UNIT 1:
Threshing - traditional methods mechanical threshers - types- principles and operation
Moisture content - measurement - direct and indirect methods - moisture meters
Engineering properties of agricultural produces
Post harvest losses of cereals, pulses and oilseeds, Optimum stage of harvest
Post harvest losses of cereals, pulses and oilseeds, Optimum stage of harvest
Post harvest engineering introduction, objectives and importance
UNIT 2:
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
Types of grain dryers - selection - construction, operation and maintenance of dryers
Drying principles and theory of drying
UNIT 3:
Cylinder separator- Spiral separator
Principles air screen cleaners adjustments
Magnetic separator- Colour sorter
effectiveness of separation and performance index
UNIT 4:
Bucket elevators-pneumatic conveying.
Material Handling –Belt Conveyor
Principles and operation maize sheller
Groundnut decorticator-castor sheller
Screw conveyor - chain conveyor
UNIT 5:
Paddy processing parboiling of paddy methods - merits and demerits
Paddy processing parboiling of paddy methods - merits and demerits
Dehusking of paddy-methods merits and demerits
Constructional details -polishing
Layout of modern rice mill - wheat milling - pulse milling methods Millets and Winnower
