Home / gate / IIT Madras : GATE 2019 Syllabus – Agricultural Engineering (AG) – Download Here

IIT Madras : GATE 2019 Syllabus – Agricultural Engineering (AG) – Download Here

Paper Sections Marks Distribution
Subject Questions 70% of the total marks.
Engineering Mathemetics 15% of the total marks.
General Aptitude 15% of the total marks.

Engineering Mathematics

Linear Algebra: Matrices and Determinants, Systems of linear equations, Eigen values and eigen vectors.
Calculus:Limit, continuity and differentiability; partial derivatives; maxima and minima; sequences and series; tests for convergence; Fourier series, Taylor series.
Vector Calculus:Gradient; divergence and curl; line; surface and volume integrals; Stokes, Gauss and Green’s theorems.
Differential Equations:Linear and non-linear first order Ordinary Differential Equations (ODE); Higher order linear ODEs with constant coefficients; Cauchy’s and Euler’s equations; Laplace transforms; Partial Differential Equations – Laplace, heat and wave equations
Probability and Statistics:Mean, median, mode and standard deviation; random variables; Poisson, normal and binomial distributions; correlation and regression analysis; tests of significance, analysis of variance (ANOVA).
Numerical Methods: Solutions of linear and non-linear algebraic equations; numerical integration – trapezoidal and Simpson’s rule; numerical solutions of ODE.
 

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Machine Design:

Design and selection of machine elements – gears, pulleys, chains and sprockets and belts; overload safety devices used in farm machinery; measurement of force, torque, speed, displacement and acceleration on machine elements.

Farm Machinery:

Soil tillage; forces acting on a tillage tool; hitch systems and hitching of tillage implements; functional requirements, principles of working, construction and operation of manual, animal and power operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting, threshing and transport; testing of agricultural machinery and equipment; calculation of performance parameters – field capacity, efficiency, application rate and losses; cost analysis of implements and tractors.

Farm Power 

Sources of Power:

Sources of power on the farm – human, animal, mechanical, electrical, wind, solar and biomass; bio-fuels.

Farm Power:

Thermodynamic principles of I.C. engines; I.C. engine cycles; engine components; fuels and combustion; lubricants and their properties; I.C. engine systems – fuel, cooling, lubrication, ignition, electrical, intake and exhaust; selection, operation, maintenance and repair of I.C. engines; power efficiencies and measurement; calculation of power, torque, fuel consumption, heat load and power losses.

Tractors and Powertillers:

Type, selection, maintenance and repair of tractors and powertillers; tractor clutches and brakes; power transmission systems – gear trains, differential, final drives and power take-off; mechanics of tractor chassis; traction theory; three point hitches- free link and restrained link operations; mechanical steering and hydraulic control systems used in tractors; tractor tests and performance.

Human engineering and safety in design of tractor and agricultural implements

 

Soil And Water Conservation Engineering

Fluid Mechanics:

Ideal and real fluids, properties of fluids; hydrostatic pressure and its measurement; hydrostatic forces on plane and curved surface; continuity equation; Bernoulli’s theorem; laminar and turbulent flow in pipes, Darcy- Weisbach and Hazen-Williams equations, Moody’s diagram; flow through orifices and notches; flow in openchannels.

Soil Mechanics:

Engineering properties of soils; fundamental definitions and relationships; index properties of soils; permeability and seepage analysis; shear strength, Mohr’s circle of stress, active and passive earth pressures; stability of slopes.

Hydrology:

Hydrological cycle and components; meteorological parameters, their measurement and analysis of precipitation data; runoff estimation; hydrograph analysis, unit hydrograph theory and application; stream flow measurement; flood routing, hydrological reservoir and channel routing.

 Surveying and Leveling:

Measurement of distance and area; instruments for surveying and leveling; chain surveying, methods of traversing; measurement of angles and bearings, plane table surveying; types of leveling; theodolite traversing; contouring; computation of areas and volume.

Soil and Water Erosion:

Mechanics of soil erosion, soil erosion types, wind and water erosion, factors affecting erosion; soil loss estimation; biological and engineering measures to control erosion; terraces and bunds; vegetative waterways; gully control structures, drop, drop inlet and chute spillways; earthen dams.

Watershed Management:

Watershed characterization; land use capability classification;rainwater harvesting structures,check dams and farm ponds.

 

Irrigation And Drainage Engineering

Soil-Water-Plant Relationship:

Water requirement of crops; consumptive use and evapotranspiration; measurement of infiltration, soil moisture and irrigation water infiltration.

Irrigation Water Conveyance and Application Methods:

Design of irrigation channels and underground pipelines; irrigation scheduling; surface, sprinkler and micro irrigation methods, design and evaluation of irrigation methods; irrigation efficiencies.

Agricultural Drainage:

Drainage coefficient; planning, design and layout of surface and sub-surface drainage systems; leaching requirement and salinity control; irrigation and drainage water quality and reuse.

Groundwater Hydrology:

Groundwater occurrence; Darcy’s Law, steady flow in confined and unconfined aquifers, evaluation of aquifer properties; groundwater recharge.

Wells and Pumps:

Types of wells, steady flow through wells; classification of pumps; pump characteristics; pump selection and installation.

 

Agricultural Processing And Food Engineering

Drying:

Psychrometry – properties of air-vapors mixture; concentration and drying of liquid foods – evaporators, tray, drum and spray dryers; hydrothermal treatment; drying and milling of cereals, pulses and oilseeds.

Size Reduction and Conveying:

Mechanics and energy requirement in size reduction of granular solids; particle size analysis for comminuted solids; size separation by screening; fluidization of granular solids-pneumatic, bucket, screw and belt conveying; cleaning and grading; effectiveness of grain cleaners; centrifugal separation of solids, liquids and gases.

Processing and By-product Utilization:

Processing of seeds, spices, fruits and vegetables; By-product utilization from processing industries.

Storage Systems:

Controlled and modified atmosphere storage; perishable food storage, godowns, bins and grain silos.

 

Dairy And Food Engineering

Heat and Mass Transfer:

Steady state heat transfer in conduction, convection and radiation; transient heat transfer in simple geometry; working principles of heat exchangers; diffusive and convective mass transfer; simultaneous heat and mass transfer in agricultural processing operations; material and energy balances in food processing systems; water activity, sorption and desorption isotherms.

Preservation of Food:

Kinetics of microbial death – pasteurization and sterilization of milk and otherliquid foods; preservation of food by cooling and freezing; refrigeration and cold storage basics and applications.

General Aptitude Syllabus (Common to all papers) Click Here
Agricultural Engineering AG Syllabus PDF Click Here
 

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SELECT YOUR BRANCH :-
GATE 2018 Information
1. GATE 2018 - MECHANICAL ENGINEERING
2. GATE 2018 - ELECTRONICS AND COMMUNICATION ENGINEERING
3. GATE 2018 - ELECTRICAL ENGINEERING
4. GATE 2018 - CIVIL ENGINEERING
5. GATE 2018 - COMPUTER SCIENCE ENGINEERING
6. GATE 2018 - INSTRUMENTATION ENGINEERING
7. GATE 2018 - CHEMICAL ENGINEERING
 
IES 2018 Information
1. IES 2018 - MECHANICAL ENGINEERING
2. IES 2018 - ELECTRONICS AND COMMUNICATION
3. IES 2018 - CIVIL ENGINEERING
4. IES 2018 ELECTRICAL ENGINEERING
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