# GATE AG Syllabus 2025: Agricultural Engineering

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Explore the comprehensive GATE Agricultural Engineering (AG) syllabus for 2025 to kickstart your exam preparation and achieve success.

GATE AG Syllabus 2025 – GATE 2025 exam will be conduct by IIT, Roorkee on dates 1, 2 and 8, 9 February, 2025.

Here we have provided latest Agricultural Engineering syllabus & paper pattern for GATE 2025 aspirants.

All candidates with Agricultural Engineering subject are advised to download this latest syllabus before starting their GATE 2025 exam preparation.

### GATE 2025 Highlights

 GATE 2025 Conducting Body IIT, Roorkee GATE 2025 Exam Date 1, 2, 8, 9 February, 2025 GATE 2025 Total Subjects 30 GATE 2025 Exam Mode ONLINE Computer Based Test (CBT) GATE 2025 Exam Duration 3 hours (180 minutes) GATE 2025 Total Questions 10 (GA) + 55 (subject)= 65 GATE 2025 Total Marks 100 GATE 2025 Question Type MCQ, MSQ, NAT

### GATE Agricultural Engineering Paper Pattern 2025

Paper SectionsMarks Distribution
Subject Questions72% of the total marks.
Engineering Mathemetics13% of the total marks.
General Aptitude15% of the total marks.

### GATE Agricultural Engineering Exam Pattern Details 2025

Particulars Details
Mode of Exam Online
Number of Questions 65
Duration of Exam 3 hours
Pattern of Questions
• Multiple Choice Questions (MCQs)
• Numerical Answer Type Questions (NAT)
Marking Scheme
• For MCQ’s -Test Paper carry 1 mark and 2 marks for questions with 13 and 23 negative marking for incorrect answers respectively.
• For NAT – No negative marking.
Number of Sections
• Section 1- General Aptitude
• Section 2 – Engineering Mathematics and Core Discipline Questions.
Topic wise weightage
• General Aptitude – 15%
• Engineering Mathematics – 15%
• Core Discipline Questions – 70%

### GATE Agricultural Engineering Syllabus for General Aptitude 2025

Topics Subtopics
Verbal Aptitude
• English grammar
• Vocabularies
• Narrative sequencing
Quantitative Aptitude
• Data interpretation
• 2 &  3-dimensional plots
• Maps & tables
• Numerical computation & estimation that includes ratios, percentages, powers, exponents & logarithms
• Permutations & combinations
• Mensuration & geometry
• Elementary statistics & probability
Analytical Aptitude
• Logic: Deduction & induction Analogy
• Numerical relations & reasoning
Spatial Aptitude
• Transformation of shapes like translation, mirroring , rotation & scaling
•  Assembling &  grouping
• Paper folding, cutting, and patterns (2 & 3 dimensions)

### GATE Agricultural Engineering Syllabus for Engineering Mathematics 2025

Topics Syllabus
Linear Algebra
• Linear dependence and independence
• Vector space
• Matrix algebra, eigen values and eigen vectors
• Solution of linear equations- existence and uniqueness
• Rank .
Calculus
• Mean value theorems
• Theorems of integral calculus
• Evaluation of definite and improper integrals
• Partial derivatives, maxima and minima
• Multiple integrals, line, surface and volume integrals
•  Taylor series
Differential Equations
• First order equations (linear and nonlinear)
• Higher order linear differential equations
• Cauchy’s and Euler’s equations
• Methods of solution using variation of parameters
• Complementary function and particular integral
• Partial differential equations
• Variable separable method
• initial and boundary value problems
Vector Analysis
• Vectors in plane and space
• Vector operations
• Gauss’s, Green’s and Stokes’ theorems.
Complex Analysis
• Analytic functions
• Cauchy’s integral theorem
• Cauchy’s integral formula, sequences, series, convergence tests
• Taylor and Laurent series, residue theorem.
Probability and Statistics
• Mean, median, mode, standard deviation
• Combinatorial probability
• Probability distributions
• Binomial distribution
• Poisson distribution
• Exponential distribution
• Normal distribution
• Joint and conditional probability.

