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GATE Thermodynamics syllabus 2027- IIT Madras has released the GATE 2027 Thermodynamics syllabus on the official GATE website. Thermodynamics is an important part of the GATE Mechanical Engineering (ME) 2027 syllabus and carries significant weightage in the examination. Candidates preparing for GATE 2027 should thoroughly study all the topics prescribed in the latest syllabus. The GATE Thermodynamics syllabus 2027 includes Basic Concepts of Thermodynamics, First Law of Thermodynamics, Second Law of Thermodynamics, Properties of Pure Substances, Thermodynamic Relations, Thermodynamic Cycles, and Ideal Gas Mixtures. Aspirants are advised to refer to the updated syllabus PDF and exam pattern while planning their preparation for GATE 2027. The GATE examination will be conducted in computer-based test (CBT) mode.
Direct link to check the GATE 2027 Thermodynamics syllabus
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The Thermodynamics subject is one of the optional subjects in the Engineering Sciences(XE) paper of the GATE 2027 exam. The paper code for Thermodynamics is XE-E. The authorities will prepare the GATE question paper as per the thermodynamics syllabus. Candidates must be thorough with all the topics mentioned in the GATE syllabus will ensure high scores in the exam. Along with the syllabus, candidates must check the GATE 2027 exam pattern. Candidates can check the detailed topics-wise GATE thermodynamics syllabus 2027 in this article.
IIT Madras has published the GATE thermodynamics syllabus 2027 PDF on the official website. The Engineering Mathematics section is compulsory and holds 15% weightage. The topic-wise GATE thermodynamics syllabus as per this year's notification is provided in the table below.
| Chapters | Topics |
|---|---|
Basics Concepts | Continuum, microscopic and macroscopic approaches; Thermodynamic systems (closed and open); Thermodynamic properties, state and equilibrium; State postulate for simple compressible substances, paths and processes on property diagrams; Concepts of heat and work, different modes of work; Zeroth law of thermodynamics, concept of temperature. |
First Law of Thermodynamics | Concept of energy and various forms of energy; internal energy, enthalpy; specific heats; first law applied to elementary processes, closed systems and control volumes, steady and unsteady flow analysis |
Second Law of Thermodynamics | Limitations of the first law of thermodynamics, concepts of heat engines and heat pumps/refrigerators, Kelvin-Planck and Clausius statements and their equivalence; reversible and irreversible processes; Carnot cycle and Carnot principles/theorems; thermodynamic temperature scale; Clausius inequality and concept of entropy; microscopic interpretation of entropy, the principle of increase of entropy, T-s diagrams; second law analysis of control volume; availability and irreversibility; third law of thermodynamics |
Properties of Pure Substances | Thermodynamic properties of pure substances in solid, liquid and vapor phases; P-v-T behaviour of simple compressible substances, Concept of triple point and critical point; Ideal and real gases, ideal gas equation of state and van der Waals equation of state. |
Thermodynamic Relations | TdS relations, Helmholtz and Gibbs functions, Gibbs relations, Maxwell relations, Joule-Thomson coefficient, coefficient of volume expansion, adiabatic and isothermal compressibilities, Clapeyron and Clapeyron-Clausius equations |
| Entropy | Clausius inequality and concept of entropy, causes of irreversibility; Entropy generation, the principle of increase of entropy, T-s diagrams; Isentropic process and isentropic efficiency; Second law analysis of system and control volume; Second law efficiency; Concept of third law of thermodynamics. |
Thermodynamic Cycles | Carnot vapor cycle, ideal Rankine cycle, Rankine reheat cycle, air-standard Otto cycle, airstandard Diesel cycle, air-standard Brayton cycle, vapor-compression refrigeration cycle |
Mixtures of Ideal Gases | Dalton’s and Amagat’s laws, properties of ideal gas mixtures, air-water vapor mixtures and simple thermodynamic processes involving them; specific and relative humidities, dew point and wet bulb temperature, adiabatic saturation temperature, psychrometric chart. |
Related links:
Candidates aspiring for the GATE thermodynamics (XE-E) paper must check the exam pattern to familiarise themselves with the question paper format. The authority has released the GATE 2027 thermodynamics exam pattern on the official website. It is important to note that candidates who opt for XE paper have to choose any two subjects.
| Particulars | Details |
|---|---|
Examination Mode | Computer Based Test (Online) |
Duration | 3 Hours |
Section |
|
Type of Questions |
|
Total Marks | 100 Marks |
Marking Scheme | All of the questions will be worth 1 or 2 marks |
GATE Negative Marking |
|
As per this year's GATE thermodynamics paper pattern, candidates have to select an additional GATE exam paper along with thermodynamics. Candidates can check the list of subjects available alongside thermodynamics to appear for the GATE 2027 exam below. The following table will be updated soon after the official announcement.
Subjects | GATE Syllabus |
Polymer Science and Technology | |
Solid Mechanics | |
Fluid Mechanics | |
Atmospheric and Oceanic Sciences | |
Material Science | |
Food Technology | |
| Energy Science | _ |
Candidates preparing for the upcoming GATE 2027 exam can check the GATE preparation tips. The preparation tips will help candidates prepare for the exam strategically.
Understand the GATE 2027 exam pattern and syllabus before starting the preparation.
Create a study pattern and follow it rigorously.
Know the high-weightage topics of the GATE 2027 syllabus and pay special attention to them.
Pick the Correct Reference Materials
Know your strengths and work on weaker areas.
Attempt mock tests to know the paper pattern.
Frequently Asked Questions (FAQs)
IIT Madras will conduct the GATE 2027 exam in online mode.
Yes, the GATE thermodynamics syllabus 2027 has been released on the official website, gate2027.iitg.ac.in.
The GATE thermodynamics syllabus comprises 7 chapters including basic concepts, laws of thermodynamics, properties of pure substances, thermodynamic relations, thermodynamic cycles, and ideal gas mixtures.
On Question asked by student community
Hello Student,
The topic wise mark distribution for GATE 2027 has not been officially released. GATE does not prescript fixed marks for each topic. The weightage varies every year independence on the question paper.
Please mention your GATE paper/branch (such as CSE, ECE, EE, ME, CE, DA, etc.), and we
Hello Dear Student,
Yes, you can appear for the GATE Mechanical Engineering (ME) paper even if you have a B.E./B.Tech in Aeronautical Engineering , provided you meet the GATE eligibility criteria.
However, qualifying GATE ME does not automatically make you eligible for PSU jobs .
Hello, you can check the GATE Mechanical IIT cutoff (marks/score-wise) through this link: GATE Cutoff Marks for IITs and NITs 2026
Hello, the GATE marks required for admission to an NIT in Biotechnology vary depending on the NIT, category, CCMT counselling round, and seat availability. You can check the previous years' GATE cut-offs here: https://engineering.careers360.com/articles/gate-cutoff
Hello,
There is no fixed GATE score that guarantees admission to JEC Jabalpur. The required score varies every year depending on the branch, number of applicants, category, and cutoff trends. As an OBC candidate, you may receive category benefits if applicable. It is advisable to aim for a high GATE
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