RRB JE Syllabus & Exam Pattern 2026 – CBT 1, CBT 2 & Technical Syllabus

Resolution and composition of forces, moment of force, equilibrium, friction, centroid and centre of gravity, and simple machines.

Basic building components, substructure and superstructure, load-bearing structures, framed structures and composite structures.

Properties and uses of stones, bricks, mortar and timber. Other important materials such as glass, plastic, fibre, aluminium, steel, galvanized iron, bitumen, PVC, CPVC and PPF.

Site and job layout, earthwork, different types of foundations, dewatering methods, coffer dams and bearing capacity of soil.

Stone and brick masonry, hollow concrete block masonry, composite masonry, cavity walls, doors and windows, stairs, lifts and escalators, scaffolding and shoring.

Different types of floor finishes and their laying methods, plastering, pointing and painting of walls, and roofing materials including RCC roofs.

Causes and types of cracks in buildings, repair techniques such as grouting, guniting and epoxy treatment, causes of settlement, remedial measures and re-barring techniques.

Drawing conventions, different types of lines and symbols, principles of building planning for residential and public buildings, plans, elevations, sections, site plans, location plans, foundation plans, working drawings and perspective drawings.

Properties and grades of cement, characteristics of fine and coarse aggregates, concrete mixers, proportioning of concrete, properties of fresh and hardened concrete, mix design, concrete testing and quality control. Batching, transportation, placing, compaction, curing, waterproofing, admixtures, Ready Mix Concrete (RMC), prestressed concrete and fibre-reinforced concrete.

Chain surveying, cross-staff surveying and plane table surveying, ranging, triangulation and chaining, errors in surveying, area calculation, compass surveying, levelling with dumpy level, theodolite surveying, contouring, tacheometric surveying, Total Station, modern surveying instruments, aerial surveying and remote sensing.

Basics of CAD software such as AutoCAD, Auto Civil and 3D Max, commonly used CAD commands, and preparation of building plans, elevations and sections.

Applications of soil mechanics in foundation and pavement design, earth retaining structures, bearing capacity of soil, permeability, seepage, shear strength, soil compaction and stabilization, site investigation and sub-soil exploration.

Properties of fluids, hydrostatic pressure, measurement of pressure in pipes, fundamentals of fluid flow, flow through pipes and open channels, flow measuring devices and hydraulic machines.

Basics of hydrology, investigation and planning of reservoirs, percolation tanks and diversion head works.

Stress and strain, shear force and bending moment, moment of inertia, stresses in beams and analysis of trusses.

Direct and bending stresses, slope and deflection, fixed beams, continuous beams, moment distribution method and columns.

Working Stress Method and Limit State Method, analysis and design of singly and doubly reinforced sections, shear, bond and development length, design of beams and slabs, and axially loaded columns.

Types and grades of steel sections, strength characteristics, relevant IS Code provisions, design of tension and compression members, steel roof trusses, beams and columns.

Railway alignment and gauges, permanent way, railway track geometry, branching of tracks, stations and yards, and track maintenance.

Road engineering, investigation for road projects, geometric design of highways, pavement construction and materials, traffic engineering, hill roads, road drainage, maintenance and repair of roads.

Environmental pollution and its control, public water supply, domestic sewage, solid waste management, environmental sanitation and plumbing systems.

Fibre-reinforced concrete, polymer fibres and plastics, artificial timber, underwater concreting, Ready Mix Concrete, special concrete, formwork and prefabricated construction. Soil reinforcement techniques, hoisting and conveying equipment, earth-moving machinery, excavation and compaction equipment, concrete mixers, pile-driving equipment, hot mix bitumen plants, bitumen pavers and floor polishing machines.

Approximate and detailed estimates, methods of measurement and rate analysis.

Different types of engineering contracts, tendering and tender documents, payment procedures and technical specifications.

Fundamentals of resistance, inductance and capacitance, factors affecting these electrical quantities, current, voltage, power and energy, along with their units and basic relationships.

Kirchhoff’s Current Law (KCL), Kirchhoff’s Voltage Law (KVL), basic circuit analysis and solving simple electrical circuits using network theorems.

Magnetic flux, magnetomotive force (MMF), reluctance, types and properties of magnetic materials, magnetic calculations for different conductor arrangements, magnetic fields around straight and circular conductors, solenoids, electromagnetic induction and mutual induction.

Instantaneous, maximum, RMS and average values of alternating quantities, sinusoidal waveforms, series and parallel AC circuits containing R, L and C, resonance, tank circuits, polyphase systems, Star and Delta connections, three-phase power and the response of R-L and R-C circuits.