### GATE Agricultural Engineering Syllabus for Core Subjects 2025

Subjects Syllabus
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, 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 the design of tractors 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 open channels.
• 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 subsurface drainage systems; leaching requirement and salinity control; irrigation and drainage water quality and reuse; non-conventional 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.
Agricultural Processing 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 oil seeds.
• 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.
• Processing of Agriculture Produce: Processing of seeds, spices, fruits, and vegetables; value addition of agricultural produce.
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.

### GATE Agricultural Engineering Syllabus Weightage 2025

Topic Expected Weightage in Marks
General Aptitude 10
Engineering Mathematics 10-12
Farm Machinery 10
Farm Power 7-8
Soil and Water Conservation Engineering 15
Irrigation and Drainage Engineering 3-4
Dairy and Food Engineering 5-8

## What is GATE Agricultural Engineering exam?

GATE Agricultural Engineering is a national level entrance exam for admission to postgraduate programs in Agricultural Engineering and related fields at various institutes across India.

## What is the syllabus for GATE Agricultural Engineering?

The syllabus for GATE Agricultural Engineering includes various topics such as Soil and Water Conservation Engineering, Farm Power and Machinery, Irrigation and Drainage Engineering, etc. You can check the official website of GATE for a detailed syllabus.

## What is the exam pattern for GATE Agricultural Engineering?

The GATE Agricultural Engineering exam is a computer-based test that consists of 65 questions worth a total of 100 marks.

The paper has two types of questions - multiple-choice questions (MCQs) and numerical answer type (NAT) questions. The duration of the exam is 3 hours.

## How should I prepare for GATE Agricultural Engineering?

To prepare for GATE Agricultural Engineering, you should follow a structured study plan, make notes, and practice solving previous year question papers and mock tests.

You should also refer to standard textbooks and study materials, attend online courses, and seek guidance from experts or mentors.

## What are the best books for GATE Agricultural Engineering preparation?

Some of the best books for GATE Agricultural Engineering preparation are:

1. Soil and Water Conservation Engineering - Glenn O. Schwab
2. Farm Power and Machinery Management - Donnell Hunt
3. Irrigation Engineering - R.N. Reddy
4. Principles of Agricultural Engineering - A.M. Michael and T.P. Ojha
5. Postharvest Technology and Food Process Engineering - Amalendu Chakraverty

## Is there any negative marking in the GATE Agricultural Engineering exam?

Yes, there is negative marking in the GATE Agricultural Engineering exam for MCQs. For every incorrect answer to 1-mark questions, 1/3 mark will be deducted, and for every incorrect answer to 2-mark questions, 2/3 mark will be deducted.

## Can I use a calculator during the GATE Agricultural Engineering exam?

Yes, a virtual calculator will be provided on the computer screen during the GATE Agricultural Engineering exam.

## How is the GATE Agricultural Engineering exam score calculated?

The GATE Agricultural Engineering exam score is calculated on the basis of the number of correct answers and incorrect answers.

For MCQs, 1 or 2 marks are awarded for a correct answer, and 1/3 or 2/3 marks are deducted for an incorrect answer.

For NAT questions, 1 or 2 marks are awarded for a correct answer, and there is no negative marking for incorrect answers.

## What is the qualifying cutoff for the GATE Agricultural Engineering exam?

The qualifying cutoff for the GATE Agricultural Engineering exam varies from year to year and is decided by the exam conducting authority.

Generally, the cutoff for General category candidates is around 25-30 marks out of 100, and for SC/ST/OBC/PwD candidates, it is around 20-25 marks out of 100.

## What are the benefits of qualifying GATE Agricultural Engineering?

Qualifying GATE Agricultural Engineering opens up various opportunities such as admission to postgraduate programs in Agricultural Engineering, scholarships, fellowships, and job opportunities in the public and private sectors.

GATE scores are also accepted by some foreign universities for admission to their postgraduate programs.

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