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Refrigeration and Air Conditioning Technician — Trade Theory NCVT Mock Test

Q: What topics should I focus on for RAC Technician Trade Theory?

Core Refrigeration and Air Conditioning Technician syllabus modules: 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.

Q: How do I practise the other CBT subjects for Refrigeration and Air Conditioning Technician?

Use the subject switcher tabs directly above the test simulator to jump between Trade Theory, Workshop Calculation & Science, Engineering Drawing, Employability Skills, or open the Full CBT Mock Test on the Refrigeration and Air Conditioning Technician trade page.

Trade Theory carries the highest marks weightage in every NCVT AITT Computer-Based Test—38 questions (76 marks) for Engineering trades and 50 questions (100 marks) for Non-Engineering trades. Practise verified objective questions tailored for Refrigeration and Air Conditioning Technician trainees (2 Years • Capital Goods & Manufacturing • Engineering).

Switch RAC Technician Subject:Trade Theory Workshop Calculation & Science Engineering Drawing Employability Skills Combined Full CBT

NIMI / DGT CBT Simulator

RAC Technician — Trade Theory Mock Test

Minimum 33% in CBT Professional Knowledge component • Zero Negative Marking

Questions

Max Marks

Time Limit

18m

Neg. Marking

NONE

Choose Test Mode

Shows the right answer and NIMI technical explanation immediately after each question.

Trade Info:Engineering (2 Years • Level 4)•Open RAC Technician Full Page

Important Trade Theory Topics Covered

All Trades for Theory →

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

ITI Refrigeration and Air Conditioning trainee in blue workwear and safety spectacles reading compound blue/red manifold gauges connected to an open split-AC condenser-evaporator trainer beside a rotary vacuum pump, refrigerant cylinder, and cutaway hermetic compressor

Chemical Plant, HVAC & Pumps Lab

RAC Mechanic Split AC Charging & Cutaway Compressor

Demonstrating vacuum evacuation, R-32/R-410A manifold pressure charging, flare brazing, and hermetic compressor internal mechanisms.

Content Verification & Error Reporting

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Frequently Asked Questions

In the official DGT Computer-Based Test for Refrigeration and Air Conditioning Technician, Trade Theory accounts for 38 Multiple Choice Questions carrying 76 marks (2 marks per correct answer, no negative marking).

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