Agricultural Engineering
Paper-II
Section A
1. Farm Power and Machinery : Agricultural mechanization
and its scope. Sources of farm power - animate and electro-mechanical.
Thermodynamics, construction and working of internal combustion engines. Fuel,
ignition, lubrication, cooling and governing system of IC engines. Different
types of tractors and power tillers. Power transmission, ground drive, power
take off (p.t.o.) and control systems. Operation and maintenance of farm
machinery for primary and secondary tillage. Traction theory. Sowing
transplanting and interculture implements and tools. Plant protection equipment
- spraying and dusting. Harvesting, threshing and combining equipment.
Machinery for earth moving and land development - methods and cost
estimation. Ergonomics of man-machine system. Machinery for horticulture and
agro-forestry, feeds and forages. Haulage of agricultural and forest produce.
2. Agro-energy : Energy requirements of agricultural
operations and agro-processing. Selection, installation, safety and maintenance
of electric motors for agricultural applications. Solar (thermal and
photovoltoic), wind and bio-gas energy and their utilization in agriculture.
Gasification of biomass for running IC engines and for electric power
generation. Energy efficient cooking stoves and alternate cooking fuels. Distribution
of electricity for agricultural and agro-industrial applications.
Section B
3. Agricultural Process Engineering : Post harvest
technology of crops and its scope. Engineering properties of agricultural
produces and by-products. Unit operations - clearing grading, size reduction,
densification, concentration, drying/dehydration, evaporation, filtration,
freezing and packaging of agricultural produces and byproducts.
Material handling equipment - belt and screw conveyors, bucket
elevators,their capacity and power requirement.
Processing of milk and dairy products - homogenization, cream
separation, pasteurization, sterilization, spray and roller drying, butter
making, ice cream, cheese and shrikhand manufacture. Waste and by-product
utilization - rice husk, rice bran, sugarcane bagasse, plant residues and coir
pith.
4. Instrumentation and computer applications in Agricultural
Engineering :
Electronic devices and their characteristics - rectifiers, amplifiers,
oscillators, multivibrators. Digital circuits — sequential and combinational
system. Application of microprocessors in data acquisition and control of
agricultural engineering processesmeasurement systems for level, flow, strain,
force, torque, power, pressure, vacuum and temperature. Computers —
introduction, input/output devices, central processing unit, memory devices,
operating systems, processors, keyboards and printers.
Algorithms, flowchart specification, programme translation and
problem analysis in Agricultural Engineering. Multimedia and Audio-Visual aids.
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