SSC JE Syllabus 2025: The Staff Selection Commission will publish the SSC JE 2025 Notification to select desirable applicants for numerous posts of Junior Engineers in Civil, Electrical & Mechanical disciplines in various departments. Candidates aspiring to ace the SSC JE 2025 with a good score must thoroughly review the syllabus to align their preparation strategy accordingly.
The SSC JE exam consists of Paper 1 and Paper 2, covering a wide range of topics across various subjects. To excel in the preparation for the forthcoming examination, candidates must thoroughly understand the SSC JE Syllabus 2025 to become aware of the important topics and subjects.
The SSC JE Syllabus 2025 includes the topic-wise details of every subject on which the questions will be framed in the examination. The Commission will disclose the detailed syllabus under the official notification; meanwhile, students can refer to the previous year's syllabus, as it usually remains similar. We have outlined a comprehensive SSC JE Syllabus 2025 for Paper 1 & Paper 2 to boost the aspirants' preparation.
The SSC JE Syllabus 2025 is designed to evaluate candidates’ comprehensive abilities in both core technical subjects and general knowledge required for Junior Engineer roles. The syllabus is divided into two main components: General Awareness and General Intelligence & Reasoning, along with a subject-specific section for Civil & Structural, Mechanical, or Electrical Engineering.
Understanding the SSC JE syllabus is crucial for candidates to secure a prestigious government job. By following the official syllabus, aspirants can streamline their preparation, focus on high-yield topics, and maximize their chances of success in this exam.
Candidates are recommended to prepare in accordance with the official syllabus to avoid missing any topics. They must follow a structured study plan to cover the entire syllabus on time and focus on revision.
Check: SSC JE Previous Years Question Papers
The SSC JE Exam will include questions from various subjects at the Diploma level. Aspirants preparing for the SSC JE 2025 must understand the syllabus to prepare effectively. Below, we have compiled a brief overview of the SSC JE Syllabus 2025 for your reference:
SSC JE Syllabus 2025 Overview | |
Conducting Authority | Staff Selection Commission |
Exam Name | SSC Junior Engineer (SSC JE) Exam 2025 |
Eligible Branches | Civil Engineering (Quantity Surveying and Contracts), Mechanical Engineering, Electrical Engineering |
Vacancies | To Be Notified |
Frequency of Exam | Once a Year |
Category | AE/JE Exams |
Level of Exam | National Level Exam |
Application Mode | Online |
Apply Online dates | June 30- July 21, 2025 |
Selection Process | Paper 1 & Paper 2 |
SSC JE Syllabus 2025 | Available Here |
Helpline Number | 180 030 930 63 |
SSC JE 2025 Official Website | www.ssc.gov.in |
The SSC JE Paper 1 will be conducted in computer-based mode and includes 200 questions from General Intelligence & Reasoning, General Awareness, and General Engineering (Civil & Structural, Electrical & Mechanical). Candidates are advised to thoroughly review the detailed syllabus tabulated below to commence their effective preparation for securing the highest score:
SSC JE Paper 1 Syllabus | |
Subject | Topics |
General Intelligence & Reasoning | Classification, Analogy, Coding-Decoding, Paper Folding Method, Matrix, Word Formation, Venn Diagram, Direction and Distance, Blood Relations, Series, Verbal Reasoning, Non-Verbal Reasoning, Seating Arrangement, Puzzles & Seating Arrangement |
General Awareness | Static General Knowledge, Science, Current Affairs, Sports, Books and Authors, Important Schemes, Portfolios, People in the News, History, Culture, Geography, Economics, Awards and Honors |
General Engineering (Civil & Structural), (Electrical & Mechanical) |
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Candidates who pass Paper 1 will be shortlisted to appear for Paper 2, which is a discipline-specific paper. The SSC JE Paper 2 contains questions from various core subjects of the chosen discipline, with a total of 100 questions, awarding a maximum of 300 marks for 2 hours.
