Post harvest engineering - introduction - objectives - post harvest losses of cereals, pulses and oilseeds- importance optimum stage of harvest. Threshing - traditional methods - mechanical threshers - types-principles and operation-moisture content - measurement - direct and indirect methods - moisture meters - equilibrium moisture content. Engineering properties of agricultural produces.

Psychrometry-importance - Psychrometric charts and its uses - Drying - principles and theory of drying-thin layer and deep bed drying - Hot air drying-methods of producing hot air-Types of grain dryers - selection - construction, operation and maintenance of dryers-Design of dryers

Principles-air screen cleaners - adjustments - cylinder separator-spiral separator - magnetic separator-colour sorter-inclined belt separator-length separators -effectiveness of separation

Principles and operation-maize sheller, husker sheller for maize-groundnut decorticator castor sheller-material handling-belt conveyor-screw conveyor-chain conveyor-bucket elevators-pneumatic conveying.

Paddy processing-parboiling of paddy - methods - merits and demerits - dehusking of paddy -methods - merits and demerits - rice polishers -types-constructional details polishing -layout of modern rice mill- wheat milling - pulse milling methods - oil seed processing