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UPSC ESE Mechanical Engineering Syllabus 2025, Prelims & Mains Syllabus

Explore the UPSC ESE Mechanical Engineering Syllabus 2025 along with the exam pattern here. Check out a detailed UPSC ESE ME Syllabus for Prelims and Mains exam below.
authorImageRiya Sharma28 Nov, 2024
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UPSC ESE Mechanical Engineering Syllabus 2025

UPSC ESE Mechanical Engineering Syllabus 2025: The Union Public Service Commission has published the UPSC ESE Mechanical Engineering syllabus 2025 under official notification PDF. Candidates preparing for the UPSC ESE 2025 for Mechanical Engineering discipline must review the detailed syllabus and exam pattern to ace their preparation.

As per the official exam notification, the UPSC ESE 2025 Prelims exam will be organized on 8 June 2025 and the Mains exam is scheduled to take place on 10 August 2025. Candidates can comprehend the important topics for the ESE question paper by examining the UPSC ESE Mechanical Engineering 2025 syllabus. Read the entire article below to learn more about the UPSC ESE Syllabus 2025 for Mechanical Engineering.

UPSC ESE Mechanical Engineering Syllabus 2025

The UPSC ESE Mechanical Engineering Syllabus 2025 has been released by the Union Public Service Commission and can be viewed in PDF format on its official website @upsc.gov.in. This syllabus covers both the Preliminary and Mains Examinations for Engineering Services Examination. The examination aims to fill up 457 vacancies under various departments and organizations.

Engineering graduates should begin their test preparation by developing a well-organized study plan that matches the UPSC ESE Mechanical Engineering Syllabus 2025 and the UPSC ESE Mechanical Engineering Exam Pattern 2025, both of which are comprehensively discussed in this article.

Every year, the Union Public Service Commission holds the Engineering Services Examination, which provides opportunities for Civil, Mechanical, Electrical, and Electronics and Telecommunications Engineer graduates.

This article contains a comprehensive UPSC ESE 2025 Syllabus and exam pattern for both the ESE prelims and the ESE Mains. Read the entire post for a thorough understanding of the UPSC ESE Syllabus 2025 to prepare effectively.

UPSC ESE Mechanical Engineering Syllabus 2025

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UPSC ESE Mechanical Engineering Syllabus

The Union Public Service Commission plans to hold the ESE Preliminary Examination as the first screening stage (Prelims) on June 8, 2025. The UPSC ESE Prelims Exam consists of objective-type questions covering general studies as well as discipline-specific subjects like Civil Engineering, Mechanical Engineering, Electrical Engineering, Electronics & Telecommunications.

Those who perform well in the preliminary exam will have to appear for Mains exam scheduled to be held on August 10, 2025. This section covers complete coverage of the UPSC ESE Syllabus 2025 for both Prelims and Mains across all Engineering branches to help candidates' preparation.

Candidates who want to pass the UPSC ESE Exam 2025 must learn about the syllabus. For the convenience of applicants, we have included a thorough coverage of the UPSC ESE Mechanical Engineering Syllabus in this post. The Mechanical Engineering section-wise syllabus for the UPSC ESE Exam 2025 is provided here.

UPSC ESE Mechanical Engineering Syllabus 2025 Highlights

The UPSC Engineering Services Examination Notification 2025 specifies the comprehensive UPSC ESE Mechanical Engineering Syllabus for the Prelims and Mains test. The table below summarizes the important highlights of the UPSC ESE ME Syllabus 2025:

UPSC ESE Mechanical Engineering Syllabus 2025
Particulars Details
Name of the exam UPSC ESE 2025
Conducting Authority Union Public Service Commission
Exam Mode Offline
Category Engg Jobs
Post Name IES Officers (Grade A & B)
Total Posts 427
Level of Exam National
Exam Frequency Once a Year
UPSC ESE Prelims Exam Date 2025 8 June 2025
UPSC ESE Mains Exam Date 2025 10 August 2025
Branch specification Mechanical
UPSC ESE Selection Process Preliminary, Mains, and Interview
UPSC ESE Preliminary Exam Type Objective-type
UPSC ESE Mains Exam Type Conventional
UPSC ESE Official Website www.upsc.gov.in

