Food Referigeration and Air Conditioning
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Food Referigeration and Air Conditioning Syllabus — Unit-wise Content
The official GTU curriculum for Food Referigeration and Air Conditioning (subject code 3161406) as prescribed for Food Proc. · Semester 6 divides the course into 7 units, covering 50 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 (3161406)Unit 1 Refrigerants
- Classification & designation of refrigerants
- Desirable properties of refrigerant for food preservation applications
- uses and comparison of commonly used refrigerants
- Environmental considerations: New non-CFC refrigerants
- Green technologies
Unit 2 Vapour Compression Refrigeration System for Food and agro products
- Simple vapour compression cycle
- Functions of different components of vapour compression system
- Representation of vapour compression cycle on (T-S) and (P-h) diagrams
- Mathematical analysis of vapour compression refrigeration
- Factors affecting the performance of vapour compression system
Unit 3 Vapour Absorption System food and allied materials
- Vapour absorption cycle
- Ammonia-water and Water-Lithium bromide systems adapted to work for food and allied applications
- Construction and working of Electrolux refrigerator
- Introduction and working of cascade system of refrigeration
Unit 4 Refrigeration and cooling system c o mp o n e n t s
- Compressor types: Hermetic s e a l e d compressor
- open type compressor
- screw compressor centrifugal compressor
- Condensers: Air-cooled
- cooling tower and spray pond
- Evaporators: Flooded type
- dry expansion
- plate surface
- finned tube
- Thermostatic expansion valve
- capillary tube
- solenoid valves
- Air filters
- air washer
- radiator and convector
- Subject Code: 3161406 w.e.f
Unit 5 Air-Conditioning controls
- Need for controls for food applications
- Automatic and s e m i -automatic control systems
- humidity control
- air movement system
- temperature control
- limit switches
- time switches
Unit 6 Air distribution in food processing facilities
- Air handling unit
- Process air distribution
- Requirements of process air distribution
- types of supply air inlet/outlets for food processing units
- Duct system
- Air- distribution system
- Basic duct design guidelines and suitable materials
Unit 7 Cold storage and freezing of foods
- Design of cold storage for various agro- produce
- Storage requirements of plant and animal produce
- distinction between refrigeration
- chilling and freezing
- special food storage requirements
- Quick Instant Freezing