NCVT Refrigeration and Air Conditioning Technician — Trade Info, Syllabus & Mock Test
Refrigeration and Air Conditioning Technician teaches thermodynamics, vapour compression systems, hermetic/rotary compressors, eco-friendly refrigerants (R32, R134a, R410A, R290), copper brazing, vacuum charging, VRF/VRV units, and cold storage plants.
Eligibility: Passed 10th Class examination with Science and Mathematics or with vocational subject in same sector or its equivalent. (DGT CTS List Serial #66 • Sector: Capital Goods & Manufacturing)
RAC Technician — Full NCVT CBT Mock Test
Engineering Pattern • 2 Years • 4 CBT Subjects (74 Practice MCQs Ready)
Shows the right answer and NIMI technical explanation immediately after each question.
RAC Technician Subject-Wise Mock Tests (4)
Target any individual CBT paper below to strengthen weaker modules step by step.
Trade Theory
Core technical concepts, tools, safety & operations per NIMI curriculum
Workshop Calculation & Science
Applied mathematics, SI units, mensuration, heat, power & simple machines
Engineering Drawing
BIS sheet sizes, line types, orthographic projections & trade symbols
Employability Skills
IT literacy, English communication, entrepreneurship, quality & green skills
Refrigeration and Air Conditioning Technician — ITI Practical Training View
RAC Mechanic Split AC Charging & Cutaway Compressor
Demonstrating vacuum evacuation, R-32/R-410A manifold pressure charging, flare brazing, and hermetic compressor internal mechanisms.
Key Syllabus Modules in Refrigeration and Air Conditioning Technician
- Sensible/latent heat, refrigeration ton (TR) & vapour compression cycle
- Domestic refrigerators, inverter compressors, capillary tubes & thermostats
- Split AC installation, nitrogen pressure testing, vacuuming & gas charging
- Central HVAC chilled-water plants, psychrometrics & cold storage controls
Job Roles & Popular Exams
- Commercial HVAC / VRF Technician
- Indian Railways AC Coach Attendant / Mechanic
- Cold Chain & Dairy Chiller Specialist
- Appliance Service Engineer (Daikin / Voltas)
More NCVT Trades in Capital Goods & Manufacturing
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Frequently Asked Questions
Refrigeration and Air Conditioning Technician is a 2 Years (2400 Hours) Engineering Craftsmen Training Scheme (CTS) trade aligned with NSQF Level 4. Minimum entry eligibility is: Passed 10th Class examination with Science and Mathematics or with vocational subject in same sector or its equivalent. Standard batch/unit size is 24 Trainees.
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