UPSC ESE Mechanical Syllabus 2025 for Prelims

Paper I of the UPSC ESE Prelims 2025 will have questions from the General Studies and Engineering Aptitude sections that are common to all branches. The comprehensive UPSC ESE Syllabus 2025 for General Studies and Engineering Aptitude is provided below:

  • Basics of Material Science and Engineering
  • Engineering Aptitude(Logical reasoning and Analytical ability)
  • Standards and Quality practices in production, construction, maintenance, and services
  • Project Management Basics
  • Current Affairs (National and International)
  • Engineering Mathematics and Numerical Analysis
  • General Principles of Design, Drawing, Importance of Safety
  • Information and Communication Technologies (ICT)
  • Basics of Energy and Environment
  • Ethics and Values in the Engineering Profession

Paper II of the UPSC ESE Preliminary Examination will consist of objective-type questions from the units listed below (both Paper I and Paper II). Candidates who pass the ESE prelims will take the mains examination, which will comprise mechanical engineering questions.

UPSC ESE Mechanical Engineering Syllabus 2025 for Paper I

According to the official ESE notification, candidates must appear for both examinations. The ESE Mechanical Engineering syllabus 2025 includes general study and engineering aptitude. Candidates holding a bachelor's degree in mechanical engineering may apply for the UPSC ESE 2025 examination.

Check out the table below for more information about the UPSC ESE Mechanical Engineering Syllabus 2025 for Paper I.

UPSC ESE Mechanical Engineering Syllabus 2025 for Paper I
Section Important Topics
Fluid Mechanics
  • Basic Concepts and Properties of Fluids
  • Fluid Statics
  • Buoyancy
  • Manometry
  • Equations of Motion
  • Bernoulli’s equation and applications
  • Viscous flow of incompressible fluids
  • Laminar and Turbulent flows
  • Flow through pipes & 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 coefficient
  • 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.
  • Vapour compression refrigeration
  • Refrigerants and Working cycles
  • Compressors
  • Condensers
  • Evaporators and Expansion devices
  • Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo electric 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 RamJet Engines
  • Reciprocating and Rotary Compressors – Theory and Applications
Power Plant Engineering
  • Rankine and Brayton cycles with regeneration and reheat
  • Fuels and their properties
  • Steam turbines and other power plants components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications
  • Flue gas analysis
  • Boilers
Renewable Sources of Energy
  • Solar Radiation
  • Solar Thermal Energy collection - Flat 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, Biomass and Tidal Energy – Methods and Applications
  • Working principles of Fuel Cells.

UPSC ESE Mechanical Engineering Syllabus 2025 for Paper II

The UPSC ESE Mechanical Engineering paper II is based on the subject chosen by the candidate when filling out the ESE application form 2025. To prepare for UPSC ESE Mechanical Engineering 2025, candidates must thoroughly review the complete syllabus.

Examine the table below for more information about the UPSC ESE Mechanical Engineering Syllabus 2025 for Paper II.

