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TNPSC Agricultural, Mechanical, Automobile & Civil Engineering (Code 562) Syllabus

TNPSC Agricultural, Mechanical, Automobile & Civil Engineering (Code 562) Syllabus

"For aspirants preparing for the Tamil Nadu Public Service Commission (TNPSC) examinations in Agricultural, Mechanical, Automobile and Civil Engineering (Degree Standard, Subject Code 562), a comprehensive understanding of the official syllabus is paramount. This subject covers a diverse range of engineering principles and their applications across multiple disciplines. This guide meticulously details each unit, outlining critical areas for effective preparation for the Combined Technical Services Examination (Non-Interview Posts), as per Notification No. 09/2025, with the examination offered in English."

"Examination Details: Combined Technical Services Examination (Non-Interview Posts)"

  • "Notification No.: 09/2025"
  • "Issue Date: May 21, 2025"
  • "Examination Mode: Online (Direct Recruitment)"
  • "Online Application Period: May 27, 2025, to June 25, 2025, at 11:59 PM"
  • "Application Correction Window: June 29, 2025, at 12:01 AM to July 1, 2025, at 11:59 PM (No modifications allowed after this period)."
  • "Examination Dates:
    • "Paper I (Tamil Eligibility Test, General Studies, Aptitude and Mental Ability, Subject Code 503): August 4, 2025, to August 10, 2025."
    • "Paper II (Subject Paper, Code 562: Agricultural, Mechanical, Automobile and Civil Engineering): Specific date and time to be announced on the Commission's website."
    "
  • "Subject Paper Selection: Candidates must choose the subject paper(s) for which they possess the educational qualification or an equivalent qualification."
  • "Mandatory Appearance: Candidates must appear for both Paper I and Paper II for selection consideration; otherwise, they will not be considered regardless of marks obtained."
  • "Minimum Qualifying Marks: For Paper II and Parts B and C of Paper I to be evaluated, candidates must secure a minimum of 40% (60 marks) in Part A of Paper I."

"Official Syllabus Breakdown: TNPSC Agricultural, Mechanical, Automobile and Civil Engineering (Code 562)"

"The curriculum for Agricultural, Mechanical, Automobile and Civil Engineering (Code: 562) is structured into ten units, with indicative question weightage provided. Aspirants should systematically cover these units for comprehensive preparation."

"Unit I: General Engineering (20 Questions)"

  • "Engineering Mechanics:
    • "Statics of particles, equilibrium of rigid bodies."
    • "Properties of surfaces and solids (area moment of inertia, product of inertia), centroid, center of gravity."
    • "Dynamics of particles."
    • "Friction in machine elements."
    "
  • "Strength of Materials:
    • "Stress, strain, and deformation of solids (elastic constants, Poisson's ratio)."
    • "Theories of failures (e.g., maximum principal stress, maximum shear stress)."
    • "Design of shafts and couplings."
    "
  • "Fluid Mechanics:
    • "Fluid statics (pressure distribution, buoyancy)."
    • "Equations of continuity and momentum (Euler's, Bernoulli’s equation)."
    • "Flow through pipes, head losses in pipes (major and minor losses)."
    • "Types of pumps (centrifugal, reciprocating) and valves (gate, globe, check)."
    "
  • "Material Science:
    • "Iron-Carbon Phase Diagram, ferrous and non-ferrous alloys."
    • "Heat treatment processes (annealing, normalising, hardening, tempering)."
    • "Engineering and commodity polymers, composites, nano-materials."
    "
  • "Manufacturing Processes:
    • "Foundry technology (sand casting, die casting)."
    • "Metal forming processes (forging, rolling, extrusion, drawing)."
    • "Metal joining processes (welding, brazing, soldering)."
    • "Manufacturing of thermoplastic products."
    "
  • "Industrial Management:
    • "Inventory control (Economic Order Quantity - EOQ, ABC Analysis)."
    • "Operations research (Linear Programming, Transportation, Assignment Models)."
    • "CPM (Critical Path Method) and PERT (Programme Evaluation and Review Technique)."
    • "Queuing models."
    • "Industrial safety and accident prevention."
    "

"Unit II: Surveying and Hydrology (20 Questions)"

  • "Surveying:
    • "Surveying instruments (chain, tape, compass, theodolite, levelling instrument) and methods."
    • "Linear measurements and computation of area (e.g., by trapezoidal rule, Simpson's rule)."
    "
  • "Hydrology:
    • "Hydrologic cycle: Components and processes."
    • "Rainfall characteristics and measurements (rain gauges, rainfall analysis)."
    • "Runoff: Factors affecting runoff, measurement techniques."
    • "Hydrographs: Unit hydrograph theory and applications."
    • "Stream gauging and flow measurement in rivers and canals."
    • "Catchment area characteristics."
    • "Groundwater: Aquifers (confined, unconfined), wells (dug well, tube well), and groundwater exploration methods."
    • "Floods and their control measures (reservoirs, embankments)."
    "

