Syllabus

RRB JE Syllabus 2026 – CBT 1 & CBT 2 Complete Topic-wise Guide

RRB JE सिलेबस 2026 – CBT 1 और CBT 2 की पूरी topic-wise जानकारी

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Quick Summary

  • RRB JE 2026 exam has two CBT stages
  • CBT 1: 100 questions in 90 minutes covering Maths (30), Reasoning (25), General Awareness (15), General Science (30)
  • CBT 2: 150 questions in 120 minutes with 100 Technical Ability questions (trade-specific)
  • Negative marking 1/3 in both
  • Document verification and medical after CBT 2

RRB JE Syllabus 2026 – CBT 1 and CBT 2 Complete Breakdown with Department-wise Technical Topics

RRB JE is a two-stage CBT exam — and the two stages are very different from each other in what they test. CBT 1 is a general engineering aptitude screen: Maths, Reasoning, General Science, and General Awareness. Most engineering graduates can clear CBT 1 with 4–8 weeks of focused preparation. CBT 2 is where the real differentiation happens — it has 100 marks of technical ability questions specific to your engineering discipline (Civil, Electrical, Mechanical, Signal & Telecom, Computer Science/IT, Electronics). How well you know your undergraduate engineering subjects determines your CBT 2 score and ultimately your rank.

This article gives you the complete topic list for both stages, department-wise technical breakdowns, the negative marking rules, and an honest strategy note on which sections to prioritise.

RRB JE Exam Pattern 2026 – Both Stages at a Glance

ParameterCBT 1 (Stage I)CBT 2 (Stage II)
PurposeQualifying / Screening stageMain ranking stage
Total Questions100150
Total Marks100150
Duration90 minutes120 minutes
Negative Marking1/3 mark deducted per wrong answer1/3 mark deducted per wrong answer
MediumEnglish and Hindi (and regional languages)English and Hindi (and regional languages)
Question TypeMCQ — 4 options, 1 correctMCQ — 4 options, 1 correct
After CBT 2Document Verification + Medical Examination

Important: Unlike CTET which has no negative marking, RRB JE deducts 1/3 mark for every wrong answer in both CBT 1 and CBT 2. This changes the strategy fundamentally — do not guess randomly. For any question where you can eliminate at least two options (leaving a 50-50 choice), attempting is mathematically beneficial. For questions where you have no idea, leave them blank.

CBT 1 Syllabus – Section-wise Breakdown

SectionQuestionsMarksKey Topics
Mathematics3030Number system, BODMAS, decimals, fractions, LCM/HCF, ratio, percentage, mensuration, time & work, speed & distance, simple & compound interest, algebra basics, geometry, trigonometry basics, statistics
General Intelligence and Reasoning2525Analogies, series completion, coding-decoding, syllogism, Venn diagrams, data sufficiency, blood relations, directions, classification, puzzles, non-verbal reasoning (mirror/water images, embedded figures)
General Awareness1515Current affairs (last 6 months), Indian geography, history, polity, economy, sports, science & technology news, Railway news and developments
General Science3030Physics: mechanics, heat, light, sound, electricity, magnetism. Chemistry: matter, metals/non-metals, acids/bases/salts, reactions, basic organic chemistry. Life Sciences: cell, plants, animals, human body, diseases, nutrition

Mathematics (30 marks) – What to Focus On

RRB JE Maths in CBT 1 covers Class 10–12 level topics, not engineering mathematics. The difficulty level is moderate — this is not JEE-level algebra or calculus. Candidates from science stream who have cleared 12th comfortably should not find CBT 1 Maths challenging. The topics to pay extra attention to:

  • Percentage and Ratio: 4–6 questions guaranteed. Practice data interpretation sets where these concepts appear together.
  • Time, Work, Speed and Distance: Classic formula-based questions — consistently tested. 3–5 questions.
  • Mensuration: Areas and volumes of 2D and 3D shapes. 3–4 questions — these require knowing the correct formulae and being quick with calculations.
  • Number System: HCF, LCM, divisibility, unit digit, remainders — 2–4 questions.
  • Algebra and Trigonometry Basics: Identity-based simplifications, basic sin/cos/tan values. 3–4 questions.

