SSC JE Syllabus 2026: Complete Syllabus & Exam Pattern for Paper 1 and 2

System of forces, free-body diagrams, equilibrium equations, internal forces in structures, friction and its applications, centre of mass and moment of inertia.

Bending moment and shear force in statically determinate beams, simple stress and strain relationships, simple bending theory, flexural and shear stresses, uniform torsion, buckling of column, combined and direct bending stresses.

Statically determinate and indeterminate structures, method of superposition, analysis of trusses, arches, beams, cables and frames, slope deflection method, moment distribution method and influence lines.

Bricks, stones, timber, steel, cement, aggregates, plastics, polymers, glass, concrete, concrete mix design and testing of concrete. Construction projects, project planning, network analysis, PERT and CPM.

Fundamentals of estimating, cost estimates for works, rate analysis, valuation and detailed estimates.

Working stress and Limit State design concepts, design of beams, slabs and columns, foundations and retaining walls, bond and development length.

Working stress and Limit State design concepts, bolted connections, welds, design of tension members, compression members and beams, and concept of plastic analysis of beams and frames.

Principles of surveying, errors and their adjustment, maps and scale, coordinate system, distance and angle measurement, chain and compass survey, plane table surveying, levelling, trigonometric levelling, traversing, triangulation, Total Station, tacheometric surveying, theodolite surveying and advanced surveying equipment.

Three-phase system and phase relationships, index properties, Unified and Indian Standard soil classification, permeability, seepage, flow nets, uplift pressure, piping, capillarity, seepage force, effective stress, quicksand condition, compaction, consolidation, shear strength, Mohr’s circle and stress-strain characteristics of clays and sand.

Properties of fluids, fluid statics, continuity, momentum and energy equations, laminar and turbulent flow, flow in pipes, pipe networks and concept of lift and drag.

Forces on immersed bodies, flow measurement in channels and pipes, energy-depth relationships, specific energy, critical flow, hydraulic jump and uniform flow.

Hydrologic cycle, precipitation, evaporation, evapotranspiration, watershed, infiltration, unit hydrographs, hydrograph analysis, reservoir capacity, flood estimation and routing, groundwater hydrology, well hydraulics, aquifers and application of Darcy’s Law.

Types of irrigation systems and methods, crop water requirements, duty, delta, evapotranspiration, gravity dams, spillways, lined and unlined canals and cross drainage structures.

Physical, chemical and biological water quality parameters, water quality index, unit processes and operations, water requirement, water distribution systems, drinking water treatment, sewerage system design, domestic wastewater, primary and secondary treatment, effluent discharge standards, sludge disposal and reuse of treated sewage.

Types of pollutants, their sources and impacts, air pollution control, air quality standards, Air Quality Index and prescribed limits.

Characteristics, generation, collection and transportation of solid wastes and engineered systems for solid waste management including reuse, recycling, energy recovery, treatment and disposal.

Geometric design of highways including cross-sectional elements, sight distances, horizontal and vertical alignments. Geometric design of railway track including speed and cant.

Highway materials, desirable properties and tests, bituminous paving mixes, design factors for flexible and rigid pavements and pavement design using IRC codes.

Traffic studies on flow and speed, peak hour factor, accident study, fundamental relationships, traffic signs, signal design by Webster’s method, types of intersections and highway capacity.

Electrical circuit elements including resistors, capacitors, inductors and batteries, factors affecting their values and performance, voltage, current, power, energy, flux and their units.

Kirchhoff’s Current Law (KCL), Kirchhoff’s Voltage Law (KVL), node analysis and mesh analysis.

Thevenin’s theorem, Norton’s theorem, Superposition theorem and Maximum Power Transfer theorem.

Magnetic flux, reluctance, self and mutual inductance, magnetomotive force and magnetic circuits.

RMS and average values of alternating waves, series and parallel A.C. circuits, resonance, balanced three-phase circuits, Star-Delta transformation, complex power and power factor in A.C. circuits.

Measurement of voltage, current, power and power factor, classification of instruments, types of errors, galvanometer, ammeter, voltmeter, wattmeter, Wheatstone bridge, Kelvin’s double bridge, energy meter, Megger, electronic energy meter, CT, PT and their uses.

Single-phase and three-phase transformers, DC machines, types and characteristics of DC machines, losses, efficiency and applications. Single-phase and three-phase induction motors, starting, speed control, electrical braking and torque-speed characteristics.

Fractional motors, servomotors, armature reaction, parallel operation of generators and synchronization.

Types of power stations, load factor, demand factor, diversity factor, power factor and its improvement, transmission and distribution lines, transmission line parameters, corona effect, Ferranti effect, circuit breakers, protection of generators and transformers, coaxial cables, ratings and efficiency.

