: Complicated relationships, like stress concentration factors or fatigue strength reduction factors, are displayed in easy-to-read charts.
It is specifically designed to facilitate the rapid solving of design problems in examinations and real-world projects. Importance of the Data Book in Machine Design machine design data book by vb bhandari pdf free link
Look up the mechanical properties of a tentative material (e.g., Carbon Steel 45C8) in the data book. : Complicated relationships