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GATE 2018 Syllabus for Agriculture Engineering (AG)

Last Updated - August 19, 2017

GATE 2018 is scheduled for February 03, 04, 10 and 11, 2018. It consists of 23 papers including Agriculture Engineering (AG). GATE 2018 is conducted by Indian Institute of Technology, Guwahati. The entire syllabus of each paper is available on the official website of IIT, Guwahati. Candidates applying for GATE Agriculture Engineering (AG) paper can check the complete GATE Syllabus from this article.

  • Agriculture Engineering paper consists of seven sections namely- Engineering Mathematics, Farm Machinery, Farm Power, Soil and Water Conservation Engineering, Irrigation and Drainage Engineering, Agricultural Processing Engineering, and Dairy and Food Engineering.
  • The question paper consists of 60 questions worth 100 marks. 
  • Applicants have to attempt all the questions in the duration of three hours. 

GATE (Graduate Aptitude Test in Engineering) is a national level online test (pen and paper based test). The exam is held for admission to M.Tech and Ph.D. programs in the field of engineering and technology. It is conducted on rotational basis by zonal IITs and IISc Bangalore. For the academic year 2018-19, Indian Institute of Technology Guwahati will hold GATE.

GATE AG Syllabus 2018- 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.

Engineering Mathematics Important Topics

  • Linear Algebra
  • Calculus 
  • Differential Equations
  • Probability and Statistics
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.

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

GATE AG Syllabus 2018- Farm Machinery

Farm Machinery is mechanery that is used or intended for use in farming operations, including any combine, tractor, implement, engine, motor or attachment, but not including a motor vehicle within the meaning of the Highway Traffic. This section has two topics nemely- Machine Design and Farm Machinery.
TopicsSub Topics
Machine DesignDesign 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 MachinerySoil 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.

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

GATE AG Syllabus 2018- 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.

Books for Farm Power

Farm power books
Farm Power and Machinery ManagementDonnell Hunt, Waveland Pr Inc
Farm Machinery and PowerAware Powar, New India Publishing Agency
Tractors and Their Power UnitsE.L. Barger, John Wiley & Sons Inc
Farm Power And Machinery EngineeringSanjay Kumar Dr. R. Suresh, Standard Publishers Distributors

Check GATE Question Papers

GATE AG Syllabus 2018- 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.

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

GATE AG Syllabus 2018- 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. 

Irrigation and Drainage Engineering Important Topics

  • Soil-Water-Plant Relationship
  • Agricultural Drainage
  • Irrigation Water Conveyance and Application Methods
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.

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

Also Check GATE Exam Pattern

GATE AG Syllabus 2018- 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.

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

GATE AG Syllabus 2018- 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.

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-

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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