GATE Syllabus for Agricultural Engineering (AG) 2021| GATE Revised Syllabus 2021


GATE Syllabus for Agricultural Engineering (AG) 2021- GATE syllabus for agricultural engineering 2021 – Indian institute of technology Bombay has been released the gate 2021 complete syllabus. There is a total of 27 subjects paper will going to be held or conduct by the organization that is the Indian Institute of Bombay. The two new additional subject has been added this time. The syllabus of gate 2021 for architecture and Engineering is going to be discussed in detail in this article so read this article carefully. 2001 and you are going to appear for the GATE exam 2021 for agricultural engineering they must need to prefer the syllabus for that before going for preparation. The application needs to prepare for the

GATE entrance exam as early as possible. GATE syllabus plays an important role in making a roadmap of cracking the GATE exam. Complete topics in detail have been given below for the GATE syllabus of agriculture engineering. complete syllabus of Agricultural Engineering has been given below all students can download these labors which are present in the PDF format. The core topic and subtopic also mention in this syllabus apart from that mathematics and general aptitude syllabus is also present. With GATE syllabus 2021 for agriculture engineering exam pattern and marking scheme is present in this article. GATE exam 2021 will be going to conduct by IIT Bombay on February 5 6 7 and 12 13 14, 2021.

Latest:- GATE 2021 application form has been released applicant can apply the GATE exam 2021 by clicking on the direct link which is given below. GATE 2021 online application form is available till 30 September 2020.

GATE Syllabus for Agricultural Engineering (AG) 2021

There are a lot of things present in the agricultural engineering syllabus of the gate such as Engineering mathematics farm machinery from powder soil and water conservation engineering irrigation and drainage engineering agriculture processing engineering and dairy food Engineering. These are the core topic of agricultural Engineering and subtopic are also present below. So let’s get started.

Gate 2021 General Aptitude Syllabus

The general aptitude syllabus is completely the same as the previous year. there will be no change in the exam pattern of the general aptitude syllabus also. there will be 10 questions asked in the question paper related to the general aptitude section. out of these 10 questions, 5 questions will contain one mark each and another 5 questions will contain 2 marks each. The General Aptitude section carries two-part that is the verbal ability and numerical ability.

Topics from Agriculture Engineering

Section 1: Engineering Mathematics

Linear Algebra

Matrices and determinants, linear and orthogonal transformations, Caley-Hamilton theorem; Eigenvalues and Eigenvectors, solutions of linear equations.


Limit, continuity, and differentiability; partial derivatives; homogeneous function – Euler’s theorem on homogeneous functions, total differentiation; maxima and minima of function with several independent variables; sequences and series – infinite series, tests for convergence; Fourier, Taylor, and MacLaurin series.

Vector Calculus:

Vector differentiation, scalar, and vector point functions, vector differential operators – del, gradient; divergence and curl; physical interpretations-line, surface and volume integrals; Stokes, Gauss, and Green’s theorems.

Differential Equations:

Linear and non-linear first order Ordinary Differential Equations (ODE); homogeneous differential equations, higher-order linear ODEs with constant coefficients; Laplace transforms and their inverse; 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.

Numerical Methods:

Solutions of linear and non-linear algebraic equations; numerical integration – trapezoidal and Simpson’s rule; numerical solutions of ODEs.

Section 2: Farm Machinery

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, stress, torque, speed, displacement, and acceleration on machine elements – shafts, couplings, keys, bearings, and knuckle joints.

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 and threshing calculation of performance parameters – field capacity, efficiency, application rate, and losses; cost analysis of implements and tractors.

Section 3: 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; performance index, cost analysis of implements and tractors.

Tractors and Power tillers

Type, selection, maintenance, and repair of tractors and power tillers; 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; steering and hydraulic control systems used in tractors; tractor tests and performance; human engineering and safety considerations in the design of tractor and agricultural implements.

Section 4: Soil and Water Conservation Engineering

Fluid Mechanics:

Ideal and real fluids, properties of fluids; hydrostatic pressure and its measurement; continuity equation, kinematics, and dynamics of flow; Bernoulli’s theorem; laminar and turbulent flow in pipes, DarcyWeisbach and Hazen-Williams equations, Moody’s diagram; flow through orifices, weirs, and notches; flow in open channels, dimensional analysis – concepts of geometric dimensionless numbers.

