[PDF] RAC (Refrigeration and Air-Conditioning) Handwritten Note for GATE, ESE, PSUs

RAC (Refrigeration and Air-Conditioning) Handwritten Note for GATE, ESE, PSUs

Refrigeration and AC

GATE Syllabus for RAC Subject

Refrigeration and air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.

ESE Syllabus for RAC Subject

Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermoelectric and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations and Heat pumps.

RAC Topics and Types of Questions asked in the exams

1. Basics- Objective

2. VCRS- Objective & Conventional

3. Refrigerants- Theoretical Objective

4. VARS- Objective

5. Reverse Brayton Cycle- Objective & Conventional

6. Refrigeration Equipment- Objective

7. Psychrometry- Objective

8. Summer/Winter AC- Objective & Conventional

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