Estimation of lighting schemes, electrical installation of machines, relevant IE Rules and earthing practices.

Illumination, electric heating, electric welding, electroplating, electric traction and drives.

P-N junction diodes, rectifiers and wave-shapers, clipping, clamping, BJT and FET transistors, transistor characteristics, amplifiers and oscillators.

Static V-I characteristics of thyristor, firing and gating circuits for thyristor, DC to DC conversion including Buck, Boost and Buck-Boost converters, and single-phase half-controlled, full-controlled and midpoint-controlled rectifiers.

Free body diagrams, equilibrium, resultant of forces, Lami’s theorem, laws of friction, sliding and rolling friction, centroid of geometrical plane figures and centre of gravity of simple solids.

Simple stress and strain, types of beams, shear force and bending moment, simple bending and deflection of beams, torsion of shafts and thin cylindrical shells.

Cams and followers, belt, chain and rope drives, gear drives, gear trains, flywheels and governors, balancing and vibration, brakes, dynamometers, clutches and bearings.

Types of loads and stresses, creep and fatigue, theories of failure, cotter joint, knuckle joint, lever and crank, antifriction bearing, sunk key, shaft, couplings, spur gear, power screw, springs, screw fasteners, bolted joints and welded joints.

Crystal structure and bonds, Iron-Carbon phase diagram, heat treatment of steel, types of cast iron and steels, major non-ferrous alloys, material properties and testing, non-destructive testing and corrosion.

Sources of energy, laws of thermodynamics, thermal power plant, heat pump, heat engine and refrigerator, steam generators, impulse and reaction steam turbines, cooling tower, internal combustion engines, air compressor, refrigeration and air conditioning, gas turbine, jet propulsion, properties of steam, steam nozzle, heat transfer and heat exchanger.

Properties of fluid, fluid flow, flow through pipes, continuity equation, impact of jets on plates and curved vanes, hydraulic turbine and power plant, centrifugal pumps and reciprocating pumps.

Site selection and plant layout, work study, work measurement, production planning and control, statistical quality control and inventory control.

Manufacturing processes and related engineering concepts as prescribed in the official syllabus, including conventional and modern manufacturing practices.

Precision, accuracy, sensitivity, repeatability, range, calibration, linear and angular measurement, comparators, form and surface finish measurement, CMM, limits, fits and tolerances and interchangeability.

Jigs and fixtures, CNC milling machine and machining centre, PLC, special purpose machines, non-traditional machining processes such as EDM, ECM, AJM, LBM and EBM, fundamentals of CAD/CAM, industrial robot configurations and Flexible Manufacturing Systems (FMS).

Discrete Mathematics including propositional and first-order logic, sets, relations, functions, partial orders, lattices, monoids, groups, graphs and combinatorics. Linear algebra, matrices, determinants, systems of linear equations, eigenvalues, eigenvectors and LU decomposition. Calculus including limits, continuity, differentiability, maxima and minima, mean value theorem and integration. Probability and statistics including random variables, probability distributions, mean, median, mode, standard deviation, conditional probability and Bayes’ theorem.

Boolean algebra, combinational and sequential circuits, minimization, number representations and computer arithmetic including fixed-point and floating-point representation.

Machine instructions and addressing modes, ALU, data-path and control unit, instruction pipelining, pipeline hazards, memory hierarchy including cache, main memory and secondary storage, I/O interface, interrupt and DMA mode.

Programming in C, recursion, arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps and graphs.

Searching, sorting, hashing, asymptotic worst-case time and space complexity, greedy algorithms, dynamic programming, divide-and-conquer, graph traversals, minimum spanning trees and shortest paths.

Regular expressions, finite automata, context-free grammars, push-down automata, regular and context-free languages, pumping lemma, Turing machines and undecidability.

Lexical analysis, parsing, syntax-directed translation, runtime environments, intermediate code generation, local optimization and data flow analysis including constant propagation, liveness analysis and common subexpression elimination.

System calls, processes, threads, inter-process communication, concurrency and synchronization, deadlock, CPU and I/O scheduling, memory management, virtual memory and file systems.

ER model, relational model, relational algebra, tuple calculus, SQL, integrity constraints, normal forms, file organization, indexing including B and B+ trees, transactions and concurrency control.

OSI and TCP/IP protocol stacks, packet, circuit and virtual circuit switching, data link layer, framing, error detection, medium access control, Ethernet bridging, routing protocols, IPv4, CIDR, ARP, DHCP, ICMP, NAT, transport layer, UDP, TCP, sockets and application layer protocols including DNS, SMTP, HTTP, FTP and Email.

Conductors, semiconductors, insulators, magnetic materials, passive components and characteristics of resistors, capacitors and inductors.

PN junction diode, forward and reverse bias characteristics, equivalent circuits, Zener diode and applications, clipping, clamping and rectifier circuits using diodes.