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, Terzaghi’s one-dimensional soil consolidation theory


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

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; total station, introduction to GPS survey, computation of areas, and volume

Soil and Water Erosion

Mechanics of soil erosion – wind and water erosion: soil erosion types, 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 and land use capability classification; water budgeting in the watershed, rainwater harvesting, check dams, and farm ponds.

Section 5: 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; nonconventional drainage system.

Groundwater Hydrology

Groundwater occurrence; Darcy’s Law, steady and unsteady flow in confined and unconfined aquifers, groundwater exploration techniques; overview of groundwater recharge estimation and artificial recharge techniques.

Wells and Pumps

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

Section 6: Agricultural Process Engineering

Engineering properties of agriculture produce

Physical, thermal, frictional, Rheological and electrical properties

Engineering properties of agriculture produce

Concentration and drying of liquid foods – evaporators, tray, drum and spray dryers; hydrothermal treatments; drying and milling of cereals, pulses, and oilseeds; drying kinetics; psychrometry – properties of air-water vapor mixture.

Size Reduction and Material Handling

Mechanics and energy requirement in size reduction of agriculture produce; 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 separation; centrifugal separation of solids, liquids, and gases; homogenization; filtration and membrane separation.

Processing of Agriculture Produce

Processing of seeds, spices, fruits, and vegetables; value addition of agriculture produce.

Storage Systems:

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

Section 7: 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 other liquid foods; preservation of food by cooling and freezing; refrigeration and cold storage basics and applications.

Click Here to download complete pdf format of GATE Syllabus for Agricultural Engineering (AG)

How to prepare for agricultural engineering? 

This query has been asked by most of the reader so our research team research this query and provide the best solution for the students were facing this problem. The basic step is that where almost all student it does not know where to start gate agricultural engineering preparation. as we know that agriculture engineering syllabus is very wide and this syllabus is further divided into three major sections. Participants or applicants get confused about which section should they kept for priority. As we already discuss that application needs to start their GATE entrance exam preparation before a year ago or as early as they can possible.

The reason behind that it is a highly competitive exam and very difficult to crack this exam because the competition level is very high. Apart from that students make their road map in that way so that they can cover the complete syllabus in 4 to 5 months and rest time they will get to spend on solving mock tests and previous year question paper. Read all the preparation tips which are given below carefully they will play an important role at the time of preparation of the GATE entrance exam.

The basic foundation of each topic

The applicant needs to go all the basic knowledge of all topics. this is because that applicant can able to solve any type of question if they basic knowledge is clear about that. if it is not possible then the application not able to solve a simple tricky question if it has arrived in the question paper of GATE. according to our research team applicants need to start their gate preparation from the easiest topic because after covering the easiest topic students assured to get or score marks in that topic.

After completing all the easiest topic applications need to move on a difficult one. To avoid the basic foundation of each topic it means that you are not going through deep in the concept.

Section-wise Strategies

As we already said that applications need to make their strategies for a roadmap with taking the syllabus in hand. The basic method for creating strategies is to start grabbing all things according to section wise. Agriculture engineering is divided into 3 sections such as general aptitude mathematics and subject base section. The applicant goes for the general aptitude section at first because it is the easiest section and helps to get a score. then the application needs to move towards the mathematics section and after that subject is section. 

Focus on Numerical

focus on numerical is an important strategy that helps to score completely and assured marks in the entrance exam. Applicants are able to solve all types of tricky numerical if their basic concept about the topic is clear. Applicants need to work on their speed and accuracy during solving numerical and enhance their mental calculations also. 

Complete the Syllabus

Make your strategies or roadmap in such a way that student can complete their syllabus before time. After completing the syllabus left out time used for revision purposes or solved the previous year question paper. We know that most of the students are not able to reach until the end of the syllabus because the syllabus is too vast. However, applications need to make their roadmap in such a way so that they can reach their target before time.

How can I get the complete syllabus of the agricultural Engineering GATE exam?

Students can get the complete syllabus in a detailed format from this page only. And the student can able to download the GATE syllabus for the agricultural engineering exam in PDF format for free. the other option is that the applicant can reach out to the official website of the GATE entrance exam.

Is there negative marking in the GATE entrance exam?

yes there will be negative marking in the GATE entrance exam but the negative marking is only present in MCQ