Thermodynamic Relations for GATE ME Exam

By : Vikas Bhadoria

Updated : Feb 20, 2021, 23:03

Thermodynamic Relations are an essential part of the GATE ME exam. Several aspects of thermodynamics studied in this section are based on pressure, temperature, mass, and volume. This Topic comes as Thermodynamic Relations MCQ questions, therefore, students need to have a basic understanding to score at the highest level. Most of these fundamentals laws provide information for going through further advanced topics. Though the overall topic of Thermodynamic relation is easy, still, students need specific guidance and the right notes to master the concepts for grasping soundly. Thermodynamic relations is part of different exams for Mechanical Engineering (ME), Computer Science, GATE and several others. This Thermodynamic Relations GATE notes guide will help you in a step-by-step learning curve to be ready for the highest competitive nature for these exams.

Important Thermodynamic Relation topics for GATE ME

Here are the essential Thermodynamic Relations topics for GATE ME that you can study to score at the right potential.




Relations between different aspects of mass, volume, temperature, pressure, specific volume, and density

MAXWELL’s Equation

Different relations on the properties of P, V, T, and S. Understanding of Helmholtz function, Gibbs Function, and their derivatives.

Coefficient of Volume Expansion

Concepts of different Thermodynamic relations

Joule Thomson Coefficient


T-ds Equation


Tips to Solve Thermodynamic Relation Questions for GATE ME

Here are the main tips to solve the Thermodynamic Relations GATE syllabus and work your way to score among the finest.

  • In a cyclic process, Internal Energy remains zero overall.
  • For a junction, the net heat flow is always zero.
  • Internal Energy has no relation to the path of the system.
  • In a system, all the internal bodies emit some form of radiation at different frequencies. And these frequencies depend on body temperature.
  • In an isothermal process, system temperature is the same across the procedure.
  • Adiabatic processes are those where no heat comes or goes out from a system.
  • An isochoric process defines as the volume stays unchanged across the process.
  • The isobaric process is where the system remains at constant pressure throughout.

Importance of Thermodynamic Relations in GATE

GATE exam is the first step for admission into a Master's Degree or program concerning several undergraduate subjects in Science and Engineering across multiple niches. These Thermodynamic Relations notes for ME give students a thorough learning curve for the right preparation ahead.

  • Relations of Pressure, temperature, mass, and volume will help students understand the basic and advanced concepts of Thermodynamics.
  • The thermodynamic Relations syllabus for GATE is an indispensable part with almost five(5) questions on average coming in every year.
  • On average, 10-12 marks comprise Thermodynamic Relations GATE questions.
  • Several Thermodynamic relations are used across multiple topics, so understanding them will help with other essential concepts as well.

You can also get this guide in Thermodynamic Relations notes for GATE pdf to learn them at your preference.

Most recommended Books for Thermodynamic Relations for GATE

Students can use the following Thermodynamic Relations book to be on the right front for their preparation for various competitive exams.

Engineering ThermodynamicsP.K. Nag
Thermodynamics: An Engineering ApproachYunus A. Cengel, Micheal A. Boles
Refrigeration and Air ConditioningC.P. Arora (Applied Thermodynamics)
I.C EnginesV Ganesha (Applied Thermodynamics)
PowerPlant EngineeringP.K. Nag

You can also take Thermodynamic Relations GATE questions and answers pdf from the BYJU'S Exam Prep platform to check your evaluation and skills for preparation.

Why prepare Thermodynamic Relation from BYJU'S Exam Prep?

BYJU'S Exam Prep offers extra opportunities for students and professionals to learn Thermodynamic Relations study material for GATE ME. Students get a thorough explanation with a practical approach to learn the topics with ease and score at their potential. This Thermodynamic Relation syllabus follows structured guidance, expert suggestions, opinions, and solutions to keep students on the right path for their learning curve. You can also test your skills with Thermodynamic Relations online test for GATE to be on par with the high competition required for exams.


Question: What are Thermodynamic Relations?

Thermodynamic relations represent the four fundamental equations with the properties and equations for these elements. These elements are

U = Internal Energy

T = Temperature

P = Pressure

V = Volume

S = Entropy

Several first and second laws of thermodynamics derivations are studies in this topic along with several important equations and coefficients.

Question: What are Maxwell's Thermodynamic relations?

Named after the famous physicist James Clerk Maxwell, these Thermodynamic relations represent the derivatives from the symmetry of second derivatives. Maxwell Thermodynamic relation provides the first step definition for understanding the Thermodynamic potentials.

Question: How can The Thermodynamic Relations quiz help students?

A quiz can check the student's key aspects for understanding topics precisely to match with the competition level preparation.

Question: How to use Thermodynamic Relations MCQ pdf?

With PDF, students can use them digitally anytime or print them to keep up with their preparation.