General Science (30 marks) – The Most Important CBT 1 Section

General Science has the highest marks in CBT 1 (30 out of 100). It tests Physics, Chemistry, and Life Sciences at approximately Class 9–10 NCERT level. Do not ignore this section — many engineering graduates, ironically, do worse in General Science than in Maths because they have not revised basic science concepts since Class 10.

Physics topics (approx 10–12 marks):

  • Newton's laws, friction, work-energy-power, momentum
  • Heat: temperature scales, thermal expansion, specific heat, latent heat
  • Light: reflection, refraction, lenses and mirrors, human eye
  • Sound: types of waves, speed of sound, echo, ultrasound, Doppler effect basics
  • Electricity and Magnetism: Ohm's law, series/parallel circuits, electromagnetic induction basics
  • Modern physics basics: atomic structure, radioactivity concepts (not calculations)

Chemistry topics (approx 8–10 marks):

  • States of matter, physical and chemical changes
  • Metals, non-metals, and metalloids — properties and uses
  • Acids, bases, salts — pH, neutralisation, everyday examples
  • Chemical reactions — types, balancing (conceptual)
  • Basic organic chemistry — hydrocarbons, alcohols, common compounds and their uses
  • Periodic table basics — groups, trends, important element properties

Life Sciences topics (approx 8–10 marks):

  • Cell — structure, organelles, types, cell division basics
  • Plant biology — photosynthesis, respiration, reproduction in plants
  • Animal biology — digestion, respiration, excretion, nervous system
  • Human body — major organ systems and their functions
  • Diseases — bacterial, viral, deficiency diseases; vaccination basics
  • Nutrition and vitamins

General Intelligence and Reasoning (25 marks)

Reasoning in RRB JE CBT 1 is similar to other Railway exams (RRB NTPC, RRB Group D) in difficulty. The question types are standard and predictable:

  • Coding-Decoding: 2–3 questions — recognise the pattern and apply
  • Analogy and Series: Both alphabetic and numeric — 4–5 questions
  • Blood Relations: 2–3 questions — draw family tree to avoid errors
  • Directions and Distances: 1–2 questions — always draw the path
  • Syllogism: 2–3 questions — use Venn diagrams
  • Non-verbal Reasoning: Paper folding, mirror image, embedded figures — 3–4 questions

General Awareness (15 marks)

Only 15 marks but should not be completely ignored — these are often the "free marks" for candidates who follow current affairs. Focus on the last 6 months of news (national and international), Static GK (Indian history, polity, geography basics), and importantly, Railway-related news — Indian Railways budget developments, new train launches, record speed achievements, Railway zones and headquarters are regular sources of GA questions in Railway exams.

CBT 2 Syllabus – Sections and Technical Ability Topics

SectionQuestionsMarksNotes
General Awareness1515Same as CBT 1 GA — current affairs and static GK
Physics and Chemistry1515More focused than CBT 1 — Class 11–12 level in some parts
Basics of Computers and Applications1010Hardware, software, OS basics, internet, networking fundamentals, MS Office basics
Basics of Environment and Pollution Control1010Environmental science: ecology, pollution types, control measures, environmental acts
Technical Ability (trade-specific)100100Your engineering discipline — see detailed breakdown below

Technical Ability – Civil Engineering (100 marks)

  • Engineering Drawing: Projection of lines, planes, and solids; isometric projection; sectional views; development of surfaces
  • Building Materials: Types of stones, bricks, cement, concrete, steel, timber — properties and uses in construction
  • Surveying: Chain surveying, compass surveying, levelling, theodolite, Total Station basics, contour maps
  • Soil Mechanics: Soil classification, index properties, permeability, consolidation, shear strength basics
  • Hydraulics and Fluid Mechanics: Properties of fluids, Bernoulli's theorem, flow in pipes, open channel flow, hydraulic machines basics
  • Irrigation Engineering: Irrigation methods, canals (design basics), dams (types), spillways, reservoirs
  • RCC Design: Working stress method basics, design of beams, slabs, columns — principles (not advanced calculations)
  • Steel Structures: Types of steel sections, design principles of beams and connections
  • Transportation Engineering: Highway design basics, pavement types, traffic engineering fundamentals, Railways track geometry basics
  • Environmental Engineering: Water supply, sewage treatment, solid waste management