Measurement of single-phase and three-phase power, active and reactive power, wattmeter methods, frequency and phase-angle measurement, moving-coil and moving-iron instruments, range extension using shunts and multipliers, energy meters, AC bridges, CRO, signal generators, Current Transformers (CT), Potential Transformers (PT) and their applications.

This section covers the basic working and important characteristics of different electrical machines.

• DC Machines: Construction, working principle, characteristics, starting methods, speed control, losses, efficiency, braking and voltage regulation.
• Transformer: Construction, operating principle, losses, efficiency, voltage regulation, testing and applications.
• Induction Motor: Construction, working principle, starting, speed control, torque-slip characteristics, losses, efficiency, braking and applications.
• Single-Phase Induction Motor: Working characteristics and practical applications.

Generation of three-phase EMF, armature reaction, voltage regulation, parallel operation of alternators, synchronization, control of active and reactive power, starting methods and applications of synchronous motors.

Types of power stations, load factor, diversity factor and demand factor, cost of power generation, electricity tariffs, electrical faults, symmetrical short-circuit current, switchgear and protection, protective relays, arc extinction, HRC fuses, lightning protection, overcurrent protection, Buchholz relay, transmission systems, distribution systems, conductor materials, distribution efficiency, cable types and ratings, and earthing practices.

Estimation of electrical lighting installations, electrical installation of machines, basic electrical installation rules, earthing requirements and important IE rules related to electrical work.

Applications of electrical energy in illumination, electric heating, electric welding, electroplating, electric drives and electrical motors.

Working principles of common electronic devices, P-N junction diodes, NPN and PNP transistors, BJT, JFET and simple electronic circuits based on these components.

Conductors, semiconductors and insulators, magnetic materials, materials used for joining and cleaning UG copper cables and optical fibre cables, rechargeable and non-rechargeable cells and batteries, relays, switches, MCBs and electrical connectors.

P-N junction diodes, thyristors, different types of diode circuits, junction transistors, amplifiers, oscillators, multivibrators, converters, inverters and UPS systems.

Number systems, binary codes, Boolean algebra, basic and universal logic gates, combinational and sequential logic circuits, Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters, counters and memory devices.

Basics of operational amplifiers, linear and non-linear applications of op-amps, voltage regulators, electronic timers and Phase-Locked Loop (PLL).

Introduction to microprocessors, architecture and working of the 8085 microprocessor, assembly language programming, peripheral devices, other commonly used microprocessors and fundamentals of microcontrollers.

Measurement systems, basic measurement principles, methods for extending the range of measuring instruments, Cathode Ray Oscilloscope (CRO), LCD and LED displays, and different types of transducers.

Basic concepts of electronic communication, modulation techniques, multiplexing, wave propagation, transmission line characteristics, fundamentals of Optical Fibre Communication (OFC), public address systems, electronic exchanges, radar systems, cellular communication and satellite communication.

Fundamentals of data communication, communication hardware and interfaces, computer networks and networking devices, Local Area Network (LAN), Wide Area Network (WAN) and internetworking concepts.

Basic programming concepts, fundamentals of C and C++, operators, control statements, functions, arrays, strings and pointers, file handling, data structures and Database Management Systems (DBMS).

DC circuits, fundamentals of AC circuits, magnetic, thermal and chemical effects of electric current, electrical earthing, installation, maintenance and testing of electrical systems.

Resolution and composition of forces, equilibrium and equilibrium equations, parallelogram and triangle laws of forces, polygon law, Lami’s theorem, couples and moments, equilibrium of rigid bodies, friction including dry and rolling friction, dynamics of particles, Newton’s laws of motion, D’Alembert’s principle, work, power and energy, conservation of energy and projectile motion.

Mechanical properties of engineering materials such as tensile strength, compressive strength, ductility, malleability, hardness, toughness and brittleness. Stress-strain behaviour, creep resistance, classification of steels, mild steel and alloy steels, importance of heat treatment and major heat treatment processes including annealing, normalising, hardening, tempering, carburising, nitriding and cyaniding.

Stress and strain, stress-strain diagrams, factor of safety, thermal stresses, strain energy, proof resilience and modulus of resilience, shear force and bending moment diagrams, torsion of shafts and springs, bending stresses in beams, columns and struts.

Working principle and types of lathes, cutting tool materials, single-point and multi-point cutting tools, common machining operations such as turning, facing, taper turning, threading, knurling, drilling, boring, reaming and keyway cutting. Milling, shaping, planing, grinding, cutting fluids and basic workshop tools.

Basic concepts and classification of welding processes, advantages and limitations of welding, arc welding and gas welding, including oxy-acetylene welding, welding equipment and electrodes, welding procedures, soldering and brazing, common welding defects, weld testing and inspection, and basic concepts of MIG and TIG welding.

