RRB JE CBT 2 Mechanical Engineering Syllabus 2026: Exam Pattern, Subject-wise Topics & PDF

The RRB JE CBT 2 Mechanical Engineering Syllabus helps candidates understand the technical subjects covered in the second stage of the Junior Engineer recruitment process. The Railway Recruitment Boards (RRBs) released the RRB JE 2026 Notification.

The CBT 2 examination mainly tests diploma-level Mechanical Engineering concepts along with General Awareness, Physics and Chemistry, Basics of Computers, and Environment & Pollution Control. Knowing the complete syllabus and exam pattern helps you prioritise important topics and prepare in a structured manner.

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Also Check:

• RRB JE CBT-2 Mechanical Engineering Syllabus 

• RRB JE CBT-2 ECE Syllabus

• RRB JE CBT-2 Civil Engineering Syllabus  

• RRB JE CBT-2 Electrical Engineering Syllabus

RRB JE CBT 2 Mechanical Engineering Syllabus 2026 Overview

Before starting your preparation, you should understand the basic details of the CBT 2 examination.

RRB JE CBT 2 Mechanical Engineering Exam Pattern 2026 

The CBT 2 examination contains questions from General Awareness, Physics & Chemistry, Basics of Computers, Environment & Pollution, and the technical discipline selected by the candidate. The Mechanical Engineering section contributes the largest share of questions in the CBT 2 examination. 

• Duration: 120 Minutes

• Negative Marking: One-third of a mark is deducted for every incorrect answer.

RRB JE CBT 2 Mechanical Engineering Syllabus 2026 (Topic-wise) 

The RRB JE CBT 2 Mechanical Engineering Syllabus covers core Mechanical Engineering subjects commonly studied at the diploma level. 

Engineering Mechanics

Candidates should prepare the following topics:

• Resolution of forces

• Equilibrium and equilibrant

• Parallelogram, triangle, polygon law of forces

• Lami's theorem

• Couple and moment of a couple

• Conditions of equilibrium

• Static and dynamic friction

• Angle of friction and angle of repose

• Motion on horizontal and inclined planes

• Moment of inertia

• Radius of gyration

• Newton's laws of motion

• Projectile motion

• D'Alembert's principle

• Law of conservation of energy

• Law of conservation of momentum

Material Science

Important topics include:

• Mechanical properties of engineering materials

• Tensile and compressive strength

• Ductility

• Malleability

• Hardness

• Toughness

• Brittleness

• Fatigue

• Creep resistance

• Classification of steels

• Mild steel

• Alloy steels

• Heat treatment

• Annealing

• Normalizing

• Hardening

• Tempering

• Carburizing

• Nitriding

• Cyaniding

Strength of Materials

Prepare the following concepts:

• Stress and strain

• Stress-strain diagram

• Factor of safety

• Thermal stresses

• Strain energy

• Proof resilience

• Modulus of resilience

• Shear force

• Bending moment

• Cantilever beam

• Simply supported beam

• Fixed beam

• Continuous beam

• Torsion in shafts

• Springs

• Thin cylinder shells

Machining

Study the following topics:

• Working principle of lathe

• Types of lathes

• Engine lathe

• Single-point cutting tool

• Tool geometry

• Tool signature

• Turning

• Facing

• Taper turning

• Thread cutting

• Knurling

• Drilling

• Boring

• Reaming

• Milling

• Gear manufacturing

• Heat treatment of gears

• Shaper

• Slotter

• Planer

• Broaching

Welding

The syllabus includes:

• Classification of welding processes

• Arc welding

• Gas welding

• Welding equipment

• Electrodes

• Welding procedures

• Soldering

• Brazing

• Flame cutting

• Welding defects

• Inspection and testing

• MIG welding

• TIG welding

• CO₂ welding

• Submerged arc welding

• Ultrasonic welding

• Atomic hydrogen welding

Grinding and Finishing Process

Candidates should prepare:

• Metal removal by grinding

• Abrasives

• Grinding wheels

• Grinding machines

• Cylindrical grinding

• Surface grinding

• Tool and cutter grinding

• Centreless grinding

• Wheel balancing

• Honing

• Lapping

• Super finishing

• Electroplating

• Galvanizing

• Tin coating

• Parkerising

• Anodizing

• Metal spraying

• Organic coatings

Metrology

Important topics are:

• Linear measurement

• Slip gauges

• Dial indicators

• Bevel protractor

• Sine bar

• Angle slip gauges

• Mechanical comparators

• Electrical comparators

• Optical comparators

• Pneumatic comparators

• Surface roughness measurement

• Interferometer

• Collimator

• Measuring microscope

• Profile projection

• Shadow projection

Fluid Mechanics and Hydraulic Machinery

Focus on:

• Fluid properties

• Density

• Specific gravity

• Viscosity

• Surface tension

• Compressibility

• Pascal's law

• Pressure measurement

• Buoyancy

• Reynolds number

• Bernoulli's equation

• Venturi meter

• Pitot tube

• Current meter

• Centrifugal pumps

• Pump efficiencies

• Cavitation

• Jet pumps

• Submersible pumps

Industrial Management

Important areas include:

• Job analysis

• Motivation theories

• Performance reward systems

• Production planning and control

• Routing

• Scheduling

• Dispatching

• PERT

• CPM

• Inventory control

• ABC analysis

• Safety stock

• Economic Order Quantity (EOQ)

• Break-even analysis

• Purchasing procedures

• Material handling

• Cranes

• Hoists

• Conveyors

• Fork trucks

Thermal Engineering

Prepare the following topics:

• Laws of thermodynamics

• Heat and work

• Perfect gas laws

• Thermodynamic processes

• Heat transfer

• Thermal conductivity

• Convection

• Radiation

• Stefan-Boltzmann law

• Carnot cycle

• Otto cycle

• Diesel cycle

• Internal combustion engines

• Air compressors

• Refrigeration cycles

• Refrigeration plant

RRB JE CBT 2 Mechanical Engineering Syllabus PDF 2026

The official RRB JE CBT 2 Mechanical Engineering Syllabus PDF 2026 is included in the RRB JE CEN 04/2026 notification under Annexure VIII(D). Candidates can check the latest Mechanical Engineering syllabus, exam pattern, marking scheme, syllabus PDF details, and preparation strategy for CBT 2.

RRB JE CBT 2 Mechanical Engineering Syllabus PDF

Preparation Tips for RRB JE CBT 2 Mechanical Engineering 2026 

A structured preparation strategy can improve your performance in CBT 2.

• Study the complete syllabus before starting revision.

• Prioritise the Mechanical Engineering section, as it carries the highest weightage in CBT 2. 

• Revise Engineering Mechanics, Thermal Engineering, and Strength of Materials regularly.

• Solve previous years' RRB JE question papers.

• Take full-length mock tests regularly to improve speed, accuracy, and time management. 

• Prepare a separate notebook for important formulas, definitions, and standard values for quick revision. 

• Focus on conceptual understanding instead of memorising facts.

• Practise numerical problems from core Mechanical Engineering subjects.

Related Resources 

• RRB JE Syllabus 2026
• RRB JE Exam Pattern 2026
• RRB JE Exam Date 2026
• RRB JE Eligibility Criteria 2026
• RRB JE Previous Year Question Papers
• RRB JE Cut Off 2026
• RRB JE Salary 2026

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