"Unit III: Farm Machinery (20 Questions)"

  • "Farm Power Sources: Human, animal, mechanical (IC engines, tractors), electrical, and renewable energy sources."
  • "Internal Combustion (IC) Engines:
    • "Spark Ignition (SI) engines and Compression Ignition (CI) engines: Working principles and components."
    • "Engine systems: Fuel, lubrication, cooling, ignition, governing."
    • "IC engine fuels: Properties and types (petrol, diesel)."
    "
  • "Farm Machinery Operations:
    • "Tillage machinery: Ploughs (mouldboard, disc), harrows, cultivators."
    • "Seeding and planting machinery (seed drills, planters)."
    • "Fertilisation equipment."
    • "Intercultural operations (weeders, hoes)."
    • "Plant protection equipment (sprayers, dusters)."
    • "Harvesting and threshing machinery (reapers, combines, threshers)."
    "
  • "Energy in Agriculture: Utilisation of solar, wind, biomass, and biogas energy in agricultural processes."
  • "Agricultural Implements and Machinery: Classification, selection, and operation."

"Unit IV: Soil and Water Conservation Engineering (20 Questions)"

  • "Land Capability Classification: Principles and criteria."
  • "Erosion: Types of erosion (water, wind), causes, and effects on soil fertility."
  • "Soil Erosion Control Methods:
    • "Agronomic practices: Contouring, terracing, strip cropping."
    • "Mechanical measures: Bunding (contour, graded), gully control structures (check dams, drop structures), spillways."
    "
  • "Water Harvesting: Techniques for collecting and storing rainwater (e.g., farm ponds, percolation tanks)."
  • "Ponds and Reservoirs: Design and construction."
  • "Soil and Water Conservation Practices: Integrated approaches."
  • "Afforestation and Holistic Planning: Role in watershed management and rural development."
  • "Remote Sensing and GIS: Use of aerial photography and remote sensing in watershed management."

"Unit V: Farm Irrigation, Structures and Drainage (30 Questions)"

  • "Irrigation Sources: Canals, wells, tanks, and other sources."
  • "Soil-Water-Plant Relationships: Understanding available soil moisture, permanent wilting point, field capacity."
  • "Water Requirements of Crops: Consumptive use, irrigation requirement, and estimation methods."
  • "Measurement of Irrigation Water: Using weirs, flumes (e.g., Parshall flume), and other devices."
  • "Irrigation Methods:
    • "Surface irrigation (e.g., furrow, border, basin)."
    • "Sprinkler irrigation, rain gun irrigation."
    • "Drip irrigation."
    • "Design aspects of micro-irrigation systems and their components (emitters, laterals, sub-mains)."
    "
  • "Structures for Plant Environment:
    • "Greenhouses, poly houses, and shade nets: Construction and utilisation for protected cultivation."
    • "Soilless culture (Hydroponics, Aeroponics)."
    "
  • "Drainage Engineering:
    • "Causes of waterlogging and salt problems in agricultural lands."
    • "Methods of drainage: Surface drainage, sub-surface drainage (tile drains), and vertical drainage systems."
    "
  • "Water Quality and Soil Reclamation: Improvement and utilisation of poor quality irrigation water, reclamation of saline and alkali soils."

"Unit VI: Farm Power (20 Questions)"

  • "Sources of Farm Power: Review of human, animal, mechanical, electrical, and renewable power."
  • "Internal Combustion (IC) Engines (Detailed): Construction and working principles of spark ignition (SI) and compression ignition (CI) engines."
  • "Engine Systems: Fuel system, lubrication system, cooling system, ignition system, governing system."
  • "IC Engine Fuels: Properties and types (petrol, diesel, alternative fuels)."
  • "Tractor Power Units and Chassis: Components and functions."
  • "Tractor Systems:
    • "Power transmission systems (clutch, gear box, differential, final drives)."
    • "Steering, brakes, and suspension systems."
    • "Hydraulic systems in tractors."
    • "Hitching systems and three-point linkage."
    • "Tractor power outlets (PTO, hydraulic remotes)."
    "
  • "Vehicle Dynamics: Resistances to vehicle motion, vehicle performance characteristics."
  • "Earth Moving Equipment: Operations using bulldozers and other heavy machinery."
  • "Wheels and Tires: Types of wheels and tires for agricultural vehicles."
  • "Batteries: Types and characteristics (e.g., lead-acid, Li-ion)."
  • "Tractor Ergonomics and Safety: Tractor stability, mechanics of tractor-implement combination, weight transfer, ergonomic considerations for operator comfort, safety devices, and maintenance practices."

