Introduction to Agricultural processing Engineering in general (Postharvest Engineering, Agricultural Process Engineering, Design of Agricultural Processing Engineering and Food Engineering); Overview of Postharvest Technologies (Cleaning, drying and storage); Application of Heat and mass transfer as applied to food and crop processing (Modes of heat transfer, governing equation and boundary conditions of heat transfer; Heat and mass balances, Heat exchangers); Air properties and psychometry; Moisture content, equilibrium moisture content and moisture sorption isotherms;