Automobile Refrigeration & A/C
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Automobile Refrigeration & A/C Syllabus — Unit-wise Content
The official GTU curriculum for Automobile Refrigeration & A/C (subject code 3711104) as prescribed for MEAA · Semester 1 divides the course into 4 units, covering 40 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3711104)Unit 1 Unit 1
- methods of refrigeration
- vapour compression refrigeration system
- vapour absorption refrigeration system
- applications of refrigeration & air conditioning
- Automobile air conditioning
- air conditioning for passengers
- isolated vehicles
- transport vehicles
- applications related with very low temperatures
Unit 2 Unit 2
- Refrigerant: Classification
- selection criteria
- commonly used refrigerants
- alternative refrigerants
- eco-friendly refrigerants
- applications of refrigerants
- refrigerants used in automobile air conditioning
Unit 3 Unit 3
- Psychrometry (definitions and processes)
- Application of psychrometric processes of summer and winter air conditioning (applied psychrometry)
- review of refrigeration and air conditioning load calculations
- factors forming the load on refrigeration & air conditioning systems
- cooling & heating load calculations
- load calculations for automobiles
- effect of air conditioning load on engine performance
- Human comfort
- Comfort chart
Unit 4 Unit 4
- Air conditioning systems: Classification
- central / unitary air conditioning systems
- components like compressors
- expansion devices
- fan blowers
- heating systems
- Automotive heaters
- Control used in Refrigeration system
- Air conditioning protection
- Engine protection
- Distribution duct system
- supply / return ducts
- type of grills
- air noise level
- layout of duct systems for automobiles and their impact on load calculations
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