JKSSB Official SyllabusHealth & Medical Education / Skill Development Department
JKSSB Refrigerator Mechanic Syllabus & Exam Pattern
Official 120-mark written examination syllabus for Refrigerator Mechanic covering Refrigeration Cycles, Workshop Tools, Psychrometrics, Thermodynamics, Compressors, AC Systems, Comfort Conditions, Insulation, Piping, Expansion Devices, Diagnostics, and Electrical Controls.
📜 Notification:Advt No. 04 of 2024 & Advt No. 02 of 2025 (OMR Examination 2025)
TOTAL MARKS
120 Marks
TIME DURATION
120 Mins
NEGATIVE MARKING
-0.25 Mark
UNITS / SECTIONS
5 Sections
Declared Weightage vs. Observed Exam History
The Declared Weightage represents the marks allocated in the official notification. The Observed Count reveals the actual number of solved questions asked in real past papers from our verified dataset.
UNIT 1
Refrigeration Cycles, Tools & Psychrometrics
24 Marks
VCR & Electrolux Cycles, Workshop Tools (Tapping, V-Notch), Sheet Metal & Recovery
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Relative Humidity, Chemical Dehumidification, Spray Humidification & Accumulators
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Bell-Coleman Air Cycle, Gas Welding Flame, Suction Pressure & Inverter VRF AC Systems
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
UNIT 2
Thermodynamics, Compressors & AC Systems
24 Marks
1st & 2nd Laws of Thermodynamics, Thermometry, COP Calculation & Psychrometric Chart
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Air-Cooled Condensers, AC Induction Motors, Start Capacitors, OLP & Microcontrollers
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Cooling Tower Descaling, Duct Sizing Methods, PWM Speed Control & Troubleshooting
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
UNIT 3
Comfort Conditions, Insulation, Piping & Refrigerants
24 Marks
Effective Temperatures (Summer/Winter), Aerogel/Mineral Wool Insulation & Ice Plants
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Cassette ACs, POE Lubricants, Window ACs, Arc Welding & Cooling Tower Types
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Capillary Retrofitting, Filter Driers, CFC Designations, Ductwork GI & Superheating
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
UNIT 4
Expansion Devices, Diagnostics & Workshop Practices
24 Marks
Refrigerants GWP Hierarchy, Heat Recovery Wheels, Cascade Systems & EEVs/TXVs
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Scroll Compressors, PTC Thermistors, Flaring/Swaging Tools, VFDs & Flooded Chillers
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Precision AC for Data Centers, Sublimation Dry Ice, Nitrogen Purging & Overcharging
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
UNIT 5
Electrical Controls, Troubleshooting & Absorption Systems
24 Marks
Central AC Plant Startup Sequence, DX Chillers, Moisture Hazards & Large Screw Compressors
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Heating Load Estimation, Oil Logging, Recovery 80% Fill Rule & Visual Troubleshooting
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
Aqua-Ammonia Absorption Systems, PSC Fan Motors, Western Union Splices & Self-Inductance
Declared: 8 Marks•Observed in PYQs: 0 Solved MCQs (0 Papers)
📄 Official Solved Papers Conducted on this Syllabus
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