Junior Technician (Mechanical/Air Conditioning) Mock Test 2026
📅 Updated: August 2026
Mock test and syllabus for Junior Technician (Mechanical/Air Conditioning) recruitment at SPMCIL.
Junior Technician (Mechanical/Air Conditioning) Key Highlights
Key Highlights
- Total Questions:120
- Total Marks:120
- Duration:120 minutes
- Subjects:3 sections
- Negative Marking:Refer to official notification
Junior Technician (Mechanical/Air Conditioning) Exam Pattern 2026
Exam Pattern
| Subject | Questions | Marks |
|---|---|---|
| Professional Knowledge in respective trade | 85 | 85 |
| Quantitative Aptitude | 20 | 20 |
| Logical Reasoning | 15 | 15 |
Junior Technician (Mechanical/Air Conditioning) Latest Syllabus
Detailed Syllabusâ–¼
- Safety, Workshop Practices & Industrial Environment: Importance of safety, PPE, Fire safety, Hazard identification, 5S concept, OSH standards.
- Engineering Materials, Tools & Measuring Instruments: Types of materials, Cutting tools, Hand tools, Measuring instruments (Steel rule, Vernier caliper, micrometer, Dial gauge, feeler gauge, bevel protractor), Limits, fits, and tolerances.
- Basic Fitting & Assembly Principles: Principles of fitting operations, Types of fits, Interchangeability concept, Assembly techniques, Fasteners, Torque and tightening methods.
- Machine Tools: Construction & Working Principles: Classification of machine tools, Lathe, Shaper, Milling, Drilling, Grinding machines, Cutting parameters.
- Heat Treatment & Surface Finishing: Hardening, tempering, annealing, normalizing, Case hardening, Surface finishing methods (Lapping, honing, scraping).
- Mechanical Power Transmission Systems: Belt, chain, gear drives, Gear trains, Couplings and clutches, Bearings, Brakes and braking mechanisms.
- Lubrication, Cooling & Maintenance Systems: Types of lubricants, Lubrication systems, Coolants, Maintenance types (Preventive, predictive, breakdown).
- Hydraulics & Pneumatics: Basic principles, Components (Pumps, compressors, valves, actuators), Hydraulic/Pneumatic circuits and symbols.
- Electrical, Electronics & PLC Basics: Basic electrical concepts (AC/DC), Electrical components (Motors, relays, transformers), Electronic components, Sensors, Introduction to PLC.
- Workshop Calculation & Science: Units, Fractions, decimals, percentages, Ratio, Algebra, Geometry, Trigonometry, Physics (Force, work, power, energy, Heat, Friction).