Technical Ability – Electrical Engineering (100 marks)

  • Basic Electrical Concepts: Ohm's law, Kirchhoff's laws, network theorems (Thevenin, Norton, Superposition), mesh and nodal analysis
  • AC Fundamentals: RLC circuits, phasors, resonance, power factor, three-phase circuits, power calculations
  • Electrical Machines: Transformers (construction, principles, tests, efficiency), DC machines (types, characteristics, speed control), Induction motors (construction, torque-speed curve, starting methods), Synchronous machines basics
  • Power Systems: Power generation basics (thermal, hydro, nuclear), transmission lines, distribution systems, load flow basics, protection (fuses, circuit breakers, relays)
  • Control Systems: Block diagrams, transfer functions, stability analysis (Routh-Hurwitz, Bode plots basics), PID control
  • Electronics Fundamentals: Semiconductors, diodes, transistors (BJT, FET), amplifiers, oscillators, op-amps basics
  • Electrical Measurements: Measurement of V, I, R, P, energy; instruments (moving coil, moving iron, dynamometer); CTs and PTs

Technical Ability – Mechanical Engineering (100 marks)

  • Engineering Mechanics: Statics (equilibrium, trusses, frames), dynamics (kinematics, kinetics), friction, moment of inertia
  • Strength of Materials: Stress-strain, bending moment and shear force diagrams, bending stress, torsion, deflection of beams, columns and struts
  • Theory of Machines: Mechanisms, velocity and acceleration analysis, gears, flywheels, governors, balancing
  • Fluid Mechanics: Fluid statics, Bernoulli's theorem, flow measurement, boundary layer basics, turbomachinery
  • Thermodynamics: Laws of thermodynamics, thermodynamic cycles (Carnot, Rankine, Otto, Diesel), steam tables, refrigeration basics
  • Manufacturing Processes: Casting, forming, welding, machining (turning, drilling, milling), metrology basics
  • Machine Design: Design considerations, factor of safety, riveted and welded joints, keys, couplings, springs, bearings
  • Industrial Engineering: PERT/CPM, inventory control basics, quality control (SPC basics), material handling

Technical Ability – Computer Science / IT (100 marks)

  • Data Structures: Arrays, linked lists, stacks, queues, trees (BST, AVL, B-tree), graphs, hashing — operations and time complexity
  • DBMS: Relational model, SQL (joins, aggregation, subqueries), normalisation (1NF to BCNF), transactions (ACID properties), indexing
  • Operating Systems: Process management, scheduling algorithms, memory management (paging, segmentation), file systems, deadlock
  • Computer Networks: OSI and TCP/IP model, IP addressing and subnetting, routing protocols, TCP/UDP, HTTP/HTTPS, DNS, network security basics
  • Software Engineering: SDLC models (waterfall, agile), testing types, software design principles, UML diagrams basics
  • Programming: C/C++ basics (pointers, structures, file I/O), Java basics (OOP concepts, exception handling), algorithm analysis (Big-O notation)
  • Digital Electronics: Number systems (binary, octal, hex), logic gates, Boolean algebra, Karnaugh maps, flip-flops, counters, registers

Technical Ability – Electronics Engineering (100 marks)

  • Analog Electronics: Diodes, BJT and MOSFET (biasing, amplifiers, frequency response), operational amplifiers (ideal op-amp, circuits, applications)
  • Digital Electronics: Logic gates, Boolean algebra, combinational circuits (adder, multiplexer, decoder), sequential circuits (flip-flops, counters, registers, finite state machines)
  • Signals and Systems: Fourier series and transform, Laplace transform, Z-transform, sampling theorem, convolution
  • Control Systems: Transfer functions, time response, frequency response, stability (Nyquist, Bode), root locus
  • Communication Systems: AM and FM modulation, demodulation, PCM, digital modulation (ASK, FSK, PSK), noise in communication
  • Microprocessors and Microcontrollers: 8085/8086 architecture and instruction set basics, interfacing, interrupts, 8051 microcontroller basics
  • Electromagnetic Theory: Maxwell's equations, wave propagation, transmission lines, antennas basics

Computers and Environment – CBT 2 Non-Technical Sections

The two non-technical sections in CBT 2 (Computers: 10 marks, Environment: 10 marks) are often underrated by candidates who focus entirely on Technical Ability. These 20 marks are among the easiest to secure in the entire exam — a few days of focused preparation is enough.