The questions will appear from the specific subjects of the Civil, Electrical, and Mechanical branches to test the aspirant's conceptual knowledge in their respective discipline. To prepare for the exam in a structured manner, candidates are advised to carefully review the topic-wise syllabus to perform well in the examination. We have compiled the subject-wise details of topics included under the SSC JE Syllabus for Paper 2 in this section:
The SSC JE Paper 2 Syllabus for Civil Engineers covers a wide range of subjects up to Diploma Level such as Building Materials, Estimating, Costing, and Valuation, Surveying, Soil Mechanics, Hydraulics, Irrigation Engineering, Transportation Engineering, Environmental Engineering, Theory of Structures, Concrete Technology, RCC Design, and Steel Design to evaluate the conceptual understanding and in-depth knowledge of aspirants. The below table provides the topic-wise details of every subject for your convenience:
SSC JE Civil Engineering Syllabus for Tier 2 | |
Subjects | Topics |
Building Materials | Physical and Chemical properties, classification, standard tests, use, and manufacture/quarrying of materials e.g. building stones, silicate-based materials, cement (Portland), asbestos products, timber, and wood-based products, laminates, bituminous materials, paints, varnishes. |
Estimating, Costing, and Valuation |
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Surveying |
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Soil Mechanics |
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Hydraulics | Fluid properties, hydrostatics, measurements of flow, Bernoulli’s theorem and its application, flow through pipes, flow in open channels, weirs, flumes, spillways, pumps, and turbines. |
Irrigation Engineering |
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Transportation Engineering | Highway Engineering – cross-sectional elements, geometric design, types of pavements, pavement materials – aggregates and bitumen, different tests, Design of flexible and rigid pavements – Water Bound Macadam (WBM) and Wet Mix Macadam (WMM), Gravel Road, Bituminous construction, Rigid pavement joint, pavement maintenance, Highway drainage, Railway Engineering- Components |
The SSC JE Paper 2 Syllabus for Electrical Engineering comprises a range of core subjects like Basic concepts, Circuit law, Magnetic Circuits, AC Fundamentals, Measurement and measuring instruments, Electrical Machines, Fractional Kilowatt Motors, Single Phase Induction Motors, Synchronous Machines, Generation, Transmission, and Distribution, Estimation and costing, Utilization of Electrical Energy, and Basic Electronics. Candidates can find the topic-wise details of the SSC JE Electrical Engineering Syllabus for Tier 2 in the below table:
SSC JE Electrical Engineering Syllabus for Tier 2 | |
Subjects | Topics |
Basic Concepts | Concepts of resistance, inductance, capacitance, and various factors affecting them. Concepts of current, voltage, power, energy, and their units. |
Circuit law | Kirchhoff’s law, Simple Circuit solution using network theorems. |
Magnetic Circuit | Concepts of flux, MMF, reluctance, Different kinds of magnetic materials, Magnetic calculations for conductors of different configurations e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self, and mutual induction. |
AC Fundamentals | Instantaneous, peak, R.M.S. and average values of alternating waves, Representation of sinusoidal wave form, simple series and parallel AC Circuits consisting of R.L. and C, Resonance, Tank Circuit. Poly Phase system – star and delta connection, 3 phase power, DC, and sinusoidal response of R-Land R-C circuit. |
Measurement and measuring instruments | Measurement of power (1 phase and 3 phase, both active and re-active) and energy, 2 wattmeter method of 3 phase power measurement. Measurement of frequency and phase angle. Ammeter and voltmeter (both moving oil and moving iron type), an extension of range wattmeter, Multimeters, Megger, Energy meter AC Bridges. Use of CRO, Signal Generator, CT, PT, and their uses. Earth Fault detection. |
