GATE Thermodynamics Syllabus

GATE Thermodynamics Syllabus

XE-E Thermodynamics

Section 1: Basic Concepts
Continuum and macroscopic approach; thermodynamic systems (closed and
open); thermodynamic properties and equilibrium; 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; zeroth law
of thermodynamics; concept of temperature.

Section 2: 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.

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; third
law of thermodynamics.

Section 4: Properties of Pure Substances
Thermodynamic properties of pure substances in solid, liquid and vapor phases; P-vT behaviour of simple compressible substances, phase rule, thermodynamic
property tables and charts, ideal and real gases, ideal gas equation of state and
van der Waals equation of state; 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, coefficient of volume expansion, adiabatic and
isothermal compressibilities, Clapeyron and Clapeyron-Clausius equations.

Section 6: Thermodynamic Cycles
Carnot vapor cycle, ideal Rankine cycle, Rankine reheat cycle, air-standard Otto
cycle, air-standard Diesel cycle, air-standard Brayton cycle, vapor-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 involving them; specific and relative
humidities, dew point and wet bulb temperature, adiabatic saturation temperature,
psychrometric chart.

 

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