Computers and Applications (10 marks) — key topics: Computer hardware components (CPU, RAM, ROM, storage devices), software types (system software, application software), operating system functions, internet basics (browser, email, IP address, protocols), networking fundamentals (LAN, WAN, router, switch), cybersecurity basics, MS Office productivity tools.

Environment and Pollution Control (10 marks) — key topics: Types of pollution (air, water, soil, noise, radioactive), causes and effects of each, control measures, greenhouse effect and global warming, ozone layer depletion, Environmental Protection Act, Wildlife Protection Act, Biodiversity basics, solid waste management, sustainable development.

Preparation Strategy – CBT 1 vs CBT 2

StagePreparation Time RequiredKey DifferentiatorTarget Score
CBT 16–10 weeks for most engineering graduatesGeneral Science (30 marks) is the high-value section. Reasoning is predictable and scorable. Maths needs formula practice.70–80 / 100 (cut-off varies by category and zone)
CBT 2 Technical12–20 weeks minimum (depends on how much engineering is still fresh)100 marks of technical — revise your core engineering subjects from undergraduate level. Prioritise 5–6 core subjects over 10 average ones.90–120 / 150 for good ranking

The honest truth about CBT 2: if you are more than 3–4 years past your engineering graduation, a large portion of your technical knowledge will have faded significantly. Plan 3–4 months minimum for serious CBT 2 technical revision. Focus on the 5–6 highest-weightage subjects in your trade (for Civil: Surveying, Soil Mechanics, Hydraulics, Transportation, RCC. For Electrical: Machines, Power Systems, Basic Concepts. For Mechanical: SOM, Thermodynamics, FM, Theory of Machines).

Frequently Asked Questions

What is the negative marking in RRB JE 2026?

Both CBT 1 and CBT 2 carry a negative marking penalty of 1/3 mark per wrong answer. If you answer 80 questions and get 60 right and 20 wrong, your score is 60 − (20 × 1/3) = 60 − 6.67 = 53.33. This makes random guessing a negative expected value strategy. The rule of thumb: attempt a question if you can eliminate at least 2 out of 4 options (making it a 50-50 guess or better). Leave blank if you have no idea.

How many questions are in RRB JE CBT 2 Technical Ability?

Technical Ability in CBT 2 has 100 questions worth 100 marks — it is the largest and most important section, accounting for 2/3 of the total CBT 2 marks. The remaining 50 marks come from GA (15), Physics and Chemistry (15), Computers (10), and Environment (10). A candidate who scores well in Technical Ability can compensate for average scores in the other sections. Conversely, poor technical knowledge cannot be compensated by scoring high in the smaller sections.

Can I change my technical discipline between CBT 1 and CBT 2?

No. You declare your technical discipline (Civil, Electrical, Mechanical, Signal & Telecom, Computer Science, Electronics, etc.) at the time of application. CBT 2 Technical Ability questions are set for your declared discipline. There is no option to switch disciplines after the application is submitted. Make sure you choose the discipline that matches your diploma or degree — applying in the wrong discipline invalidates your candidature.

What books are best for RRB JE CBT 1 preparation?

For Maths: R.S. Agarwal's Quantitative Aptitude or Rakesh Yadav's Maths. For Reasoning: R.S. Agarwal's A Modern Approach to Verbal and Non-Verbal Reasoning. For General Science: NCERT Class 9 and 10 Science textbooks (cover all three subjects — Physics, Chemistry, Biology). For General Awareness: Any current affairs monthly magazine plus standard GK books. For CBT 2 Technical Ability: Your undergraduate engineering textbooks remain the primary source — supplemented by MADE Easy or ACE Engineering Academy's trade-specific RRB JE preparation books.