Grinding using abrasive wheels, natural and artificial abrasives, cylindrical grinding, surface grinding, tool and cutter grinding, honing, lapping and superfinishing. Surface treatment methods such as electroplating, anodizing, galvanizing, metal spraying, powder coating and other finishing processes.

Linear and angular measurements, slip gauges, dial indicators, bevel protractors, sine bars, limits, fits and tolerances, surface roughness measurement, comparators, optical measuring instruments, interferometry, gauges and inspection of machine components.

Basic properties of fluids including density, specific gravity, viscosity, surface tension and compressibility. Pressure measurement, Pascal’s law, buoyancy, fluid flow, Bernoulli’s equation, flow measurement, hydraulic turbines and pumps, centrifugal and reciprocating pumps, efficiency and cavitation.

Job analysis, employee motivation and incentive methods, productivity, production planning and control, inventory management, ABC and VED analysis, quality control, work study, plant layout, stores management, purchasing procedures and material handling equipment.

Laws of thermodynamics, heat transfer through conduction, convection and radiation, steam boilers and engines, internal combustion (IC) engines, gas turbines, refrigeration and air conditioning, compressors and important thermodynamic cycles such as Carnot, Otto, Diesel and Brayton cycles. Performance and efficiency analysis of thermal systems.

Different types of measurement errors, accuracy of measurements and the importance of accurate results in scientific and technical work.

Basic principles of light, reflection and refraction, laws of reflection, total internal reflection, interference, diffraction and polarisation. Image formation using microscopes and telescopes, along with the electromagnetic spectrum.

Thermal equilibrium, temperature scales, calorimetry, specific heat and latent heat, anomalous expansion of water, combustion, calorific value and specific heat of gases.

Sources and production of sound, propagation of sound, speed of sound in different media, characteristics of sound, reflection, echo, resonance, SONAR and Doppler effect.

Scalars and vectors, laws of motion, friction, projectile motion, range and equations of motion under gravity, work, power and energy, conservation of energy, centre of mass, stability and equilibrium, gravitation, circular motion and Kepler’s laws.

Magnetic fields, uniform and non-uniform fields, magnetic induction, magnetic lines of force, magnetic pole strength, magnetic moment, inverse square law and properties of magnetic materials.

Electric charge, electric field and intensity, electric potential, Coulomb’s law, primary and secondary cells, Ohm’s law, resistance in series and parallel, specific resistance, Kirchhoff’s laws, electrical energy and power, heating effect of current, electromagnetic induction, magnetic flux, Lenz’s law, generators, alternating current, inductance and basic transformer principles.

Discharge of electricity through gases, cathode and anode rays, X-rays, atomic models, nuclear structure, radioactivity and artificial radioactivity, isotopes and isobars, nuclear reactions, nuclear fission and fusion, and basic concepts related to nuclear weapons.

Semiconductor devices, diodes and P-N junction characteristics, PNP and NPN transistors, amplifiers, oscillators, logic gates and their applications, modulation and demodulation.

States of matter, elements, compounds and mixtures, methods of separation, chromatographic techniques, behaviour and measurable properties of gases, gas laws, mole concept, Dalton’s law and Avogadro’s law.

Physical and chemical changes, different types of chemical reactions, chemical properties and calculations, preparation and properties of commonly used compounds such as sodium hydroxide, bleaching powder, baking soda, washing soda and Plaster of Paris.

Strength and applications of acids and bases, neutralisation reactions, properties and uses of different salts, water of crystallisation, complex, neutral and double salts, oxidation and reduction reactions, and identification of acids and bases.

Electromagnetic spectrum, structure of an atom, electrons, protons and neutrons, Rutherford and Bohr atomic models, energy levels, quantum numbers, orbitals, de Broglie hypothesis, uncertainty principle and wave-particle duality.

Classification and characteristics of elements and groups, importance of atomic number, s-block, p-block, d-block and f-block elements, periodic trends and important chemical properties.

Ionic and covalent bonds, bond length and bond angle, hybridisation, molecular structures of H₂O, BF₃, CH₄ and NH₃, hydrogen bonding and different types of chemical bonds.

Classification of organic compounds, hydrocarbons, alkanes, alkenes and alkynes, aromatic compounds, homologous series, functional groups and basic nomenclature. Important organic substances such as carbohydrates, proteins and polymers, including rubber and plastics, along with their uses.

Major forms of environmental pollution, including air, water and soil pollution, acid rain, ozone layer depletion, greenhouse effect, global warming and the basic principles of green chemistry.

Occurrence of metals, ores and minerals, methods of metal extraction, refining techniques, electrolytic refining, corrosion and methods of corrosion prevention, alloys and their important applications.