Explain units of refrigeration and define One Ton of Refrigeration.
[5 marks]Explain following terms: Refrigeration, Refrigerant, Refrigerator, Refrigerating Effect, and Coefficient of Performance.
[5 marks]Give Advantages and Disadvantages of Vapour Compression Refrigeration System.
[5 marks]Draw schematic diagram of Bell-Coleman Cycle.
[5 marks]Discuss the advantages of dense air refrigerating system over open air refrigeration system.
[5 marks]Why is compression process required in VCR system? Explain in brief.
[5 marks]Draw Schematic diagram of Standard Vapour Compression Refrigeration System.
[5 marks]Derive equation of COP for Air Refrigeration Cycle.
[5 marks]Explain Effect of Sub cooling in detail.
[5 marks]State and briefly explain the Methods of Refrigeration.
[5 marks]What are the requirements of refrigerant-absorbent mixture to use it in vapour absorption system?
[5 marks]What are the Applications of Refrigeration?
[5 marks]What are the Function of following Components: 1. Absorber 2. Rectifier 3. Analyser 4. Heat Exchanger
[5 marks]Explain Electrolux refrigerator with schematic diagram.
[5 marks]Give comparison between Vapour compression and Vapour absorption refrigeration system.
[5 marks]Explain Construction and working of simple Ammonia-Water (NH -H O) vapour absorption system with neat sketch.
[5 marks]Explain Construction and working of LiBr-H Ovapour absorption system with2 neat sketch.
[5 marks]