Is RRB JE CBT 1 score used for final merit?

No. CBT 1 is only a screening exam — it determines which candidates are called for CBT 2. CBT 1 scores are not added to the final merit. The final selection rank is based entirely on CBT 2 performance. This means a candidate who just barely clears CBT 1 cut-off has the same opportunity as a top scorer in CBT 1 — what matters is how well they perform in CBT 2 Technical Ability. Clear CBT 1 efficiently (do not over-invest time) and save your preparation energy for CBT 2.

RRB JE सिलेबस 2026 – CBT 1 और CBT 2 का पूरा topic-wise breakdown

RRB JE एक two-stage CBT exam है — और दोनों stages बिल्कुल अलग-अलग चीज़ें test करती हैं। CBT 1 एक general engineering aptitude screen है: Maths, Reasoning, General Science, General Awareness। अधिकांश engineering graduates CBT 1 को 4–8 weeks की focused preparation से clear कर सकते हैं। CBT 2 में real differentiation होता है — इसमें 100 marks के Technical Ability questions हैं जो aapke engineering discipline (Civil, Electrical, Mechanical, Signal & Telecom, CS/IT, Electronics) के specific हैं। aapke undergraduate engineering subjects की knowledge ही CBT 2 score और ultimately rank decide करती है।

इस आर्टिकल में दोनों stages का complete topic list, department-wise technical breakdown, negative marking rules, और honest preparation strategy मिलेगी।

RRB JE Exam Pattern 2026 – दोनों Stages एक नज़र में

ParameterCBT 1 (Stage I)CBT 2 (Stage II)
उद्देश्यQualifying / Screening stageMain ranking stage
कुल प्रश्न100150
कुल अंक100150
समय90 मिनट120 मिनट
Negative Markingगलत जवाब पर 1/3 अंक काटे जाएंगेगलत जवाब पर 1/3 अंक काटे जाएंगे
माध्यमEnglish और Hindi (तथा regional languages)English और Hindi (तथा regional languages)
CBT 2 के बादDocument Verification + Medical Examination

महत्वपूर्ण: CTET के विपरीत, RRB JE में CBT 1 और CBT 2 दोनों में हर गलत जवाब पर 1/3 अंक काटा जाता है। यह strategy को fundamentally बदलता है — randomly guess नहीं करें। जिस प्रश्न में 2 options eliminate कर सकते हैं (50-50 choice बचे) वहाँ attempt करना mathematically beneficial है। जहाँ कोई idea नहीं, blank छोड़ें।

CBT 1 Syllabus – Section-wise Breakdown

Sectionप्रश्नअंकKey Topics
गणित (Mathematics)3030Number system, BODMAS, भिन्न, LCM/HCF, ratio, percentage, mensuration, time & work, speed & distance, interest, algebra, geometry, trigonometry basics, statistics
General Intelligence और Reasoning2525Analogies, series, coding-decoding, syllogism, Venn diagrams, blood relations, directions, classification, puzzles, non-verbal reasoning (mirror/water images, embedded figures)
General Awareness1515Current affairs (last 6 months), Indian geography, history, polity, economy, sports, science & tech news, Railway news
General Science3030Physics: mechanics, heat, light, sound, electricity, magnetism. Chemistry: matter, metals/non-metals, acids/bases/salts, reactions, organic chemistry basics. Life Sciences: cell, plants, animals, human body, diseases

गणित (30 marks) – किस पर focus करें

RRB JE CBT 1 का Maths Class 10–12 level का है — engineering mathematics नहीं। Difficulty moderate है। Science stream candidates को ज़्यादा struggle नहीं होता। Extra ध्यान देने वाले topics:

  • Percentage और Ratio: 4–6 questions guaranteed। Practice करें।
  • Time, Work, Speed और Distance: Classic formula-based — consistently tested। 3–5 questions।
  • Mensuration: 2D और 3D shapes के area और volumes। 3–4 questions।
  • Number System: HCF, LCM, divisibility, unit digit, remainders। 2–4 questions।
  • Algebra और Trigonometry Basics: Identity-based simplifications, basic sin/cos/tan values। 3–4 questions।

