R K Jain is the author of widely used mechanical engineering textbooks and reference guides focused on undergraduate-level topics such as thermodynamics, heat transfer, machine design, strength of materials, and engineering mechanics. His books are commonly formatted as concise notes or solved-question compilations intended for exam preparation and quick revision.
Older editions of the book had notoriously small fonts. A PDF allows you to zoom into complex diagrams and small subscript numbers in steam tables. R K Jain Mechanical Engineering Pdf