UPSC ESE Mechanical Engineering Syllabus 2025 for Paper II
Section Important Topics
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.
Engineering Materials
  • Basic Crystallography
  • Alloys and Phase diagrams
  • Heat Treatment
  • Ferrous and Non Ferrous Metals
  • Non metallic 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
  • Compound and Epicyclic
  • Dynamic Analysis – Slider – crank mechanisms
  • Turning moment computations
  • Ships and aircrafts
  • Governors.
  • 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
  • Balancing of Revolving & Reciprocating masses
  • Gyroscopes – Effect of Gyroscopic couple on automobiles
  • Spiral and Worm Gears
  • Gear Trains- Simple
Manufacturing, Industrial and Maintenance Engineering
  • Metal casting-Metal forming
  • Metal Joining
  • FMS
  • Production planning and Control
  • Inventory control and operations research - CPMPERT.
  • Failure concepts and characteristics-Reliability,
  • Failure analysis,
  • Machine Vibration
  • Field Balancing of Rotors
  • Noise Monitoring
  • Wear and Debris Analysis
  • Signature Analysis,
  • Data acquisition
  • Fault Detection
  • Vibration Monitoring
  • Machining and machine tool operations
  • Limits
  • Fits and tolerances
  • Metrology and inspection
  • Computer Integrated manufacturing,
  • NDT Techniques in Condition Monitoring.
Mechatronics and Robotics
  • Microprocessors and Microcontrollers
  • Hall effect sensor
  • Optical Encoder
  • Resolver
  • Architecture
  • Programming
  • I/O
  • Computer interfacing
  • Programmable logic controller. Sensors and actuators
  • Pneumatic and Hydraulic actuators
  • Stepper motor
  • Control Systems- Mathematical modeling of Physical systems
  • Control signals
  • Controllability and observability.
  • Robotics
  • Robot Classification
  • Piezoelectric accelerometer
  • Inductosyn
  • Robot Specification
  • Notation
  • Direct and Inverse Kinematics
  • Homogeneous Coordinates and Arm Equation of four Axis SCARA Robots.
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

UPSC ESE Mechanical Engineering Exam Pattern 2025

The UPSC ESE Mechanical Engineering Exam Pattern is provided in the ESE notification. The UPSC ESE 2025 exam pattern is divided into preliminary and main examinations. The ESE preliminary test consists of two parts: general and technical abilities, as well as a student-chosen subject.

Two papers are also included in the ESE main examination. Candidates should also review the UPSC ESE Mechanical Engineering syllabus. Exam patterns can be found in the table below.

UPSC ESE Prelims Exam Pattern 2025
Subject Duration Maximum marks Type of paper
General Studies and Engineering Aptitude 2 hours 200 Objective- Type
Civil/Mechanical/Mechanical /Electronics and Telecommunications Engineering 3 hours 300
Total 5 hours 500 marks
UPSC ESE Mains Exam Pattern 2025
ESE/IES Exam Duration Maximum Marks Type of paper
Paper-I (Mechanical Engineering) 3 hrs. 300 Descriptive
Paper-II (Mechanical Engineering) 3 hrs. 300
Total 6 hrs. 600 marks

UPSC ESE Mechanical Engineering Question Paper 2025

On the official website, UPSC provides the ESE question paper in an online mode. The ESE Mechanical Engineering 2025 question paper will be made available in PDF format. Candidates can access the ESE Mechanical Engineering question paper for both examinations by downloading it.

The ESE question paper 2025 will assist students in understanding the exam pattern and important topics of the UPSC ESE Mechanical Engineering syllabus 2025.

Excel your UPSC ESE 2025 preparation journey with UPSC ESE Online Coaching by PW . The Physics Wallah offers well-structured study material, mock tests, e-books, and more.

UPSC ESE Mechanical Engineering Syllabus 2025 FAQs

How can I download the UPSC ESE Mechanical Engineering syllabus 2025?

The UPSC ESE Mechanical Engineering syllabus 2025 is available in PDF format on the official website for candidates to review.

Who will publish the UPSC ESE Mechanical Engineering 2025 syllabus?

The Union Public Service Commission has published the UPSC ESE Mechanical Engineering syllabus 2025 under the official advertisement.

How can I cover UPSC ESE Mechanical Engineering Syllabus 2025?

In order to cover the UPSC ESE Mechanical Engineering Syllabus 2025 effectively, candidates must follow the structured and dedicated study plan.

Is it necessary to review the UPSC ESE Mechanical Engineering 2025 syllabus?

Yes, the UPSC ESE Mechanical Engineering syllabus will assist students in comprehending the important topics and sections.
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