This book is aimed to present the topics of Mechanical Engineering in a systematic, integrated and precise manner, primarily to meet the requirements of the aspirants of GATE (ME) and help them qualify the examination without unreasonable strain. The book is a self-explanatory and a fully-competent text for similar competitive examinations and undergraduate courses in mechanical engineering. The book helps to solve problems faced by aspirants in terms of extensive syllabus coverage, existing incongruity with syllabus, unavailability of a standard book, etc.