GATE PI Syllabus 2025


GATE PI Syllabus

Production and Industrial Engineering (PI) is a branch of engineering that focuses on the design, development, and optimization of complex systems, processes, and organizations. It integrates principles from mechanical engineering, industrial engineering, and management science to improve productivity, quality, and efficiency in manufacturing and service industries. The GATE PI syllabus for Production and Industrial Engineering (PI) is divided into three main sections: General Aptitude, Engineering Mathematics, and the core PI topics.

General Aptitude (GA) for GATE PI Syllabus

Verbal AptitudeGrammar, vocabulary, comprehension, and sentence formation.
Analytical AptitudeLogical reasoning, number relations, and patterns.
Spatial AptitudeTransformations of shapes, paper folding, and 2D/3D patterns.
Quantitative AptitudeBasic arithmetic, algebra, statistics, and data interpretation.

Engineering Mathematics in GATE PI Syllabus

Linear AlgebraMatrix operations, systems of linear equations, eigenvalues, and eigenvectors.
CalculusFunctions of single variable, Limit, continuity and differentiability, Mean value theorems, Evaluation of definite and improper integrals, Partial derivatives, Total derivative, Maxima and minima, Gradient, Divergence and Curl, Vector identities, Directional derivatives; Line, Surface and Volume integrals; Stokes, Gauss and Green’s theorems.
Differential Equations First order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Cauchy’s and Euler’s equations, Initial and boundary value problems, Laplace transforms.
Complex Variables Analytic functions, Cauchy’s integral theorem, Taylor series.
Probability and StatisticsDefinitions of probability and sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Linear regression, Random variables, Poisson, normal, binomial and exponential distributions.
Numerical Methods Numerical solutions of linear and nonlinear algebraic equations, Integration by trapezoidal and Simpson’s rules, Single and multi-step methods for differential equations.

General Engineering in GATE PI Syllabus

1. General Engineering

Engineering MaterialsStructure, physical and mechanical properties, and applications of
common engineering materials (metals and alloys, semiconductors, ceramics, polymers, and composites – metal, polymer and ceramic based); Iron-carbon equilibrium phase diagram;
Heat treatment of metals and alloys and its influence on mechanical properties; Stress-strain
behavior of metals and alloys.
Applied Mechanics Engineering mechanics – equivalent force systems, free body concepts,
equations of equilibrium; Trusses; Strength of materials – stress, strain and their relationship;
Failure theories; Mohr’s circle (stress); Deflection of beams, bending and shear stresses;
Euler’s theory of columns; Thick and thin cylinders; Torsion.
Theory of Machines and DesignAnalysis of planar mechanisms, cams and followers;
Governors and fly wheels; Design of bolted, riveted and welded joints; Interference/shrink fit
joints; Friction and lubrication; Design of shafts, keys, couplings, spur gears, belt drives,
brakes and clutches; Pressure vessels.
Thermal and Fluids Engineering Fluid mechanics – fluid statics, Bernoulli’s equation, flow through pipes, laminar and turbulent flows, equations of continuity and momentum, capillary action; Dimensional analysis; Thermodynamics – zeroth, first and second laws of thermodynamics, thermodynamic systems and processes, calculation of work and heat for systems and control volumes; Air standard cycles; Heat transfer – basic applications of conduction, convection and radiation.

2. Manufacturing Processes I

CastingTypes of casting processes and applications; Sand casting: patterns – types, materials and allowances; molds and cores–materials, making, and testing; design of gating system and riser; casting techniques of cast iron, steels, and nonferrous metals and alloys; analysis of solidification and microstructure development; Other casting techniques: Pressure die casting, Centrifugal casting, Investment casting, Shell mold casting; Casting defects and their inspection by non-destructive testing.
Metal FormingStress-strain relations in elastic and plastic deformation; von Mises and Tresca yield criteria, Concept of flow stress; Hot, warm and cold working; Bulk forming processes – forging, rolling, extrusion and wire drawing; Sheet metal working processes – blanking, punching, bending, stretch forming, spinning and deep drawing; Ideal work and slab analysis; Defects in metal working and their causes.
Joining of MaterialsClassification of joining processes; Principles of fusion welding processes using different heat sources (flame, arc, resistance, laser, electron beam), Heat transfer and associated losses; Arc welding processes – SMAW, GMAW, GTAW, plasma arc, submerged arc welding processes; Principles of solid state welding processes – friction welding, friction stir welding, ultrasonic welding; Welding defects – causes and inspection; Principles of adhesive joining, brazing and soldering processes.
Powder ProcessingProduction of metal/ceramic powders, compaction and sintering of metals and ceramic powders, Cold and hot isostatic pressing.
Polymers and Composites Polymer processing – injection, compression and blow molding, extrusion, calendaring and thermoforming; Molding of composites.

