UNIT 1:
Post-harvest-engineering, introduction, objectives, importance
Post harvest losses of cereals, pulses and oilseeds
Thershers - types- principles and operation
Moisture content - measurement - direct and indirect methods
Moisture meters, equilibrium moisture content
Moisture meters, equilibrium moisture content
Engineering properties of agricultural produce.
UNIT 2:
Principles, air screen cleaners: types, adjustments
Cylinder separator, spiral separator, magnetic separator,
Colour sorter, inclined belt separator, length separators, effectiveness of separation and performance index.
Different types of graders for cereals, pulses and oil seed crops.
Thin layer and deep bed drying
Drying: principles and theory of drying
Hot air drying, methods of producing hot air
Types of grain dryers, selection, construction, operation and maintenance of dryers
UNIT 3:
Belt conveyor, screw conveyor, chain conveyor
Belt conveyor, screw conveyor, chain conveyor
Bucket elevators, pneumatic conveying
Direct and indirect types of damages
Traditional and modern types of storage structures
Traditional and modern types of storage structures
Storage structure & Design
UNIT 4:
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, performance evaluation of modern mills
Wheat milling, pulse milling methods
Wheat milling, pulse milling methods
Wheat milling, pulse milling methods
Dehusking of paddy: methods, merits and demerits
Sugarcane crushing, extraction recovery and processing of jaggery.
Principles and operation- maize sheller, husker sheller for maize
UNIT 5:
Physical and thermal properties of fruits and vegetables
Maturity indices for fruits
Electronic colour sorting of fruits and vegetables
Cleaning and grading of fruits and vegetables
Unit operation of fruit processing
Blanching of fruits and vegetables, thermal processing of fruit pulps
Controlled and Modified atmospheric storage
