Refrigeration and Air Conditioning (RAC) 2018 Question Paper — Govern…
The 2018 Refrigeration and Air Conditioning (RAC) previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Refrigeration and Air Conditioning (RAC)
- Course: Refrigeration & Air Conditioning
- Branch: Mechanical Engineering
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all selecting at least two questions from each Section.
- Each question carries 20 marks.
- Use of scientific calculator is allowed.
- Assume missing data suitably, if any.
Questions
Section - A
Attempt at least two questions from this Section.
- Q1. Explain solar refrigeration in detail with suitable diagram. [20 marks]
- Q2. Explain thermo-electric refrigeration in detail with suitable diagram and also state its application. [20 marks]
- Q3. Explain the thermodynamic analysis of vapour compression system. [20 marks]
- Q4. State in detail the effects of operating variables on the performance of vapour compression system. [20 marks]
Section - B
Attempt at least two questions from this Section.
- Q5. Describe the methodology used for evaluating air conditioning load. [20 marks]
- Q6. Explain basic properties in conditioning of air. [20 marks]
- Q7. Explain in detail psychometric of air conditioning process. [20 marks]
- Q8. Explain the following: (a) Properties of Refrigerant (b) Secondary Refrigerants. [20 marks]