4B / Unit 9 – Refrigeration
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Master Unit 9 – Basic Concepts of Compression and Absorption Refrigeration for your Power Engineering 4B exam with this complete study resource. 
This comprehensive document covers every major topic in the SOPEEC refrigeration syllabus, including: 
• Thermodynamic principles of refrigeration 
• Refrigerant properties & ASHRAE designations (Ammonia R-717, R-134a, etc.) 
• Compression cycle components & calculations (NRE, COP, TR) 
• Evaporators, condensers, compressors & metering device...
- Package deal
- Exam (elaborations)
- • 66 pages's •
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4B / Unit 9 – Refrigeration•4B / Unit 9 – Refrigeration
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4th Class Power Engineering 4B Complete Package Deal 2026/2027 | SOPEEC/ABSA Exam Prep | Full Question Banks, Notes & Practice Sets | Steam Engines, Turbines, Refrigeration, Pumps, Water Treatment & More Package D• By ACADEMICAIDSTORE