"Unit VII: Automobile Engineering (20 Questions)"

  • "Engine and its Components: Internal combustion engine types, construction, and operation."
  • "Engine Systems:
    • "Lubrication system (types of lubricants, components)."
    • "Cooling system (air cooling, water cooling, radiators)."
    • "Fuel supply system (carburettor, fuel injection systems)."
    • "Ignition system (conventional, electronic)."
    • "Electrical system (sensors, actuators, ECU)."
    "
  • "Transmission System: Clutch, gear box (manual, automatic), propeller shaft, differential, axles, wheels, and tires."
  • "Steering System: Types (manual, power steering) and components."
  • "Suspension System: Springs (leaf, coil), shock absorbers, and their functions."
  • "Braking System: Types (drum, disc, ABS) and components."
  • "Automobile Electrical Systems: Battery (types, testing), starting system, charging system (alternator), lighting system, and vehicle wiring."

"Unit VIII: Food Process Engineering (20 Questions)"

  • "Heat Transfer: Modes of heat transfer (conduction, convection, radiation) in food processing."
  • "Heat Exchangers: Types and applications in food industries."
  • "Refrigeration: Principles of refrigeration cycles and applications in food industries."
  • "Cold Storage: Design and operation of cold storage facilities for fruits and vegetables."
  • "Psychrometry: Psychrometric charts and their application in drying and humidification."
  • "Drying: Principles of drying (equilibrium moisture content, drying rate) and various types of drying equipment (tray dryer, spray dryer, drum dryer)."
  • "Unit Operations in Food Processing: Size reduction (grinding, milling), separation (filtration, centrifugation), material handling (conveyors, elevators), cleaning, grading, and storage of food grains."
  • "Dairy Engineering: Principles and equipment used in milk processing (e.g., pasteurization, homogenisation, cream separation)."
  • "Fruit and Vegetable Processing: Extraction and processing methods for fruits and vegetables."
  • "Waste and Byproduct Utilisation: Methods for utilising food industry waste and byproducts."

"Unit IX: Process Engineering of Agricultural and Horticultural Crops (20 Questions)"

  • "Engineering Properties of Food Materials: Physical, thermal, and rheological properties."
  • "Moisture Content Determination: Methods for determining moisture content in food materials."
  • "Psychrometry: Application in understanding air-moisture relationships in processing."
  • "Heat Processing:
    • "Pasteurization, Sterilization."
    • "Evaporation, Distillation, Filtration."
    • "Membrane Separation (e.g., ultrafiltration, reverse osmosis)."
    "
  • "Cold Processing Methods: Refrigeration, freezing, and chilling."
  • "Storage: Modified atmosphere storage, controlled atmosphere storage, and design of storage structures."
  • "Horticultural Crop Processing: Equipment for processing horticultural crops, preservation of fresh fruits and vegetables."
  • "Drying and Dehydration: Specific techniques for agricultural and horticultural products."
  • "Processing of Specific Crops: Coffee, tea, rubber, cashew nut, coconut, oil palm, aromatic plants, flowers, and spices – covering their respective processing methods."

"Unit X: Renewable and Bioenergy (20 Questions)"

  • "Solar Energy:
    • "Solar collectors (flat plate, concentrating), air heaters, dryers, water heaters."
    • "Photovoltaic (PV) systems: Principle of operation, types of PV cells, applications like PV pumps and fencing."
    "
  • "Wind Energy:
    • "Suitable sites for wind farms."
    • "Types of wind turbines (horizontal axis, vertical axis)."
    • "Maximum Power Point Tracking (MPPT) for wind energy systems."
    • "Types of generators used in wind turbines."
    "
  • "Biomass Energy:
    • "Biomass resources (agricultural residues, animal waste)."
    • "Biogas production (anaerobic digestion) and utilisation."
    • "Gasification and pyrolysis of biomass."
    "
  • "Other Renewable Energy Sources: Geothermal energy and Hydrogen energy (basic concepts)."
  • "Energy Storage Systems: Batteries, supercapacitors, pumped hydro storage."
  • "Energy Conservation and Management: Principles and practices."
  • "Cogeneration: Combined Heat and Power (CHP) systems."
  • "Energy Plantation: Concept and significance."
  • "Environmental Impact: Global warming, Clean Development Mechanism (CDM), and afforestation initiatives related to energy."
  • "Biofuels:
    • "Biodiesel: Feedstock, production processes, and byproduct utilisation."
    • "Ethanol: Production, utilisation, emission standards, and control related to biofuels."
    "
"Important Note for Aspirants: This comprehensive syllabus for Agricultural, Mechanical, Automobile and Civil Engineering (Code 562) at the Degree Standard provides a robust framework for examination preparation. Aspirants are strongly advised to meticulously cover all topics, focusing on both theoretical understanding and practical applications across these diverse engineering disciplines. Consistent revision, problem-solving practice, and an integrated approach to interdisciplinary topics are essential for success in this competitive examination."

"Success in the TNPSC Agricultural, Mechanical, Automobile and Civil Engineering (Code 562) examination requires a disciplined and strategic approach. By gaining a strong command of general engineering principles, agricultural technologies, automobile systems, and fundamental civil engineering concepts, aspirants can significantly enhance their performance and achieve their career objectives in this multifaceted field."

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