3. Manufacturing Processes II

MachiningOrthogonal and oblique machining, Single point cutting tool and tool signature,
Chip formation, cutting forces, Merchant’s analysis, Specific cutting energy and power; Machining parameters and material removal rate; tool materials, Tool wear and tool life;
Thermal aspects of machining, cutting fluids, machinability; Economics of machining;
Machining processes – turning, taper turning, thread cutting, drilling, boring, milling, gear
cutting, thread production; Finishing processes – grinding, honing, lapping and super-finishing.
Machine ToolsLathe, milling, drilling and shaping machines – construction and kinematics;
Jigs and fixtures – principles, applications, and design.
Advanced ManufacturingPrinciples and applications of USM, AJM, WJM, AWJM, EDM and Wire EDM, LBM, EBM, PAM, CHM, ECM; Effect of process parameters on material removal rate, surface roughness and power consumption; Additive manufacturing techniques.
Computer Integrated ManufacturingBasic concepts of CAD and CAM, Geometric modeling, CNC; Automation in Manufacturing; Industrial Robots – configurations, drives and controls; Cellular manufacturing and FMS – Group Technology, CAPP.

4. Quality and Reliability

Metrology and InspectionAccuracy and precision; Types of errors; Limits, fits and tolerances; Gauge design, Interchangeability, Selective assembly; Linear, angular, and form measurements (straightness, flatness, roundness, runout and cylindricity) by mechanical and optical methods; Inspection of screw threads and gears; Surface roughness measurement by contact and non-contact methods.
Quality ManagementElementary cost accounting and methods of depreciation, Break-even analysis, Techniques for evaluation of capital Quality – concept and costs; Statistical quality control – process capability analysis, control charts for variables and attributes and acceptance sampling; Six sigma; Total quality management; Quality assurance and certification – ISO 9000, ISO14000.
Reliability and MaintenanceReliability, availability and maintainability; Distribution of failure and repair times; Determination of MTBF and MTTR, Reliability models; Determination of system reliability; Preventive and predictive maintenance and replacement, Total productive

5. Industrial Engineering

Product Design and DevelopmentPrinciples of product design, tolerance design; Quality and cost considerations; Product life cycle; Standardization, simplification, diversification; Value engineering and analysis; Concurrent engineering; Design for “X”.
Work System DesignTaylor’s scientific management, Gilbreths’s contributions; Productivity – concepts and measurements; Method study, Micro-motion study, Principles of motion economy; Work measurement – time study, Work sampling, Standard data, PMTS;
Ergonomics; Job evaluation and merit rating.
Facility DesignFacility location factors and evaluation of alternate locations; Types of plant layout and their evaluation; Computer aided layout design techniques; Assembly line balancing; Materials handling systems.

6. Operations Research and Management

Operation ResearchLinear programming – problem formulation, simplex method, duality and sensitivity analysis; Transportation and assignment models; Integer programming; Constrained and unconstrained nonlinear optimization; Markovian queuing models; Simulation – manufacturing applications.
Engineering Economy and CostingElementary cost accounting and methods of depreciation; Break-even analysis; Techniques for evaluation of capital investments; Financial statements; Activity based costing.
Production ControlForecasting techniques – causal and time series models, moving average, exponential smoothing, trend and seasonality; Aggregate production planning; Master production scheduling; MRP, MRP-II and ERP; Routing, scheduling and priority dispatching. Push and pull production systems, Concepts of Lean and JIT manufacturing systems; Logistics, distribution, and supply chain management; Inventory – functions, costs, classifications, deterministic inventory models, quantity discount; Perpetual and periodic inventory control systems.
Project ManagementScheduling techniques – Gantt chart, CPM, PERT and GERT.

The GATE Production and Industrial Engineering exam offers a gateway to numerous opportunities for academic growth, career advancement, and personal development. Whether aiming for higher studies, prestigious jobs, or enhancing technical skills, the GATE PI exam can be a crucial step towards achieving these goals.

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