This book "Fluid Mechanics" has been design to cover the syllabus of Mathematics required for the B.Sc. (Hon.), M. Sc. and Engineering students of the Indian Universities. The subject of Fluid Mechanics deals with the Laws Governing the pressure and flow of fluids and the application of these laws to engineering practice. The term fluid includes Liquid and gases. The term fluid is applied to all the substance which offer no resistance to change of shape.