🔧 APSC JE Mechanical Engineering Preparation Strategy 2025 – Syllabus, Books & Study Plan
If you’re aiming for the Assam Public Service Commission (APSC) Junior Engineer Mechanical Post under PWD or PHED, this is your complete roadmap to crack the exam with confidence.
This post covers:
- ✅ Exam pattern & important topics
- 📘 Best books like RS Khurmi, Youth Competition Times
- 📅 45-day & 60-day study plans
- 🧠 Topic-wise tips based on PYQs
- ⚠️ Common mistakes to avoid
📘 APSC JE Mechanical Exam Pattern (PWD/PHED)
| Paper | Subject | Marks | Duration | Type |
|---|---|---|---|---|
| I | Mechanical Engineering | 100 | 2 Hours | MCQ |
| II | General Studies & English | 100 | 2 Hours | MCQ |
💥 Negative marking: 0.25 marks for each wrong answer
📄 Total Questions: 100 per paper
🔍 APSC JE Mechanical Syllabus – Most Important Topics
From analysis of 2020, 2021, and 2023 papers, the following subjects dominate:
⚙️ Mechanical Paper-I (Core)
| Subject Area | Priority | PYQ Presence |
|---|---|---|
| Thermodynamics | ⭐⭐⭐⭐ | High |
| Theory of Machines | ⭐⭐⭐⭐ | High |
| Strength of Materials (SOM) | ⭐⭐⭐⭐ | High |
| Fluid Mechanics & Hydraulics | ⭐⭐⭐⭐ | High |
| Heat Transfer & IC Engines | ⭐⭐⭐ | Medium |
| Refrigeration & Air Conditioning | ⭐⭐⭐ | Medium |
| Production & Manufacturing | ⭐⭐⭐ | Medium |
| Engineering Drawing | ⭐⭐ | Low |
| Machine Design | ⭐⭐ | Low |
| Power Plant / Boilers | ⭐⭐ | Medium |
| Industrial Engg & CPM/PERT | ⭐⭐ | Low |
📚 General Studies & English (Paper-II)
| Section | Topics Included |
|---|---|
| General Knowledge | Assam history, polity, rivers, geography |
| Current Affairs | National schemes, awards, Assam news |
| English Language | Grammar, sentence correction, comprehension |
📚 Best Books for APSC JE Mechanical
| Subject | Book Recommendation |
|---|---|
| Strength of Materials | RS Khurmi / B.C. Punmia |
| Thermodynamics | P.K. Nag / R.Yadav |
| Theory of Machines | R.S. Khurmi |
| Fluid Mechanics | R.K. Bansal |
| Heat Transfer | R.K. Rajput |
| RAC | C.P. Arora / Domkundwar |
| Manufacturing Tech | P.N. Rao Vol I & II |
| Engineering Drawing | ND Bhatt |
| Industrial Engineering | O.P. Khanna |
| MCQ Practice | Youth Competition Times – JE Mechanical |
| GS & English | Lucent’s GK, Assam Yearbook, Wren & Martin |
📅 45-Day Study Plan for APSC JE Mechanical
| Day Range | Focus Areas (Tech + GS) |
|---|---|
| Days 1–3 | SOM + Basics of Thermodynamics |
| Days 4–6 | Fluid Mechanics + Engineering Drawing |
| Days 7–9 | IC Engine + Heat Transfer |
| Days 10–12 | Theory of Machines (Governors, Flywheels) |
| Days 13–15 | Manufacturing Processes + CPM/PERT |
| Days 16–18 | Power Plant Engineering + Boilers |
| Days 19–21 | RAC + Machine Design Basics |
| Days 22–24 | GS (Assam History + Geography) |
| Days 25–27 | GS (National Current + Polity) |
| Days 28–30 | English Grammar + Comprehension |
| Days 31–33 | Revise SOM, TOM, Fluid |
| Days 34–36 | Revise Thermo, RAC, Production |
| Days 37–39 | Full Mock Paper I (Technical) |
| Days 40–42 | Full Mock Paper II (GS & English) |
| Days 43–45 | Final Revision + Formula List + PYQ Practice |
📅 60-Day Study Plan (For Working Professionals or Beginners)
| Week | Focus |
|---|---|
| 1–2 | SOM, Thermodynamics, GS basics |
| 3–4 | Fluid Mech, TOM, Assam GK |
| 5–6 | Heat Transfer, IC Engine, Production, RAC |
| 7–8 | Industrial Engg + GS (National + Current) |
| 9 | Full-length Practice Tests (Tech + GS) |
| 10 | Revision + Formula Sheets + Last-Minute Notes |
🧠 Topic-Wise Tips for APSC JE Mechanical
✅ Strength of Materials (SOM)
- Focus: Stress-strain, bending moment, shear force, Mohr's circle
- Tip: PYQs often repeat direct theory statements
✅ Thermodynamics
- Focus: First law, cycles (Otto, Diesel, Brayton), entropy
- Tip: P.K. Nag conceptual clarity is gold
✅ Theory of Machines
- Focus: Governors, flywheels, gyroscopic effect, gear trains
- Tip: Diagrams are crucial. Understand motion systems clearly.
✅ Fluid Mechanics
- Focus: Bernoulli, continuity, turbines, pumps
- Tip: Practice velocity/flow rate numerical MCQs
✅ Production Engineering
- Focus: Lathe, casting, welding, tool geometry
- Tip: Practice tool materials, heat treatment processes
✅ GS & English
- Assam GK: Wildlife, rivers, Ahom dynasty, culture
- English: Spot the error, fill in blanks, comprehension
❌ Mistakes to Avoid
- Ignoring Paper-II (GS + English) thinking it’s easy
- Not solving previous year question papers
- Avoiding numerical questions out of fear
- Skipping current affairs from Assam
✅ Final Strategy Tips
- Daily 2–3 hours study for 60 days or 3–4 hours for 45 days
- Solve at least 20 MCQs per subject daily
- Use formula sheets and attempt full-length mock tests
- Revise topics 3 times before exam
- Focus on conceptual clarity, not just memorization
📌 Conclusion
With smart planning and the right books, cracking the APSC JE Mechanical 2025 exam is achievable. Follow the 45-day or 60-day plan, practice PYQs, and revise well. Keep consistency high and distractions low.
🎯 Start today — your JE Mechanical success journey begins now!
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