Rajasthan Public Service Commission
RAS Syllabus (Main): Agriculture Engineering (Code No. 02)
Agriculture Engineering Paper-I
Soil and Water Conservation :- Forms of precipitation, Hydrologic
cycle, Point rainfall analysis, frequency analysis. Water shed-definition and
concept, agricultural Watersheds, prediction of peak runoff, factors affecting
runoff, Hydrograph, Concepts of unit and instantaneous hydrographs.
Erosion-type, affecting factors, damages associated with erosion, assessment of
actual annual soil loss by erosion and its impact on agricultural production and
productivity. Erosion control measures on various classes of lands i.e. contour
cultivation, Strip cropping, terracing, afforestation, pastures etc. A critical
analysis of the role of vegetation in soil and water conservation, grassed water
way and its design. Design of gully control measures including permanent
structures i.e. chute spillway, Drop spillway, drop inlet spillway, retards and
Stream Bank erosion, flood routing, flood amelioration through soil and water
management in upstream zone, mechanics of wind and water erosion, wind erosion
control, water harvesting structures i.e. Khadin, Tanka, Nada and Anicut.
Irrigation-Soil-Water- lant relationship, permeability, Infiltration,
Percolation, water requirements of crops and irrigation scheduling, direct and
indirect methods of soil moisture measurements, Measurements of irrigation
water-Orifice, Weirs, Notches, Parshall flumes, H-flumes etc. Water conveyance
and control, design of field channels and Canals, Lacey and Kennedy theories,
Most economical channel cross section. Selection of underground pipe line
structures and their design, irrigation methods, their hydraulics and design viz-Border,
Furrow, Flood, Drip and sprinklers methods, concepts in irrigation efficiencies.
Drainage :- Benefits of drainage, Hydraulic conductivity, Drainable
porosity, Drainage Coefficient. Surface drainage, Drainage o flat and slopping
lands. Design of open ditches, their alignment and construction. Design and
layout of sub surface drains, depth and spacing of drains and drainage outlets,
installation of drains and drainage wells, drainage wells, drainage of salt
Pumps :- Design, Construction, Performance characteristics, selection,
installation, working principle and maintenance of Reciprocating Pump,
Centrifugal Pump, Turbine Pump, Submersible Pump, Propellers, Jet and air left
pumps and hydraulic ram.
Water Resources Development and Management :- Water resources of India,
Surface water, Ground water, development of irrigation potential, Canal
irrigation, Command area development, on farm development works, acquifier
parameters, Hydraulics of wells, steady and unsteady flow, well log,
construction of wells, Design of well screen, well development.
Fluid Mechanics :- Fluid properties, units and dimensions, mass,
momentum and energy conservation principles, Navier stoke equation, Vorticity-flow
of fluids in pipes and channels, Friction factor, turbulence, instruments, and
Surveying, Leveling and Land Development :- Linear measurements,
different surveying devices and methods, land grading and leveling, contouring
and terracing, each work estimation, Land Development Budgeting, earth moving
machinery and theodelite.
Agricultural Processing :- Various size reduction machinery and energy
requirement. Material Handing Equipment, Separation equipmentbased on size shape
and surface characteristics, Heating and Cooling of food products, mode of heat
transfer, different types of heat exchanges, Psychrometry chart and its
application in drying EMC and its determination, Principles of drying and drying
equipments, types of evaporators, single and multiple effect evaporators,
Refrigeration load calculation, various milling process-Rice, maize, wheat, and
pulse milling, Parboiling of wheat and paddy. Storage of grains and their
design. Principles of food preservation and thermal processing.
Farm Electrification and machine :- AC-DC Machines, DOL starter,
Transformer, 3-phase Induction Motors and Alternators, Transmission and
distribution of electricity. Selection, Installation and general cares of
electric motors on farms, selection of wire sizes based on Indian standards.
Types of wiring and design of wiring systems, Rural electrification.
Farm Power :- Classification of Internal combustion (IC) engines
terminology, Otto diesel cycle, engine components, Fuel supply system,
Lubrication system. Cooling system and Governing system. Types of Tractors,
Brakes, Power Transmission system, Differential, Mechanics of tractor chassis,
Steering system, Hydraulic system and selection of tractors.
Rural Housing :- Building materials and their properties, Design of
Beams, Slabs, Columns and foundations, Planning and design of Rural houses, Farm
Roads, Village drainage system, waste disposal and sanitary structures, material
and cost estimation in construction. Integrated Rural energy planning and
Farm Machinery :- Types of hitching systems and hydraulic depth and
draft control Selection of sowing and planting equipment and their calibration,
Precision planting. Selection and calibration of Sprayers and Dusters. Selection
and operation principles of Harvesting and threshing machines. Cost analysis of
farm equipment and related numerical problems.
Renewable Energy :- Solar Radiation-its measurement, solar thermal
devices and gadgets i.e. solar cooper, solar water heater, solar dryer, solar
refrigeration and Air conditions etc. Solar Photovoltaic devices i.e. solar
lantern, street light, power pack. Bio energy-production, conversion and
utilization route, Biogas-type classification and design of Biogas Plant.
Biomass gasification, Alcoholic fermentation (Ethanol and Methanol Production)
wind energy conversion process i.e., water pumping, wind mills, and Aero
generator. Fuel cell and other chemical sources of energy.
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