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Refrigeration and Air Conditioning Technician — Engineering Drawing NCVT Mock Test

Q: What topics should I focus on for RAC Technician Engineering Drawing?

Key Engineering Drawing chapters: Drawing sheets (A0–A4), title block & pencil grades (HB, 2H, 4H); BIS lines (continuous thick, dashed hidden, centre chain lines); First-angle vs Third-angle orthographic projection symbols; Isometric projection, screw threads, rivets & circuit symbols.

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.

Engineering Drawing (ED) is now evaluated through visual MCQs in the NCVT CBT exam (6 questions, 12 marks) covering BIS standards, projection angles, isometric views, and electrical/mechanical symbols. 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 — Engineering Drawing Mock Test

Integrated into CBT Theory Paper (33% overall CBT pass threshold) • Zero Negative Marking

Questions

Max Marks

Time Limit

24m

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 Engineering Drawing Topics Covered

All Trades for Engg. Drawing →

Drawing sheets (A0–A4), title block & pencil grades (HB, 2H, 4H)

BIS lines (continuous thick, dashed hidden, centre chain lines)

First-angle vs Third-angle orthographic projection symbols

Isometric projection, screw threads, rivets & circuit symbols

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.

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Frequently Asked Questions

In the official DGT Computer-Based Test for Refrigeration and Air Conditioning Technician, Engineering Drawing accounts for 6 Multiple Choice Questions carrying 12 marks (2 marks per correct answer, no negative marking).

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