Gate 2018 Syllabus for Agricultural Engineering (AG)

Gate 2018 Syllabus for Agricultural Engineering (AG)

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; Test For Convergence; Fourier 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 Odes; Higher Order Linear Odes With Constant Coefficients; Cauchy’s And Euler’s Equations; Laplace Transforms; Pdes -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.

Numerical Methods: Solutions Of Linear And Non-Linear Algebraic Equations; Integration Of Trapezoidal And Simpson’s Rule; Single And Multi-Step Methods For Differential Equations.

FARM MACHINERY AND POWER

Sources Of Power On The Farm-Human, Animal, Mechanical, Electrical, Wind, Solar And Biomass; Bio-Fuels; 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.

Soil Tillage; Forces Acting On A Tillage Tool; Hitch Systems And Hitching Of Tillage Implements; Mechanics Of Animal Traction; 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

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 Power Tillers – Type, Selection, Maintenance And Repair; 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; Human Engineering And Safety In Tractor Design; Tractor Tests And Performance.

SOIL AND WATER CONSERVATION ENGINEERING

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 Open Channels.

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

Hydrological Cycle; Meteorological Parameters And Their Measurement, Analysis Of Precipitation Data; Abstraction From Precipitation; Runoff; Hydrograph Analysis, Unit Hydrograph Theory And Application; Stream Flow Measurement; Flood Routing, Hydrological Reservoir And Channel Routing.

Measurement Of Distance And Area; Chain Surveying, Methods Of Traversing; Measurement Of Angles And Bearings, Plane Table Surveying; Types Of Levelling; Contouring; Instruments For Surveying And Levelling; Computation Of Earth Work.

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; Water Harvesting Structures, Farm Ponds, Watershed Management.

Soil-Water-Plant Relationship, Water Requirement Of Crops; Consumptive Use And Evapotranspiration; Irrigation Scheduling; Irrigation Efficiencies; Design Of Irrigation Channels; Measurement Of Soil Moisture, Irrigation Water And Infiltration; Surface, Sprinkler And Drip Methods Of Irrigation; Design And Evaluation Of Irrigation Methods.

Drainage Coefficient; Planning, Design And Layout Of Surface And Sub-Surface Drainage Systems; Leaching Requirement And Salinity Control; Irrigation And Drainage Water Quality. Groundwater Occurrence Confined And Unconfined Aquifers, Evaluation Of Aquifer Properties; Well Hydraulics; Groundwater Recharge. Classification Of Pumps; Pump Characteristics; Pump Selection And Installation

AGRICULTURAL PROCESSING AND FOOD ENGINEERING

Steady State Heat Transfer In Conduction, Convection And Radiation; Transient Heat Transfer In Simple Geometry; Condensation And Boiling Heat Transfer; 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; Centrifugal Separation Of Solids, Liquids And Gases; Kinetics Of Microbial Death – Pasteurization And Sterilization Of Liquid Foods; Preservation Of Food By Cooling And Freezing; Refrigeration And Cold Storage Basics And Applications; Psychrometry – Properties Of Air-Vapour Mixture; Concentration And Drying Of Liquid Foods – Evaporators, Tray, Drum And Spray Dryers.

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.

Hydrothermal Treatment, Drying And Milling Of Cereals, Pulses And Oilseeds; Processing Of Seeds, Spices, Fruits And Vegetables; By-Product Utilization From Processing Industries. Controlled And Modified Atmosphere Storage; Perishable Food Storage, Godowns, Bins And Grain Silos