Exam Overview
RRB JE
RRB JE Notification 2025 Out! Apply for 2588 Revised Vacancies. Check exam dates, extended application deadline (Dec 10), and complete vacancy breakdown.
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RRB JE Syllabus 2025 & Exam Pattern: CBT 1 vs CBT 2 Explained
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The RRB JE selection process works on a strict Double Filter Mechanism. You cannot rely on technical knowledge alone — you must clear both technical and non-technical rounds to get selected.
Stage 1: CBT 1 (The Screening Round)
Important: CBT 1 marks are not added to the final merit list. You only need to clear the cutoff.
- Objective: Filter out non-serious candidates.
- Duration: 90 Minutes
- Negative Marking: 1/3rd
CBT 1 Exam Structure
| Section | Questions | Marks | Importance |
|---|---|---|---|
| Mathematics | 30 | 30 | High |
| Reasoning | 25 | 25 | High Scoring |
| General Awareness | 15 | 15 | Moderate |
| General Science | 30 | 30 | Game Changer |
| Total | 100 | 100 |
Syllabus Deep Dive (CBT 1)
- Mathematics: Focus on Arithmetic – Percentage, Ratio, SI/CI, Profit & Loss. Trigonometry & Geometry are usually formula-based.
- General Science: Physics, Chemistry, Biology (up to Class 10). Focus: Periodic Table, Light, Electricity, Human Body.
- General Awareness: Current Affairs (Last 6 months), Indian Geography, Polity.
Stage 2: CBT 2 (The Merit Decider)
Important: Your final merit depends entirely on your CBT 2 score.
- Duration: 120 Minutes
- Virtual Scientific Calculator: Available on-screen. Practice using it beforehand.
CBT 2 Exam Structure
| Section | Questions | Marks |
|---|---|---|
| General Awareness | 15 | 15 |
| Physics & Chemistry | 15 | 15 |
| Basics of Computer | 10 | 10 |
| Environment & Pollution | 10 | 10 |
| Technical Abilities | 100 | 100 |
| Total | 150 | 150 |
Technical Syllabus (The Core)
Civil Engineering
- Building Materials, Estimating & Costing, Surveying
- Soil Mechanics, Concrete Technology
Electrical Engineering
- Circuit Law, Electrical Machines
- Power Systems & Basic Electronics
Mechanical Engineering
- Thermodynamics, Fluid Mechanics
- Production Engineering, Strength of Materials
Electronics & Communication
- Digital Electronics, Microprocessors
- Communication Systems
Environment (Common Section)
- Ozone Depletion, Acid Rain, Global Warming
- Waste Management & Pollution Control
Tip: The Environment section (10 marks) is often the easiest area to score full marks.
Frequently Asked Questions
There is a negative marking of 1/3rd mark for every incorrect answer in both stages.
No. The Virtual Scientific Calculator is available only in CBT 2. You must do manual calculations in CBT 1.
No. CBT 1 is a screening test. Final merit is based 100% on CBT 2 marks.
Mock Tests
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