GATE 2020 Syllabus for Agriculture Engineering (AG)

    Nikkil Visha Nikkil Visha
    Exams Prep Master

    Agricultural engineering is the engineering discipline that studies agricultural production and processing. GATE Agricultural Engineering Syllabus has been released by the Indian Institute of Technology, Guwahati. Agricultural Engineering syllabus contains the subject topics and general aptitude.

    GATE SyllabusGATE Exam PatternGATE Paper Analysis
    • Agriculture Engineering paper consists of 6 sections.
    • The question paper consists of 60 questions worth 100 marks.
    • Applicants have to attempt all the questions in the duration of three hours.

    GATE 2020 is scheduled for February 01, 02, 08 and 09, 2020 in online mode. It consists of 25 papers including Agriculture Engineering (AG). Candidates applying for GATE Agriculture Engineering (AG) paper can check the complete AE syllabus from this article.

    Direct link to download GATE Agriculture Engineering (AG) syllabus PDF 

    GATE Agriculture Engineering Syllabus 2020

    Candidates can check the section wise syllabus for agriculture engineering:

    Section 1: Engineering Mathematics

    Engineering Mathematics is one of the important and tough section of GATE exam. The section carries 15% weihtage of questions in the question paper. Engineering Mathematics is the branch of applied mathematics concerning mathematical methods and techniques that are typically used in engineering and industry.

    TopicsSub Topics
    Linear AlgebraMatrices and determinants, systems of linear equations, Eigen values and eigen vectors.
    Vector CalculusGradient; divergence and curl; line; surface and volume integrals; Stokes, Gauss and Green’s theorems
    CalculusLimit, continuity and differentiability; partial derivatives; maxima and minima; sequences and series; tests for convergence; Fourier series, Taylor series
    Differential EquationsLinear 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 StatisticsMean, median, mode and standard deviation; random variables; Poisson, normal and binomial distributions; correlation and regression analysis; tests of significance, analysis of variance (ANOVA).
    Numerical MethodsSolutions of linear and non-linear algebraic equations; numerical integration - trapezoidal and Simpson’s rule; numerical solutions of OD.

    Section 2: Farm Power

    Farm power is one of the most expensive and critical inputs when growing a rice crop. Humans, animals and machines are all used as sources of power in agriculture production. When undertaking different operations on a farm, a certain amount of work is required to complete the task.

    TopicsSub Topics
    Sources of PowerSources of power on the farm - human, animal, mechanical, electrical, wind, solar and biomass; bio-fuels
    Farm PowerThermodynamic 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.

    Section 3: Soil and Water Conservation Engineering

    Soil is the thin skin covering the land, clean water is becoming more valuable every day. Soil water relations, evapotranspiration, precipitation, runoff, erosion, flow in natural waterways and through reservoirs, wetland and groundwater hydrology, and water quality.

    TopicsSub Topics
    Fluid MechanicsIdeal 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
    Soil MechanicsEngineering 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 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 LevelingMeasurement 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 ErosionMechanics 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 ManagementWatershed characterization; land use capability classification;rainwater harvesting structures,check dams and farm ponds.

    Section 4: Irrigation and Drainage Engineering

    Soil and Water Conservation Engineering section carries six topics tebulated below. Irrigation is the artificial exploitation and distribution of water at project level aiming at application of water at field level to agricultural crops in dry areas or in periods of scarce rainfall to assure or improve crop production. 

    Core TopicsSub Topics
    Soil-Water-Plant RelationshipWater requirement of crops; consumptive use and evapotranspiration; measurement of infiltration, soil moisture and irrigation water infiltration.
    Irrigation Water Conveyance and Application MethodsDesign 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 HydrologyGroundwater occurrence; Darcy’s Law, steady flow in confined and unconfined aquifers, evaluation of aquifer properties; groundwater recharge.
    Wells and PumpsTypes of wells, steady flow through wells; classification of pumps; pump characteristics; pump selection and installation.

    Section 5: Agricultural Processing Engineering

    Agricultural Engineering deals with the design of farm machinery, the location and planning of farm structures, farm drainage, soil management and erosion control, water supply and irrigation, rural electrification, and the processing of farm products. There are four topics in agricultural engineering mentioned below. 

    TopicsSub Topics
    DryingPsychrometry – 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 UtilizationProcessing of seeds, spices, fruits and vegetables; By-product utilization from processing industries
    Storage SystemsControlled and modified atmosphere storage; perishable food storage, godowns, bins and grain silos.

