[PDF] RRB 2021 Syllabus – JE (Electrical) {official}



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RRB (Railways) Paper Pattern, Syllabus & Books
Junior Engineer (JE) – Electrical

RRB 2020 Syllabus – JE (Electrical) – Here in below table we are listing few topics for each section which were asked in previous examination of RRB JE (Electrical) :


General Awareness

 (1)Knowledge of Current affairs
 (2)Indian geography
 (3)culture and history of India including freedom struggle
 (4)Indian Polity and constitution
 (5)Indian Economy
 (6)Environmental issues concerning India and the World
 (8)General scientific and technological developments

General Science

 (3)Life Sciences

General Intelligence & Reasoning

 (2)Alphabetical and Number Series
 (3)Coding and Decoding
 (4)Mathematical operations
 (8)Venn Diagram
 (9)Data Interpretation and Sufficiency
 (10)Conclusions and Decision Making
 (11)Similarities and Differences
 (12)Analytical reasoning
 (15)Statement – Arguments and Assumptions


 (1)Number systems
 (5)LCM and HCF
 (6)Ratio and Proportion
 (9)Time and Work
 (10)Time and Distance
 (11)Simple and Compound Interest
 (12)Profit and Loss
 (16)Elementary Statistics
 (17)Square Root
 (18)Age Calculations
 (19)Calendar & Clock
 (20)Pipes & Cistern


General Awareness

 (1)Knowledge of Current affairs
 (2)Indian geography
 (3)culture and history of India including freedom struggle
 (4)Indian Polity and constitution
 (5)Indian Economy
 (6)Environmental issues concerning India and the World
 (8)General scientific and technological developments

Basics of Computers and Applications

 (1)Architecture of Computers
 (2)input and Output devices
 (3)Storage devices
 (5)Operating System like Windows, Unix, Linux
 (6)MS Office; Various data representation
 (7)Internet and Email
 (8)Websites & Web Browsers
 (9)Computer Virus

General Science

 (3)Life Sciences

Basics of Environment and Pollution Control

 (1)Basics of Environment
 (2)Adverse effect of environmental pollution and control strategies
 (3)Air, water and Noise pollution, their effect and control
 (4)Waste Management
 (5)Global warming
 (6)Acid rain
 (7)Ozone depletion

Electrical Engineering

S.No.SubjectDetailed Syllabus
1.Basic conceptsConcepts of resistance, inductance, capacitance, and various factors affecting them. Concepts of current,
voltage, power, energy and their units.
2.Circuit lawKirchhoff‘s law, Simple Circuit solution using network theorems.
3.Magnetic CircuitConcepts of flux, mmf, reluctance, Different kinds of magnetic materials, Magnetic calculations for
conductors of different configuration e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self and mutual
4.AC FundamentalsInstantaneous, 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.
5.Measurement and measuring instrumentsMeasurement 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), extension of range wattmeter, Multimeters, Megger, Energy meter AC
Bridges. Use of CRO, Signal Generator, CT, PT and their uses. Earth Fault detection.
6.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 wave form on losses. Parallel operation of 1 phase /3 phase
transformers. Auto transformers. (c) 3 phase induction motors, rotating magnetic field, principle of operation, equivalent
circuit, torque-speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, effect of
voltage and frequency variation on torque speed characteristics, Fractional Kilowatt Motors and Single Phase Induction
Motors: Characteristics and applications.
7.Synchronous MachinesGeneration of 3-phase e.m.f. armature reaction, voltage regulation, parallel operation of two
alternators, synchronizing, control of active and reactive power. Starting and applications of synchronous motors.
8.Generation, Transmission and DistributionDifferent types of power stations, Load factor, diversity factor, demand factor,
cost of generation, inter-connection of power stations. Power factor improvement, various types of tariffs, types of faults,
short circuit current for symmetrical faults.
Switchgears and Protection: Rating of circuit breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection
against earth leakage / over current, etc. Buchholz relay, Merz-Price system of protection of generators & transformers,
protection of feeders and bus bars. Lightning arresters, various transmission and distribution system, comparison of
conductor materials, efficiency of different system. Cable – Different type of cables, cable rating and derating factor.
9.Estimation and costingEstimation of lighting scheme, electric installation of machines and relevant IE rules. Earthing
practices and IE Rules.
10.Utilization of Electrical EnergyIllumination, Electric heating, Electric welding, Electroplating, Electric drives and motors.
11.Basic ElectronicsWorking of various electronic devices e.g. P N Junction diodes, Transistors (NPN and PNP type), BJT
and JFET. Simple circuits using these devices.

Syllabus for Electrical & Allied Engineering Exam Group – JE

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RRB (Railways) Technical Guide Books

RRB JE Mechanical Engineer 2019 ( 2 Stage)
Paperback: 676 pages; Language: English; Product Dimensions: 28 x 21 x 2 cm
₹ 351
Indian Railways Junior Engineer CIVIL Recruitment Exam
Paperback: 519 pages; Language: English; Product Dimensions: 28 x 21 x 2 cm
₹ 371
RRB JE Electronics Engineer 2019 ( 2 Stage)
Paperback: 598 pages; Language: English; Product Dimensions: 28 x 21 x 2 cm
₹ 331

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