The present edition of the “Handbook” series has been designed to work as a quick revision aid for the students. It is a compact, portable, revision book suitable for problem solving and exam revision. Containing almost all useful formulae, equations, key notes, and definitions, this handbook has been specifically designed for the students to score higher marks in GATE, IES & PSUs. The book is also formulated with theoretical concepts related to Mechanical Engineering, supported with formulae and circuit diagrams for better understanding.