General Science (30 marks) – CBT 1 का सबसे High-Value Section

General Science में CBT 1 का सबसे ज़्यादा marks weightage है (30/100)। यह Physics, Chemistry और Life Sciences को NCERT Class 9–10 level पर test करता है। इसे ignore मत करें — ironically कई engineering graduates General Science में Maths से कम score करते हैं क्योंकि उन्होंने Class 10 के बाद basic science revise नहीं की।

Physics topics (approx 10–12 marks):

  • Newton's laws, friction, work-energy-power, momentum
  • Heat: temperature scales, thermal expansion, specific heat, latent heat
  • Light: reflection, refraction, lenses और mirrors, human eye
  • Sound: types of waves, speed of sound, echo, ultrasound
  • Electricity और Magnetism: Ohm's law, series/parallel circuits, electromagnetic induction basics

Chemistry topics (approx 8–10 marks):

  • States of matter, physical और chemical changes
  • Metals, non-metals — properties और uses
  • Acids, bases, salts — pH, neutralisation, everyday examples
  • Chemical reactions — types (conceptual)
  • Basic organic chemistry — hydrocarbons, common compounds और उनके uses

Life Sciences topics (approx 8–10 marks):

  • Cell — structure, organelles, cell division basics
  • Plant biology — photosynthesis, respiration, reproduction
  • Animal biology — digestion, respiration, nervous system
  • Human body — major organ systems और functions
  • Diseases — bacterial, viral, deficiency diseases; vaccination

General Intelligence और Reasoning (25 marks)

  • Coding-Decoding: 2–3 questions — pattern पहचानो और apply करो
  • Analogy और Series: Alphabetic और numeric दोनों — 4–5 questions
  • Blood Relations: 2–3 questions — family tree बनाएँ
  • Directions: 1–2 questions — path draw करें
  • Syllogism: 2–3 questions — Venn diagrams use करें
  • Non-verbal Reasoning: Paper folding, mirror image, embedded figures — 3–4 questions

General Awareness (15 marks)

सिर्फ 15 marks हैं लेकिन completely ignore मत करें। Last 6 months की current affairs, Indian history/polity/geography basics, और Railway-related news (Indian Railways budget, नई trains, Railway zones और headquarters) — ये Railway exams में consistently आते हैं।

CBT 2 Syllabus – Sections और Technical Ability Topics

Sectionप्रश्नअंकNotes
General Awareness1515CBT 1 GA जैसा — current affairs और static GK
Physics और Chemistry1515CBT 1 से ज़्यादा focused — Class 11–12 level partially
Basics of Computers और Applications1010Hardware, software, OS, internet, networking, MS Office basics
Basics of Environment और Pollution Control1010Pollution types, control measures, environmental acts, biodiversity
Technical Ability (trade-specific)100100आपकी engineering discipline — नीचे detailed breakdown देखें

Technical Ability – Civil Engineering (100 marks)

  • Engineering Drawing: Projection, isometric view, sectional views, surface development
  • Building Materials: Stones, bricks, cement, concrete, steel, timber — properties और construction में uses
  • Surveying: Chain surveying, compass, levelling, theodolite, Total Station basics, contour maps
  • Soil Mechanics: Soil classification, index properties, permeability, consolidation, shear strength basics
  • Hydraulics और Fluid Mechanics: Properties of fluids, Bernoulli's theorem, flow in pipes, open channel flow, hydraulic machines basics
  • Irrigation Engineering: Irrigation methods, canals, dams, spillways, reservoirs
  • RCC Design: Working stress method basics, beams, slabs, columns design principles
  • Transportation Engineering: Highway design basics, pavement types, traffic engineering, Railways track geometry

Technical Ability – Electrical Engineering (100 marks)

