This version add many GATE problems. The number of solved examples is 281. This book describes typical issues that are taught and covered in first year class of fluid mechanics with various example applications with many visual illustrations. The focus of the book is on effective learning and current state of the art. The presentation is built from ground up to facilitate familiarity with many concepts used in real life. The concepts are described in easy and plain terms avoiding the jargon as much as possible. The real word examples are provided engaging the readers with the material. There are several unique parts of the book. This is the only book containing many innovative ideas, for example describing Nusselt methods (Dimensional ...