Electrical Machines | (a) D.C. Machine – Construction, Basic Principles of D.C. motors and generators, their characteristics, speed control, and starting of D.C. Motors. Method of braking motor, Losses, and efficiency of D.C. Machines. (b) 1-phase and 3-phase transformers – Construction, Principles of operation, equivalent circuit, voltage regulation, O.C., and S.C. Tests, Losses, and efficiency. Effect of voltage, frequency, and waveform on losses. Parallel operation of 1-phase/3 phase transformers. Auto transformers. (c) 3-phase induction motors, rotating magnetic field, the principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3-phase induction motors. Methods of braking, the effect of voltage and frequency variation on torque speed characteristics. |
Fractional Kilowatt Motors and Single Phase Induction Motors | Characteristics and applications. |
Synchronous Machines | Generation of 3-phase E.M.F. armature reaction, voltage regulation, parallel operation of two alternators, synchronizing, and control of active and reactive power. Starting and applications of synchronous motors. |
Generation, Transmission, and Distribution | Different types of power stations, Load factor, diversity factor, demand factor, cost of generation, and interconnection of power stations. Power factor improvement, various types of tariffs, types of faults, and short circuit current for symmetrical faults. Switchgears – rating of circuit breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection against earth leakage / over current, etc. Buchholtz relay, Merz-Price system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, various transmission and distribution systems, comparison of conductor materials, and the efficiency of a different system. Cable – Different types of cables, cable ratings, and derating factors. |
Estimation and costing | Estimation of lighting scheme, electric installation of machines, and relevant IE rules. Earthing practices and IE Rules. |
Utilization of Electrical Energy | Illumination, Electric heating, Electric welding, Electroplating, Electric drives, and motors. |
Basic Electronics | Working on various electronic devices e.g. P N Junction diodes, Transistors (NPN and PNP type), BJT, and JFET. Simple circuits using these devices. |
The SSC JE Paper 2 Syllabus for Mechanical Engineering includes a wide range of topics from different technical subjects including the Theory of Machines and Machine Design, Engineering Mechanics and Strength of Materials, Properties of Pure Substances, 1st Law of Thermodynamics, 2nd Law of Thermodynamics, Air standard Cycles for IC engines, the Rankine cycle of steam, etc.
The questions will be framed on the sub-topics of these subjects to analyze the candidate's understanding of the relevant field. You can check the comprehensive syllabus for SSC JE Mechanical Engineering Tier 2 from the below table:
SSC JE Mechanical Engineering Syllabus for Tier 2 | |
Subjects | Topics |
Theory of Machines and Machine Design | Concept of a simple machine, Four bar linkage and link motion, Flywheels and fluctuation of energy, Power transmission by belts – V-belts and Flat belts, Clutches – Plate and Conical clutch, Gears – Type of gears, gear profile and gear ratio calculation, Governors – Principles and classification, Riveted joint, Cams, Bearings, Friction in collars and pivots. |
Engineering Mechanics and Strength of Materials | Equilibrium of Forces, Law of motion, Friction, Concepts of stress and strain, Elastic limit and elastic constants, Bending moments and shear force diagram, Stress in composite bars, Torsion of circular shafts, Buckling of columns – Euler’s and Rankin’s theories, Thin-walled pressure vessels. |
Properties of Pure Substances | p-v & P-T diagrams of pure substance like H2O, Introduction of steam table with respect to steam generation process; definition of saturation, wet & superheated status. Definition of dryness fraction of steam, the degree of superheat of steam. H-s chart of steam (Mollier’s Chart). |
1st Law of Thermodynamics | Definition of stored energy & internal energy, 1st Law of Thermodynamics of cyclic process, Non-Flow Energy Equation, Flow Energy & Definition of Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy Equation. |