    Section 6: Dairy and Food Engineering

    Food engineering is a multidisciplinary field which combines microbiology, applied physical sciences, chemistry and engineering for food and related industries. Food engineers provide the technological knowledge transfer essential to the cost-effective production and commercialization of food products and services. 

    TopicsSub Topics
    Heat and Mass TransferSteady 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 FoodKinetics 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.

    GATE Agriculture Engineering Books

    To know, what are the best books for GATE preparation, you need to know your requirement first. You must choose the book which has all the topics. GIven below section wise books for those candidates who appear for GATE Agriculture Engineering exam:

    Books for Engineering Mathematics

    Engineering Mathematics books
    BooksAuthor/ Publisher
    Advanced Engineering MathematicsDass H.K. S Chand; Reprint Edn
    A Mind for Numbers: How to Excel at Math and ScienceBarbara Oakley TarcherPerigee
    A Textbook of Engineering MathematicsN.P. Bali , Laxmi Publications
    Modern Mathematical Methods for Physicists and EngineersCantrell Cambridge University Press

    Books for Farm Machinery

    Farm Machinery books
    Agricultural Machinery ManagementBello R S, LAP Lambert Academic Publishing
    The Book of Farm Implements and MachinesJames Slight
    Farm Machinery And EquipmentHarris Pearson Smith
    Principal Of Agricultural Engg.Vol -I T P & A M Michael Ojha

    Books for Irrigation and Drainage Engineering

    GATE soil Engineering Book
    Book NameAuthorISBN Number
    Soil and Water EngineeringDelmar D. Fangmeier, William J. Elliot813151210X, 978-8131512104
    Hydrology and Soil Conservation EngineeringGhanshyam Das-
    Soil Conservation Service Curve Number (SCS-CN) MethodologyS.K. Mishra, Vijay Singh9048162254, 978-9048162253
    Soil and water conservation engineeringRichard K. Frevert-

    Also Know About GATE Preparation

    Books for Irrigation and Drainage Engineering

    GATE Irrigation drain book

    Book NameAuthorISBN Number
    Irrigation And DrainageLENKA D8127224596, 978-8127224592
    Irrigation Water Resources And Water Power EngineeringModi P.N8189401297, 978-8189401290
    Irrigation EngineeringH.M. Raghunath8126528818, 978-8126528813
    Land Drainage: Principles, Methods and ApplicationsA.K. Bhattacharya, A.M. Michael812592776X, 978-8125927761

    Books for Agricultural Processing Engineering

    GATE agriculture book
    Book NameAuthor
    Question Bank in Agricultural EngineeringAmandeep Godhara
    Agricultural Engineering Soil MechanicsE. McKyes
    Introduction to Agricultural Engineering TechnologyHarry Field and John Solie
    Introduction to Agricultural Engineeringlawrenceo. Roth and Harry Field

    Books for Dairy and Food Engineering

    GATE food engineering book
    Book NameAuthorISBN Number
    Food ScienceB Srilakshmi8122438091, 978-8122438093
    Fundamentals of Food Process EngineeringRomeo T. Toledo1441939660, 978-1441939661
    Obj.Type Questions in Food Process Engg. &TechnologyAnsari Irfan Ahmed8183601928, 978-8183601924
    Introduction to food engineeringR. Paul Singh-

    GATE 2020 Exam Pattern

    GATE Exam Pattern is defined paper wise depending upon candidates’ branch. For this year, IIT Guwahati will hold the Graduate Aptitude Test in Engineering (GATE).

    • The exam is held in online mode (Computer Based Test).
    • GATE consists 2 sections namely General Aptitude and specific subject of the paper
    • The total number of questions in the exam is 65.
    • The exam includes 2 types of Questions - Multiple Choice Questions (MCQs) & Numerical Answer Type (NAT).
    • Applicants have to attempt all the questions in the duration of three hours.
    • The maximum number of questions in GATE are from core subject.
    • GATE Syllabus is based on graduation level.
    • Negative marking is also applicable. There is no negative marking for NAT but it is applicable for MCQs.  For 1 mark MCQs, 1/3 marks will be deducted for every wrong answer. Likewise, for 2 marks MCQs, 2/3 marks will be deducted

    Syllabus Of Other Papers

    Aerospace EngineeringAEMechanical EngineeringME
    Engineering SciencesXEMetallurgical EngineeringMT
    Civil EngineeringCEMining EngineeringMN
    Chemical EngineeringCHPetroleum EngineeringPE
    Computer Science and Information TechnologyCSProduction and Industrial EngineeringPI
    Electronics and CommunicationECTextile Engineering and Fibre ScienceTF
    Electrical EngineeringEEBiotechnologyBT
    Instrumentation EngineeringIN



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