can you also show the T-S and P-H diagram? REF134A A Single Stage Vapor Compression (SSVC) refrigeration system has a cooling capacity of 6 tons. The discharge of the evaporator is at -20°C & 0.1 MPa and the discharge of the condenser is at 30°C & 1.0 MPa. Determine the following: (a) the COP of the system, (b) the Energy Efficiency Ratio in kJ/hr/W, (c) the HP/ton of the system, (d) the Refrigerating Efficiency of the system.
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