2nd Law of Thermodynamics | Definition of Sink, Source Reservoir of Heat, Heat Engine, Heat Pump & Refrigerator; Thermal Efficiency of Heat Engines & co-efficient of performance of Refrigerators, Kelvin – Planck & Clausius Statements of 2nd Law of Thermodynamics, Absolute or Thermodynamic Scale of temperature, Clausius Integral, Entropy, Entropy change calculation of ideal gas processes. Carnot Cycle & Carnot Efficiency, PMM-2; definition & its impossibility. |
Air standard Cycles for IC engines | Otto cycle; plot on P-V, T-S Planes; Thermal Efficiency, Diesel Cycle; Plot on P-V, T-S planes; Thermal efficiency. IC Engine Performance, IC Engine Combustion, IC Engine Cooling & Lubrication. |
Rankine cycle of steam | Simple Rankine cycle plot on P-V, T-S, h-s planes, Rankine cycle efficiency with & without pump work. |
Boilers; Classification; Specification; Fittings & Accessories | Fire Tube & Water Tube Boilers. |
Air Compressors & their cycles | Refrigeration cycles; Principle of a Refrigeration Plant; Nozzles & Steam Turbines |
Properties & Classification of Fluid | Ideal & real fluids, Newton’s law of viscosity, Newtonian and Non-Newtonian fluids, compressible and incompressible fluids. |
Fluid Statics | Pressure at a point. |
Measurement of Fluid Pressure | Manometers, U-tube, Inclined tube. |
Fluid Kinematics | Streamline, laminar & turbulent flow, external & internal flow, continuity equation. |
Dynamics of ideal fluids | Bernoulli’s equation, Total head; Velocity head; Pressure head; Application of Bernoulli’s equation. |
Measurement of Flow Rate Basic Principles | Venturi Meter, Pilot tube, Orifice meter. Hydraulic Turbines: Classifications, Principles. |
Centrifugal Pumps | Classifications, Principles, Performance. |
Production Engineering | Classification of Steels: mild steel & alloy steel, Heat treatment of steel, Welding – Arc Welding, Gas Welding, Resistance Welding, Special Welding Techniques i.e. TIG, MIG, etc. (Brazing & Soldering), Welding Defects & Testing; NDT, Foundry & Casting – methods, defects, different casting processes, Forging, Extrusion, etc., Metal cutting principles, cutting tools, Basic Principles of machining with (i) Lathe (ii) Milling (iii) Drilling (iv) Shaping (v) Grinding, Machines, tools & manufacturing processes. |
In order to familiarize themselves with the detailed paper format, candidates must have a thorough understanding of the SSC JE Exam Pattern 2025. The exam pattern is the crucial component that indicates the structure of the question paper like the number of questions from particular subjects, marks allotted, exam duration, etc. Candidates should carefully review the SSC JE Exam Pattern 2025 for Paper 1 and Paper 2 on this webpage to get familiar with the exam format:
The SSC JE Paper 1 is an objective-based exam consisting of 200 questions carrying 1 mark each. The examination authority will allot 2 hours to complete the paper. Moreover, every incorrect answer leads to a deduction of 0.25 marks as per the negative marking scheme. Below, you can find the detailed SSC JE Exam Pattern 2025 for Paper 1:
SSC JE Paper 1 Exam Pattern 2025 | |||
Papers | Questions | Maximum Marks | Duration |
General Intelligence & Reasoning | 50 | 50 | 2 Hrs. |
General Awareness | 50 | 50 | |
Part –A General Engineering (Civil & Structural) OR | 100 | 100 | |
Part-B General Engineering (Electrical) OR | 100 | 100 | |
Part-C General Engineering (Mechanical) | 100 | 100 | |
Total | 200 | 200 |
The SSC JE Paper 2 will comprise 100 objective-based questions from the specific discipline chosen by applicants. For Paper 2, each correct answer will award 3 marks to candidates and 1 mark will be deducted for every wrong answer. The duration to attempt the paper will be 2 hours.
SSC JE Paper 2 Exam Pattern 2025 | |||
Paper 2 | Questions | Marks | Time |
Part-A General Engineering (Civil & Structural) | 100 | 300 | 2 Hrs. |
OR | |||
Part- B General Engineering (Electrical) | 100 | 300 | 2 Hrs. |
OR | |||
Part-C General Engineering (Mechanical) | 100 | 300 | 2 Hrs. |
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