This document provides an overview of the field of mechanical engineering. It discusses the many scopes and applications of mechanical engineering, including flows of mechanisms, heat, work, money, forces, ideas, goods, and more. It also lists examples of applications ranging from nano technology to aerospace like the Three Gorges Dam and NASA's space shuttle. The document outlines that mechanical engineers can work in a wide variety of industries and that virtually every modern product or service is touched by mechanical engineering. It provides statistics on employment prospects for mechanical engineers both in Nepal and globally.