FME Unit 3 Handwritten Notes AKTU (BME101)

AKTU · BTECH · Semester 1, 2 · Fundamentals of Mechanical Engineering · Unit 3 · Handwritten Notes

AKTU Fundamentals of Mechanical Engineering (BME101) Unit 3 handwritten notes for B.Tech Semester 1/2 – Introduction to Refrigeration and Air-Conditioning…

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Unit 3: Introduction to Refrigeration and Air-Conditioning – AKTU syllabus topics

  • Refrigeration Fundamentals: Refrigerating Effect and Ton, Coefficient of Performance, Methods of Refrigeration
  • Domestic Refrigerator and Heat Pump: Domestic Refrigerator Working, Heat Pump Concept
  • Air Conditioning Fundamentals: Humidity DBT WBT Dew Point, Comfort Conditions
  • Window Air Conditioner: Window AC Construction and Working

Most asked AKTU PYQ questions from Unit 3

  1. Q6a. Discuss in detail the construction and working of refrigerator with the help of diagrams. (7 marks, 2023-24)
  2. Q2d. Explain the working of a domestic refrigerator with a neat sketch. (10 marks, 2020-21)
  3. Q6a. Explain the construction and working of window air condition. (10 marks, 2020-21)
  4. Q2c. Explain the construction & working of a domestic refrigerator with a suitable diagram. Also, show all the components. (7 marks, 2024-25)
  5. Q1c. Explain COP of refrigerator. (2 marks, 2020-21)
  6. Q4a. Explain basic components and working of Window Air Conditioner. (10 marks, 2021-22)
  7. Q4b. What do you mean by refrigeration? Explain basic components and working of domestic refrigerator with suitable sketch. (10 marks, 2021-22)
  8. Q4b. Explain the working of vapour compression refrigeration system by T-S diagram with related block diagram. (10 marks, 2021-22)
  9. Q5b. Compare heat pump and refrigerator in terms of working principle and applications. (7 marks, 2024-25)
  10. Q2e. Discuss in detail the construction and working of window air-conditioner with neat diagram. (7 marks, 2023-24)

AKTU paper codes: BME101, BME201, KME101, KME201

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