| Feature | Free PDF (Old edition) | Physical Book (New edition) | | :--- | :--- | :--- | | | Missing pages, outdated codes | Updated syllabus, new questions | | Revision Speed | Slow (staring at a screen/laptop) | Fast (flip pages, highlight, sticky notes) | | Eyesight | Bad for long study hours | Neutral (paper is easier on the eyes) | | Exam Hall | Not allowed | Use it for practice at home |
Stress and strain, shear force and bending moment diagrams, torsion, and columns. | Feature | Free PDF (Old edition) |
: Machine Design, Automobile Engineering, Engineering Drawing, and Power Plant Engineering. Features for Competitive Exams outdated codes | Updated syllabus