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UPSC IFOS Mechanical Engineering Paper II Syllabus

Indian Forest Service Examination

4
Topics
27
Sub-topics
8
Questions

Mechanical Engineering Paper II is one of 32 sections in the UPSC IFOS syllabus. It has 4 topics and 27 sub-topics, tested in Main Examination, with about 8 questions (200 marks). Optional subject, Paper II (200 marks, 3 hours, conventional essay type, answered in English). The paper has 8 questions in Parts A and B; candidates attempt 5, including one compulsory question from each part. Candidates choose any two of the 14 optional subjects..

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UPSC IFOS Mechanical Engineering Paper II: topic-wise syllabus

  1. 1

    Thermodynamics

    • Open and closed systems
    • Applications of thermodynamic laws
    • Gas equations and Clapeyron equation
    • Availability, irreversibility and Tds relations
  2. 2

    I.C. Engines, Fuels and Combustion

    • SI and CI engines; two and four stroke
    • Engine efficiencies and heat balance
    • Combustion, detonation and diesel knock
    • Octane and cetane ratings and alternate fuels
    • Carburation and fuel injection
    • Engine emissions and control
    • Fuels, air requirement and calorific values
  3. 3

    Heat Transfer, Refrigeration and Air Conditioning

    • Heat conduction and extended surfaces
    • Forced and free convection
    • Heat exchangers
    • Mass transfer fundamentals
    • Radiation heat exchange
    • Refrigeration cycles, components and refrigerants
    • Psychrometrics, comfort and cooling load
    • Solar refrigeration
  4. 4

    Turbo-machines and Power Plants

    • Continuity, momentum and energy equations
    • Isentropic flow, Fanno and Rayleigh lines
    • Axial flow turbines and compressors
    • Centrifugal compressors and blade cascades
    • Site selection for steam, hydro, nuclear and stand-by plants
    • Boilers, draft and dust removal
    • Plant heat rates and maintenance
    • Economics of power generation

Frequently asked questions

What topics are in the UPSC IFOS Mechanical Engineering Paper II syllabus?

Mechanical Engineering Paper II for UPSC IFOS has 4 topics: Thermodynamics, I.C. Engines, Fuels and Combustion, Heat Transfer, Refrigeration and Air Conditioning and Turbo-machines and Power Plants, with 27 sub-topics in all.

How many questions come from Mechanical Engineering Paper II in UPSC IFOS?

About 8 questions (200 marks) in Main Examination. Always check the latest notification, as numbers can change.

How do I practise UPSC IFOS Mechanical Engineering Paper II on Topicly?

Pick a topic above and study it your way — step-by-step chat, a quiz, a formula sheet or a voice call with Sia. Topicly tracks each sub-topic so you know what's left. It's free to start.

A study guide, not an official notice. Always confirm with the conducting body's latest notification. See the full exam page for any recorded source, check date and coverage limits.