I understand you're asking me to based on the book: "New: 1000 Solved Problems in Fluid Mechanics (Includes Hydraulic Machines)" by K. Subramanya Since you haven't specified the exact type of feature (e.g., for a website, an app, a study tool, or a textbook companion), I will assume you want practical, implementable features that could be built around this book to help students, teachers, or self-learners.