OPSC Assistant Agriculture Engineer Syllabus 2026

OPSC Assistant Agriculture Engineer Syllabus 2026 is designed to cover the technical subjects required for the written examination conducted by the Odisha Public Service Commission (OPSC). Candidates should carefully follow the complete syllabus before starting their preparation.

OPSC Assistant Agriculture Engineer Syllabus 2026 – Overview

OPSC Assistant Agriculture Engineer Syllabus 2026 – Paper-I

Section-A: General Engineering

1. Computer Programming and Data Structures

• Data types, variables and operators
• Building and evaluating expressions
• Standard library functions
• Input and output
• Decision making
• Branching and looping
• Arrays and string functions
• Structures and unions
• Queues, insertion and deletion operations

2. Workshop Practice and Workshop Technology

• Measuring tools
• Welding
• Lathe and shaper machines
• Drilling and milling machines
• Machine types, components and specifications
• Tools and functions

3. Applied Electronics and Instrumentation

• Diodes and transistors
• Logic circuits
• Generalized instrumentation
• Measurement of displacement, temperature, velocity, pressure and force
• Transducer types and applications
• Strain gauge

4. Common Statistical Data on Agriculture

• Statistics on Agriculture in Odisha and India
• Land distribution pattern and land use
• Land holding sizes
• Major crops, production and productivity
• Farm power availability
• Agricultural workers and draft animals
• Tractors, power tillers, pump sets and implements
• Water resource availability and irrigation potential

5. Units and Dimensions

• Units and measurement
• Fundamental and derived units
• Relation between different units of measurement
• Dimensional analysis

6. Surveying and Levelling

• Linear measurements
• Types of survey and their applications
• Estimation of errors in measurements
• Levelling and contouring

7. Building Construction and Cost Estimation

• Building materials
• Building design and construction
• Agricultural structures
• Lead and material statement
• Building codes
• Estimates of buildings and agricultural structures

8. Design and Maintenance of Greenhouse

• Types of greenhouses
• Greenhouse components
• Site selection
• Design criteria and construction
• Applications, repair and maintenance

Section-B: Farm Machinery and Power

1. Farm Machinery

• Need for farm mechanization
• Classification of farm implements and their suitability
• Seed bed preparation machinery
• MB plough, disc plough, sub-soilers and cultivators
• Rotavator, harrows and puddlers
• Seeding and planting equipment
• Fertilizer application equipment
• Weeders and plant protection equipment
• Crop harvesting machinery
• Threshers and harvesting machines
• Testing of farm machines, test codes and procedures

2. Farm Power

• Sources of farm power
• Classification of tractors and IC engines
• Engine components and construction
• Engine systems and adjustment
• Fuel, air supply, governing and ignition systems
• Cooling, lubrication and electrical systems
• IC engine fuels and lubricants
• Detonation and knocking

3. Tractor Systems and Controls

• Transmission systems
• Clutch, gearbox and differential
• Final drive and brakes
• Steering and hydraulic systems
• PTO, seat, belt pulley and drawbar
• Tractor chassis and C.G.
• Weight transfer and tractor overturning
• Tractor maintenance and troubleshooting

4. Farm Power and Machinery Management

• Role of farm mechanization
• Performance analysis
• Machine performance and capacity
• Field pattern and time efficiency
• Field efficiency and power analysis
• Cost analysis of farm machines
• Break-even analysis
• Reliability analysis

OPSC Assistant Agriculture Engineer Syllabus 2026 – Remaining Topics

Human Engineering and Safety

• Importance of human engineering in farm machinery and workspace design
• Ergonomic parameters for evaluation of workers
• Anthropometry and its use in machine design
• Effect of noise, heat and vibration on operator efficiency
• Safety aspects of tractors and farm machinery
• Safety measures and prevention of accidents

Precision Agriculture

• Concepts of precision agriculture
• Requirements and applications in agricultural production systems
• Farm implements for precision agriculture

