JKSSB JE Mechanical Syllabus 2026: Subject Wise Topics, Steps to Download PDF

JKSSB JE Mechanical Syllabus 2026: The Jammu and Kashmir Service Selection Board (JKSSB) has released the official notification for the recruitment of Junior Engineer (Mechanical) in Public Works (R&B) department, Jammu and Kashmir. The board has advertised 127 posts through the Advertisement Notification No. 10 of 2026 (Dated: 21.10.2026). Eligible candidates can submit their online applications from 16 November 2026 to 15 December 2026 through the official website @jkssb.nic.in. To apply online, the candidates must have 3 years diploma in Mechanical Engineering from recognized institute or university. Also, applicants must check JKSSB JE (Junior Engineer) Mechanical syllabus to prepare for upcoming examination accordingly. The examination will be held through offline (OMR based) which consists of 120 questions for 120 marks with a total duration of 120 marks. The exact exam schedule will be notified separately on the JKSSB website. For more details, read the complete article.

JKSSB Junior Engineer (JE) Mechanical Syllabus 2026

The JKSSB JE Mechanical Syllabus aims to test candidates knowledge across various areas through OMR examination. The broad syllabus topics include Theory of Machines and Machine Design, Engineering Mechanics and Strength of Materials, Thermal Engineering and Refrigeration and Air- Conditioning, Fluid Mechanics and Machinery, Material Science & Production Engineering, Metrology and Automobile Engineering & Industrial Management and CAD/ CAM. The detailed subject wise syllabus topics are given below;

JKSSB JE Mechanical Exam Pattern 2026

Subject	Marks
Theory of Machines and Machine Design	15
Engineering Mechanics and Strength of Materials	15
Thermal Engineering and Refrigeration & Air-Conditioning	20
Fluid Mechanics & Machinery	15
Material Science & Production Engineering	20
Metrology and Automobile Engineering	15
Industrial Management and CAD/CAM	20
Total	120

Theory of Machines and Machine Design

• Four-bar linkage and link motion
• Flywheels and fluctuation of energy
• Power transmission by belts, V-belts and flat belts
• Gear types, gear profiles and gear ratio calculation
• Cams
• Governors: Principles and classification
• Design of keys, shafts and riveted joints
• Couplings

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Engineering Mechanics and Strength of Materials

• Laws of forces
• Equilibrium of forces
• Moment of inertia
• Laws of motion
• Friction
• Concept of simple machines
• Mechanical advantage (M.A.), velocity ratio (V.R.) and efficiency
• Concepts of stress and strain
• Elastic limit and elastic constants
• Bending moments and shear force diagrams
• Stress in composite bars
• Torsion in circular shafts
• Columns: Euler’s and Rankine’s theories
• Thin-walled pressure vessels

Thermal Engineering and Refrigeration & Air-Conditioning

• Thermodynamics: Heat, work and temperature
• First and second laws of thermodynamics
• Carnot, Rankine, Otto and Diesel cycles
• \(P\text{-}V\) and \(P\text{-}T\) diagrams
• Properties of steam
• Saturated, wet and superheated steam
• Definition of dryness fraction of steam
• Degree of superheat of steam
• Rankine cycle of steam
• Simple Rankine cycle plot on \(P\text{-}V\), \(T\text{-}S\) and \(h\text{-}s\) planes
• Rankine cycle efficiency with and without pump work
• Concept of COP
• Carnot cycle
• Vapour compression cycle
• Refrigerants
• Psychrometry
• DBT, WBT and DPT

Fluid Mechanics and Machinery

• Properties and classification of fluids
• Newton’s law of viscosity
• Fluid statics
• Measurement of fluid pressure by manometers
• U-tube and inclined tube manometers
• Fluid Kinematics:
  • Streamline, laminar and turbulent flow
  • External and internal flow
  • Continuity equation
• Dynamics of Ideal Fluids:
  • Bernoulli’s equation
  • Total head
  • Velocity head
  • Pressure head
• Measurement of flow rate
• Basic principles and working of Venturi meter
• Pitot tube
• Orifice meter
• Hydraulic turbines
• Centrifugal pumps

Material Science and Production Engineering

• Structure of metals
• Space lattice
• Unit cell
• BCC, FCC, etc.
• Iron-carbon diagram
• Classification of steels: mild steel and alloy steel
• Heat treatment of steel
• Welding:
  • Arc welding
  • Gas welding
  • Resistance welding
  • Special welding techniques, including TIG and MIG
  • Brazing and soldering
• Welding defects and testing
• Foundry and Casting:
  • Foundry and casting methods
  • Casting defects
  • Different casting processes
• Forging
• Extrusion
• Metal Cutting Principles
• Cutting Tools
• Basic Principles of Machining with Lathe
• Milling
• Drilling
• Shaping
• Grinding
• Machine Tools and Manufacturing Processes

Metrology and Automobile Engineering

• Tools Used in Linear Measurements
• Angular Measurement
• Surface Finish
• Limits, Fits and Tolerance
• Error
• Classification of Automobiles
• Transmission
• Steering
• Braking
• Suspension System
• I.C. Engine Performance
• I.C. Engine Combustion Process
• Cooling and Lubrication System in I.C. Engine

Industrial Management and CAD/CAM

• Planning
• Organizing
• Leading
• Controlling
• Inventory Control
• Inspection and Quality Control
• Basic Concepts of CAD/CAM
• NC Machines
• DNC Machines
• CNC Machines

Important Links

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JKSSB JE Mechanical Syllabus	Download PDF
Official Website	CLICK HERE