Mechanical Engineering is perhaps the oldest existing branch of engineering. It encompasses designing, manufacturing and maintenance of machines. Technological advances have widened the scope of this discipline. This book brings forth the existing as well as modern approaches of this field. It will also provide interesting topics for research. In this book, using case studies and examples, constant effort has been made to make the understanding of the difficult concepts of mechanical engineering as informative as possible for readers. It aims to serve as a resource guide for students and experts alike and contribute to the growth of this discipline.