Renewable Energy Engineering

• Biomass conversion technology
• Types of biogas plants
• Design and construction of biogas plants
• Gasifier technology
• Bio-diesel and bio-ethanol production
• Solar energy fundamentals
• Solar photovoltaic (PV) systems
• Solar thermal systems
• Wind energy conversion systems
• Applications and limitations of renewable energy systems

Systems Engineering

• System concepts
• Linear programming, formulation and applications
• Simplex method and Big M method
• Transportation and assignment problems
• Project management by PERT/CPM
• Waiting line theory

Paper-II – Agricultural Processing and Food Engineering

Engineering Properties of Food Materials

• Engineering properties of biological materials
• Physical, thermal, frictional and aerodynamic characteristics of grains, fruits and vegetables

Grain Processing

• Cleaning and grading of food grains
• Aspiration, scalping and size separators
• Screens and sieve analysis
• Size reduction principles and machinery
• Rice milling and parboiling
• Wheat and corn milling
• Pulse milling
• Oilseed processing and extraction
• Material handling equipment

Drying and Storage of Crops

• Moisture content and water activity
• Psychrometric charts and drying principles
• Thin-layer and deep-bed drying
• Drying equations and drying rate
• Grain dryers and dryer performance
• Food grain storage
• Ventilation and aeration
• Storage structures and modern storage systems
• Godown and warehouse design

Horticultural Produce Processing

• Fruit and vegetable processing
• Cleaning, sorting and grading
• Juice extractors and filtration
• Dryers for fruits and vegetables
• Cold storage and refrigerated storage
• Controlled atmosphere and modified atmosphere storage
• Active and passive MAP

Other Food Engineering Topics

• Food packaging and smart packaging
• Thermal processing
• Evaporation
• Freezing
• Food laws and regulations in India
• FSSAI, BIS, Codex Alimentarius and ISO standards

Section-B: Soil and Water Conservation Engineering

Fluid Mechanics

• Properties of fluids
• Pressure and pressure measurement
• Pascal’s law
• Buoyancy and metacentre
• Kinematics and dynamics of fluid flow
• Flow in pipes
• Dimensional analysis and dimensionless numbers

Irrigation Engineering

• Major, medium and minor irrigation projects
• Sources and measurement of irrigation water
• Water conveyance and irrigation channels
• Land grading and estimation of earthwork
• Soil-water-plant relationship
• Infiltration and evapotranspiration
• Frequency and depth of irrigation
• Irrigation efficiency
• Surface irrigation methods
• Micro-irrigation, sprinkler and drip irrigation

Drainage Engineering

• Objectives and types of drainage
• Surface and subsurface drainage
• Drainage design and drainage materials
• Interceptor and relief drains
• Drainage structures
• Salt balance and reclamation of saline and alkaline soils

Groundwater, Wells and Pumps

• Occurrence and movement of groundwater
• Aquifers and classification of wells
• Well hydraulics and well interference
• Tube well design and gravel pack
• Well screen and sanitary protection
• Groundwater recharge planning
• Pumping systems and water lifting devices
• Pump selection, installation and troubleshooting

Hydrology

• Hydrologic cycle and precipitation
• Rainfall measurement and frequency analysis
• Geomorphology of watersheds
• Runoff factors and measurement
• Rational method and Curve Number method
• Hydrograph
• Flood control and flood routing

Soil, Water Conservation Engineering and Watershed Management

• Soil erosion, causes, types and agents
• Gullies and gully classification
• Universal Soil Loss Equation
• Erosion control measures
• Terraces and their design
• Wind erosion and control measures
• Sedimentation and reservoir management
• Land use capability classification
• Grassed waterways
• Water harvesting techniques
• Small earth embankments, farm ponds and reservoirs
• Watershed management and land-use planning

OPSC Assistant Agriculture Engineer Syllabus 2026 – Important Links

OPSC Assistant Agriculture Engineer Syllabus 2026 – Preparation Tips

Candidates preparing for the OPSC Assistant Agriculture Engineer Syllabus 2026 should first complete the core technical subjects and then revise numerical and conceptual topics regularly. Solving previous-year questions and practising mock tests can also help in understanding the examination level.

For the latest official updates, candidates should regularly check the official OPSC website.