Fluid density, compressible and incompressible fluids; Fluid Properties Mass density specific weight specific volume and specific gravity, Pressure, relationship between pressure and density for ideal gas; Hydrostatic equilibrium in gravitational and centrifugal force fields; Pascal’s law; Measurement of fluid pressure, manometers, Archimedes principle and buoyancy. Methods of analysis and description - fluid as a continuum – Velocity and stress field - Newtonian and non-Newtonian fluids – Classification of fluid - fluid motion.