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MECHANICAL ENGINEERING
[2025 -2026]
IES ME Syllabus 2025 – Here we have provided IES 2023 syllabus for Mechanical Engineering & paper pattern (Prelims & Mains) in free pdf format.
This Mechanical Engineering syllabus & paper pattern will guide the candidates in their IES 2023 examination preparation.
Mechanical Engineering aspirants can download their UPSC ESE 2023 Mechanical Engineering syllabus from the table given below.
Contents
IES 2025 Highlights
| IES 2025 Conducting Body | UPSC (IES 2025) |
| IES 2025 Total Subjects | 4 (CE, ME, EE, EC) |
| IES 2025 Total Vacancy | _ _ _ |
| IES 2025 (Prelims) Exam Date | 16.02.2025 (Sunday) |
| IES 2025 (Mains) Exam Date | 22.06.2025 (Sunday) |
| IES 2025 Selection | Preliminary, Mains and Interview |
| IES 2025 Preliminary exam | Objective Type |
| IES 2025 Mains exam | Conventional Type |
| IES 2025 Exam Mode | Offline |
IES Mechanical Engineering Paper Pattern 2024
| Stages | Examination | Marks |
|---|---|---|
| Stage-I | Preliminary | 500 |
| Stage-II | Mains | 600 |
| Stage-III | Personality Test | 200 |
| Stage-I + Stage-II + Stage-III | Grand Total | 1300 |
Preliminary/Stage-I Examination (Objective Type Papers)
| Paper | Name of Paper | Time Duration | Maximum Marks |
|---|---|---|---|
| Paper-I | General Studies and Engineering Aptitude Paper | 2 Hours | 200 |
| Paper-II | Engineering Discipline-specific Paper | 3 Hours | 300 |
| Paper-I + Paper-II | Grand Total | 5 Hours | 500 |
Mains/Stage-II Examination (Subjective Type Papers)
| Paper | Name of Paper | Time Duration | Maximum Marks |
|---|---|---|---|
| Paper-I | Engineering Discipline-specific Paper-I | 3 Hours | 300 |
| Paper-II | Engineering Discipline-specific Paper-II | 3 Hours | 300 |
| Paper-I + Paper-II | Grand Total | 6 Hours | 600 |
IES Mechanical Engineering Syllabus 2024
| General Ability Syllabus (Common to all papers) [pdf] | Download |
| IES Syllabus for Mechanical Engineering [pdf] | Download |
IES Mechanical Engineering Detailed Syllabus 2024
Contents for syllabi of both the Papers together for Preliminary Examination/ Stage-I (objective type Paper-II) and separately for Main/ Stage-II Examination (Conventional type Paper-I and Paper-II).
IES Syllabus for Mechanical Engineering Paper 1
| Topics | IES Mechanical Engineering Syllabus |
| Fluid Mechanics | Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes. |
| Thermodynamics and Heat transfer | Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility, and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer – Radiation heat transfer co-efficient; boiling and condensation, Heat exchanger performance analysis. |
| IC Engines, Refrigeration and Air conditioning | SI and CI Engines, Engine Systems and Components, Performance characteristics, and testing of IC Engines; Fuels; Emissions and Emission Control. Vapor compression refrigeration, Refrigerants, and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermoelectric, and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations, and Heat pumps. |
| Turbo Machinery | Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors – Theory and Applications. |
| Power Plant Engineering | Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications. |
| Renewable Sources of Energy | Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Bio-mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells. |
IES Syllabus for Mechanical Engineering Paper 2
| Topics | IES Mechanical Engineering Syllabus |
| Engineering Mechanics | Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses- Slope and deflection-Torsion, Thin and thick Cylinders, Spheres. |
| Engineering Materials | Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous, and Non-Ferrous Metals, Nonmetallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control. |
| Mechanisms and Machines | Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains- Simple, compound and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircrafts, Governors. |
| Design of Machine Elements | Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels. |
| Manufacturing ,Industrial and Maintenance Engineering | Metal casting-Metal forming, Metal Joining, Machining and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control and operations research – CPM-PERT. Failure concepts and characteristics-Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring. |
| Mechatronics and Robotics | Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control SystemsMathematical modeling of Physical systems, control signals, controllability and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot. |
IES Mechanical Engineering Guidance
- How to Prepare for IES Mechanical Engineering: A Comprehensive Guide
- IES ME Syllabus 2024: Prelims and Mains
- IES ME Subjective Papers – (2023-1985)
- [PDF] IES ME Objective Papers – (2023-2000)
- IES ME Books 2024: Prelims and Mains
IES Syllabus & Paper Pattern ME FAQs
What is the IES ME syllabus?
The IES ME syllabus includes topics related to engineering mechanics, thermodynamics, manufacturing technology, materials science, machine design, and industrial engineering.
How many papers are there in the IES ME exam?
There are two papers in the IES ME exam - Paper 1 and Paper 2.
What is the duration of each paper in the IES ME exam?
Each paper in the IES ME exam is of 3 hours duration.
What is the paper pattern of Paper 1 in the IES ME exam?
Paper 1 in the IES ME exam is a subjective type paper with questions related to engineering mechanics, engineering materials, and manufacturing technology.
What is the paper pattern of Paper 2 in the IES ME exam?
Paper 2 in the IES ME exam is a subjective type paper with questions related to thermodynamics, heat transfer, machine design, and industrial engineering.
How many questions are there in each paper of the IES ME exam?
Each paper in the IES ME exam has 6 questions of 20 marks each.
Are there any negative marks in the IES ME exam?
Yes, there is negative marking in the IES ME exam. 1/3rd of the marks will be deducted for each wrong answer.
What is the total marks for the IES ME exam?
The total marks for the IES ME exam is 600.
Is there any interview round in the IES ME exam?
Yes, there is an interview round in the IES ME exam. It is conducted for 200 marks.
What is the weightage of the interview round in the IES ME exam?
The weightage of the interview round in the IES ME exam is 200 marks.
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