Thermodynamics is a free Android app designed by Engineering Hub to provide mechanical engineering students with a comprehensive study guide. The app covers all the essential topics of Thermodynamics chapter-wise. The study guide is organized into 45 chapters, which provide in-depth explanations of various topics such as Basic Concepts, Properties of Thermodynamics, Equilibrium, Thermodynamics State, Thermodynamics Process, Zeroth Law of Thermodynamics, and Ideal Gas Definition. Additionally, the app covers various laws of thermodynamics, including the First Law of Thermodynamics, Second Law of Thermodynamics, and Carnot's Theorem and Cycle. The app also covers the Air Standard Cycles, Brayton Cycle, Otto Cycle, Diesel Cycle, Dual Cycle, Two-Stroke Engine, and Four-Stroke Engine, among others.

The app's user interface is simple and easy to navigate, making it easy for students to access the study material. The app's content is well-organized, and the explanations are written in a clear and concise manner, making it easy for students to understand the concepts. Overall, Thermodynamics is an excellent study guide for mechanical engineering students who are looking for a comprehensive resource to help them understand the basics of thermodynamics.