  • Basic Concepts: Ohm's law, Kirchhoff's laws, network theorems (Thevenin, Norton, Superposition)
  • AC Fundamentals: RLC circuits, phasors, resonance, power factor, three-phase circuits
  • Electrical Machines: Transformers, DC machines, Induction motors, Synchronous machines basics
  • Power Systems: Generation basics, transmission lines, distribution, protection (fuses, circuit breakers, relays)
  • Control Systems: Block diagrams, transfer functions, stability analysis, PID control
  • Electronics Fundamentals: Semiconductors, diodes, transistors, amplifiers, op-amps basics
  • Electrical Measurements: V, I, R, P, energy measurement; instruments; CTs और PTs

Technical Ability – Mechanical Engineering (100 marks)

  • Engineering Mechanics: Statics (equilibrium, trusses), dynamics (kinematics, kinetics), friction, moment of inertia
  • Strength of Materials: Stress-strain, bending moment और shear force diagrams, torsion, deflection
  • Fluid Mechanics: Fluid statics, Bernoulli's theorem, flow measurement, turbomachinery
  • Thermodynamics: Laws, thermodynamic cycles (Carnot, Rankine, Otto, Diesel), refrigeration basics
  • Manufacturing Processes: Casting, forming, welding, machining, metrology basics
  • Machine Design: Factor of safety, riveted/welded joints, springs, bearings
  • Industrial Engineering: PERT/CPM, inventory control, quality control

Technical Ability – Computer Science / IT (100 marks)

  • Data Structures: Arrays, linked lists, stacks, queues, trees, graphs, hashing — operations और time complexity
  • DBMS: Relational model, SQL, normalisation (1NF to BCNF), transactions (ACID), indexing
  • Operating Systems: Process management, scheduling, memory management, file systems, deadlock
  • Computer Networks: OSI और TCP/IP model, IP addressing, routing, TCP/UDP, HTTP/HTTPS, DNS, network security
  • Software Engineering: SDLC models, testing types, design principles, UML basics
  • Programming: C/C++ basics (pointers, structures), Java basics (OOP, exceptions), algorithm analysis
  • Digital Electronics: Number systems, logic gates, Boolean algebra, K-maps, flip-flops, counters

Computers और Environment – CBT 2 Non-Technical Sections (20 marks)

CBT 2 के ये 20 marks (Computers 10 + Environment 10) exam के सबसे easy marks हैं। Technical Ability पर focus करने वाले candidates इन्हें often ignore करते हैं — लेकिन ये "free marks" हैं जो कुछ दिनों की preparation से मिल सकते हैं।

Computers (10 marks): Hardware components (CPU, RAM, ROM, storage), software types, OS functions, internet basics, networking (LAN, WAN, router), cybersecurity basics, MS Office tools।

Environment (10 marks): Pollution types (air, water, soil, noise), causes और effects, control measures, greenhouse effect, ozone depletion, Environmental Protection Act, Wildlife Protection Act, biodiversity basics, solid waste management, sustainable development।

Preparation Strategy – CBT 1 vs CBT 2

StageRequired TimeKey DifferentiatorTarget Score
CBT 1Engineering graduates के लिए 6–10 weeksGeneral Science (30 marks) highest value section। Reasoning predictable और scorable है।70–80 / 100 (cut-off category और zone-wise varies)
CBT 2 Technical12–20 weeks minimum100 marks technical — undergraduate engineering subjects revise करें। 5–6 core subjects पर focus करें।90–120 / 150 for good ranking

CBT 2 के बारे में honest बात: अगर engineering graduation के 3–4 साल हो गए हैं, तो technical knowledge काफी fade हो चुकी होगी। Serious CBT 2 technical revision के लिए minimum 3–4 months plan करें। अपनी trade के 5–6 highest-weightage subjects पर focus करें (Civil के लिए: Surveying, Soil Mechanics, Hydraulics, Transportation, RCC; Electrical के लिए: Machines, Power Systems, Basic Concepts; Mechanical के लिए: SOM, Thermodynamics, FM, Theory of Machines)।

अक्सर पूछे जाने वाले प्रश्न (FAQ)

RRB JE 2026 में negative marking कितनी है?

