This book provides fundamentals of Mechanical Engineering for the undergraduate students of all branches of engineering. The various topics of Mechanical Engineering that are discussed in the book are:Machine tool and fabrication processThermodynamics, IC engines and steam turbinesHydraulic turbines and pumpsRefrigeration and air-conditioningPower transmission methods and devicesStresses, strain, shear force and bending moment diagramsNumerical control machines. (NC and CNCs)Applied mechanics.A large number of worked out problems, exercises and MCQs are provided in all the chapters.