GATE 2025 Thermodynamics Syllabus (Available) – Download (XE) E PDf Here

The GATE 2025 syllabus for Thermodynamics has been officially released by IIT Roorkee. This national-level examination is vital for admission into postgraduate programs in engineering and technology, particularly ME/M.Tech. The syllabus for Thermodynamics outlines the key topics that candidates need to master for the exam.

Scheduled to be held on the 1st, 2nd, 15th, and 16th of February 2025, the GATE 2025 exam will include a comprehensive Thermodynamics syllabus. This syllabus covers critical areas such as the laws of thermodynamics, thermodynamic cycles, heat transfer, and statistical mechanics. Understanding these concepts is crucial for candidates aiming to excel in their postgraduate studies.

GATE (Graduate Aptitude Test in Engineering) is a national-level entrance exam designed for those seeking admission into various engineering and technology programs. Achieving a strong score on the GATE exam can significantly enhance opportunities for advanced studies in prestigious institutions. For detailed and up-to-date information on the GATE 2025 Thermodynamics syllabus, candidates should consult the official guidelines provided by IIT Roorkee.

GATE 2025 Thermodynamics Syllabus – PDF Released

GATE 2025 Thermodynamics Syllabus

Section 1: Basic Concepts

Continuum and macroscopic approach; thermodynamic systems (closed and open); thermodynamic properties and equilibrium; the state of a system, state postulate for simple compressible substances, state diagrams, paths and processes on state diagrams; concepts of heat and work, different modes of work; the zeroth law of thermodynamics; the concept of temperature.

Section 2: First Law of Thermodynamics

The 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.

Section 3: 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; the third law of thermodynamics.

Section 4: Properties of Pure Substances

Thermodynamic properties of pure substances in solid, liquid and vapor phases; P-v-T behaviour of simple compressible substances, phase rule, thermodynamic property tables and charts, ideal and real gases, an ideal gas equation of state and van der Waals equation of state; the law of corresponding states, compressibility factor, and generalized compressibility chart.

Section 5: Thermodynamic Relations

T-ds relations, Helmholtz and Gibbs functions, Gibbs relations, Maxwell relations, Joule-Thomson coefficient, a coefficient of volume expansion, adiabatic and isothermal compressibilities, Clapeyron and Clapeyron-Clausius equations.

Section 6: Thermodynamic Cycles

Carnot vapour cycle, Ideal Rankine cycle, Rankine Reheat cycle, air-standard Otto cycle, air-standard Diesel cycle, air-standard Brayton cycle, vapour-compression refrigeration cycle.

Section 7: Ideal Gas Mixtures

Dalton’s and Amagat’s laws, properties of ideal gas mixtures, air-water vapor mixtures, and simple thermodynamic processes involve them; specific and relative humidities, dew point, wet bulb temperature, adiabatic saturation temperature, and psychrometric chart.

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Sunil Kushwaha

As a dedicated Biology Science graduate, I’m passionate about sharing the latest updates in national and state entrance exams through my blog. I aim to keep aspiring students informed about exam trends, important dates, and changes in syllabi. With a keen interest in education, I strive to offer valuable insights for students navigating the competitive landscape of entrance examinations and admission tests. Stay updated with me.