CBT 1 और CBT 2 दोनों में हर गलत जवाब पर 1/3 अंक काटा जाता है। अगर aapne 80 questions attempt किए जिनमें 60 सही और 20 गलत हैं, तो score = 60 − (20 × 1/3) = 53.33। Strategy: attempt करें अगर कम से कम 2 options eliminate कर सकते हैं (50-50 या better chance)। कोई idea नहीं है तो blank छोड़ें।

RRB JE CBT 2 Technical Ability में कितने questions होते हैं?

CBT 2 में Technical Ability के 100 questions और 100 marks होते हैं — यह total CBT 2 marks का 2/3 है। बाकी 50 marks GA (15), Physics & Chemistry (15), Computers (10), Environment (10) से आते हैं। Technical Ability में high score करने से दूसरे sections में average score compensate हो जाता है।

क्या CBT 1 और CBT 2 के बीच technical discipline change कर सकते हैं?

नहीं। Application के समय ही technical discipline (Civil, Electrical, Mechanical, S&T, CS, Electronics) declare करना होता है। CBT 2 Technical Ability questions उसी declared discipline के specific होते हैं। Application submit होने के बाद discipline change का कोई option नहीं। aapki diploma/degree के matching discipline में apply करें।

RRB JE CBT 1 की preparation के लिए best books कौन सी हैं?

Maths: R.S. Agarwal's Quantitative Aptitude या Rakesh Yadav। Reasoning: R.S. Agarwal's Verbal & Non-Verbal Reasoning। General Science: NCERT Class 9 और 10 Science textbooks (Physics, Chemistry, Biology तीनों cover होती हैं)। GA: monthly current affairs magazine + standard GK book। CBT 2 Technical: अपनी engineering textbooks primary source हैं — MADE Easy या ACE Engineering Academy की trade-specific RRB JE books supplement करें।

क्या CBT 1 score final merit में जुड़ता है?

नहीं। CBT 1 सिर्फ screening exam है — यह decide करता है कि CBT 2 के लिए कौन candidates call होंगे। CBT 1 score final merit में नहीं जुड़ता। Final selection rank completely CBT 2 performance पर based है। इसका मतलब — CBT 1 barely clear करने वाले candidate के पास उतना ही chance है जितना CBT 1 topper के पास — CBT 2 Technical Ability decide करता है। CBT 1 efficiently clear करें और अपनी preparation energy CBT 2 के लिए save करें।

CBT 2 Ke Liye Department-wise Focus Areas

CBT 2 mein aapke technical knowledge ka test hota hai. Department ke hisaab se subjects mein focus alag hona chahiye:

  • Electrical (EE): Power systems, machines, control systems, measurement — GATE EE syllabus se kaafi overlap hai
  • Civil (CE): Structural mechanics, soil mechanics, concrete, RCC — construction basics zaroori
  • Electronics (EC): Digital electronics, communication basics, microprocessor — practical application pe focus
  • IT (CS): Data structures, DBMS, networking, OS — coding questions bhi aa sakte hain

Aksar Puche Jane Wale Prashn

Q: Kya CBT 1 ke marks final merit mein count hote hain?

Nahi. CBT 1 sirf shortlisting ke liye hota hai — iska score final merit mein nahi aata. Final merit CBT 2 ke marks par based hoti hai (plus document verification). Isiliye CBT 1 mein sirf cutoff clear karna kaafi hai; CBT 2 mein maximum score laane ki koshish karein. Dono exams mein behtar score consistently perform karna professional exam readiness ka sign hai.

Q: RRB JE CBT 1 mein General Awareness se kitne questions aate hain?

CBT 1 mein 100 questions total hote hain — General Awareness se typically 15 questions. Science (Physics, Chemistry, Biology — 10th level) se 30 questions. Mathematics se 30 questions, aur General Intelligence/Reasoning se 25 questions. General Awareness ke liye current affairs (6 months) + basic Science padhein. Reasoning aur Maths mein zyada marks laana easy hota hai consistent practice se.

RRB JE Syllabus 2026 – CBT 1 & CBT 2 Complete Topic-wise Guide - Syllabus | RojgarDekho

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