BJT, FET and MOSFET, biasing and stability, emitter follower and applications, negative feedback and transistor as a switch.

Multistage amplifiers, feedback, oscillators, multivibrators and power amplifiers.

Basic concepts and principles of voltage regulation.

Kirchhoff’s laws, Superposition theorem, Thevenin’s theorem, Norton’s theorem and Maximum Power theorem.

Voltage and current relationships in resistance, inductance and capacitance, reactance, susceptance, conductance, impedance and admittance in series and parallel RL, RC and RLC circuits.

Three-phase supply, star and delta connection diagrams and relation between line and phase voltages and currents.

Series and parallel resonance circuits, condition of resonance, resonant frequency, Q factor and bandwidth.

Logic gates, De Morgan’s theorem, Boolean algebra, digital logic circuits, systems and codes.

Flip-flops, shift registers, frequency counters and combinational logic design.

Basic concepts of Digital-to-Analog and Analog-to-Digital converters and timing circuits.

Basic antenna principle, directive gain, directivity, radiation pattern, broadside and end-fire arrays, Yagi antenna and parabolic antenna.

Ground wave propagation, space waves and ionosphere propagation.

Frequency spectrum and its basic classification.

Modulation and its types, Amplitude Modulation (AM), modulation index, power relation in AM and generation and demodulation of AM.

Power requirement compared with AM, advantages of SSB, balanced modulator, generation of SSB, pilot carrier system, independent side system and vestigial sideband transmission.

Definition of FM, bandwidth, noise triangle, pre-emphasis and de-emphasis.

Pulse modulation, difference between AM and FM, radio receivers, sampling theorem, PAM, PTM, PWM, PPM, pulse code modulation, quantization noise, companding, PCM system, differential PCM and Delta modulation.

Frequency Division Multiplexing (FDM) and Time Division Multiplexing (TDM).

PSK, ASK, FSK, introduction to fibre optics system, propagation of light in optical fibre and ray model.

Propagation of signals at HF, VHF, UHF and microwave frequencies and satellite communications.

Calculus, integral calculus, differential equations, Fourier series, Taylor expansion, vector algebra, vector calculus, integral theorems, linear algebra, complex numbers, statistics and error analysis.

Classical mechanics and fundamental principles related to motion, forces and physical systems.

Fundamental physical properties of matter and related concepts.

Basic principles and characteristics of oscillatory motion.

Wave motion and fundamental wave phenomena.

Fundamental concepts of geometrical and physical optics.

Fundamental concepts and principles of electricity and electrical phenomena.

Magnetic fields, magnetic properties and fundamental laws of magnetism.

Basic kinetic theory concepts and behaviour of matter at the microscopic level.

Fundamental laws and principles of thermodynamics.

Fundamental concepts of modern physics and related physical phenomena.

Crystal structure, unit cell, lattice parameters, Bravais lattices, Miller indices, X-ray diffraction, Bragg’s law, band theory, conductors, semiconductors, insulators, energy bands, Fermi energy and intrinsic and extrinsic semiconductors.

PN junction diode, diode characteristics, Zener diode and applications, rectifiers, bipolar junction transistors and CB, CE and CC configurations.

Single-stage amplifiers, two-stage RC-coupled amplifiers, oscillators, Barkhausen condition, operational amplifiers and applications, inverting and non-inverting amplifiers, integrator and differentiator, Boolean algebra, binary number system, number system conversion, binary addition and subtraction, logic gates and De Morgan’s theorem.

Linear Algebra, vector spaces, basis, linear dependence and independence, matrix algebra, eigenvalues and eigenvectors, rank, null space and solutions of linear equations. Calculus, differential equations, vector analysis, complex analysis, probability and statistics.

Node and mesh analysis, Superposition theorem, Thevenin’s theorem, Norton’s theorem, Tellegen’s theorem, sinusoidal steady-state analysis, phasors, complex power, maximum power transfer theorem, transient analysis of RL, RC and RLC circuits, Laplace transform and two-port network parameters.

Continuous-time signals, Fourier series, Fourier transform, Laplace transform, sampling theorem, convolution and inverse transforms. Discrete-time signals including DTFT, DFT and Z-transform.

Basic electronic devices and semiconductor concepts as prescribed for the Telecommunication Engineering subject.

Fundamental analog electronic circuits and their analysis as covered under the prescribed Telecommunication Engineering syllabus.

Digital logic and digital circuit concepts included in the Telecommunication Engineering syllabus.

Fundamental concepts of control systems and system analysis.

Fundamental principles and concepts of analog communication systems.

Fundamental concepts and techniques used in digital communication systems.

Fundamental concepts and principles of electromagnetic fields and their applications in communication engineering.