ISRO Syllabus for Mechanical Engineering

ISRO syllabus for mechanical Engineering


Linear Algebra: Algebra of matrices, the system of linear equations, eigenvalues and eigenvectors.

Calculus: Taylor Series, Fourier Series, partial derivatives, total derivatives, definite and improper integrals, multiple integrals.

Vector Calculus: Gradient, divergence and curl, line and surface integrals, Green, Gauss and Stokes

Probability & Statistics: Gaussian, Weibull distribution, and their properties, a method of least squares, regression analysis, analysis of variance.

Differential Equations: Linear ODEs, first-order non-linear ODEs, initial and boundary value problems, Laplace transform, PDEs-Laplace, wave, and diffusion equations.

Numerical Methods: Solution of a system of linear equations, interpolation, numerical integration, Newton-Raphson method, Runge-Kutta method. 


Fluid Mechanics: Fluid properties, fluid statics, manometry, buoyancy, Control-volume analysis of mass, momentum and energy, fluid acceleration, Differential equation of continuity and momentum, Bernoulli's equation, Viscous flow of incompressible fluids, Boundary layer, Elementary turbulent flow, Flow-through pipes, head losses in pipes, bends, etc.

Thermodynamics: Zeroth, First and Second laws of thermodynamics, Thermodynamic system and processes, Irreversibility and availability, Behaviour of ideal and real gases, properties of pure substances, calculation of work and heat in ideal processes, Analysis of thermodynamic cycles related to energy conversion, Carnot, Rankine, Otto, Diesel, Brayton and Vapour compression cycles.

Power Plant Engineering: Steam generators, Steam power cycles, Steam turbines, impulse and reaction principles, velocity diagrams, pressure, and velocity compounding, Reheating and reheat factor, Condensers and feed heaters.I.C. Engines, Requirements, and suitability of fuels in IC engines, fuel ratings, fuel-air mixture requirements, Normal combustion in SI and CI engines, Engine performance calculations. 

Heat-Transfer: Modes of heat transfer, One-dimensional heat conduction, resistance concept, electrical analogy, unsteady heat conduction, fins; Dimensionless parameters in free and forced convective heat transfer, Various correlations for heat transfer in flow over flat plates and through pipes; Thermal boundary layer; effect of turbulence, Radiative heat transfer, black and grey surfaces, shape factors, network analysis, Heat exchanger performance, LMTD and NTU methods. 

Turbomachinery: Components of gas turbines, Compression processes, Centrifugal, and Axial flow compressors, Axial flow turbines, elementary theory, Hydraulic turbines, Euler-Turbine equation, Specific speed, Pelton-wheel, Francis and Kaplan turbines, Centrifugal pumps.

Refrigeration and air-conditioning: Refrigerant compressors, expansion devices, condensers and evaporators; Properties of moist air, psychrometric chart, basic psychometric processes. 


Engineering Materials: Structure and properties of engineering materials and their applications, heat treatment.

Metal Casting: Casting processes (expendable and non-expendable) -pattern, molds and cores, Heating and pouring, Solidification and cooling, Gating Design, Design considerations, defects.

Forming Processes: Stress-strain diagrams for ductile and brittle material, Plastic deformation and yield criteria, Fundamentals of hot and cold working processes, Bulk metal forming processes (forging, rolling extrusion, drawing), Sheet metal working processes (punching, blanking, bending, deep drawing, coining, spinning, Load estimation using homogeneous deformation methods, Defects). Processing of Powder metals- Atomization, compaction, sintering, secondary and finishing operations. Forming and shaping of Plastics- Extrusion, Injection Molding.

Joining Processes: Physics of welding, Fusion, and non-fusion welding processes, brazing, and soldering, Adhesive bonding, Design considerations in welding, Weld quality defects.Machining and Machine Tool

Metrology and Inspection: Limits, fits and tolerances, linear and angular measurements, comparators, gauge design, interferometry, Form and finish measurement, measurement of screw threads, Alignment and testing methods.

Tool Engineering: Principles of work holding, design of jigs and fixtures. Computer Integrated Manufacturing: Basic concepts of CAD, CAM, and their integration tools.
Operations: Mechanics of machining, single and multi-point cutting tools, tool geometry and materials, tool life and wear, cutting fluids, Machinability, Economics of machining, non-traditional machining processes. 

Manufacturing Analysis: Part-print analysis, tolerance analysis in manufacturing and assembly, time and cost analysis.

Work-Study: Method study, work measurement time study, work sampling, job evaluation, merit rating.

Inventory Control: Deterministic and probabilistic models, safety stock inventory control systems.
Production Planning and Control: Forecasting models, aggregate production planning, master scheduling, materials requirements planning. 

Operations Research: Linear programming, simplex, and duplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.


Engineering Mechanics: Equivalent force systems, free-body concepts, equations of equilibrium, trusses, and frames, virtual work and minimum potential energy. Kinematics and dynamics of particles and rigid bodies, impulse, and momentum (linear and angular), energy methods, central force motion. 

Theory of Machines: Displacement, velocity, and acceleration, analysis of plane mechanisms, dynamic analysis of slider-crank mechanism, planar cams and followers, gear tooth profiles, kinematics and design of gears, governors, and flywheels, balancing of reciprocating and rotating masses.Vibrations: Free and forced vibration of single degree freedom systems, the effect of damping, vibration isolation, resonance, critical speed of rotors. 

Strength of Materials: Stress and strain, stress-strain relationship and elastic constants, Mohr's circle for plane stress and plane strain, shear force and bending moment diagrams, bending and shear stresses, deflection of beams torsion of circular shafts, thin and thick cylinders, Euler's theory of columns, strain energy methods, thermal stresses. 

Design of Machine Elements: Design for static and dynamic loading, failure theories, fatigue strength, design of bolted, riveted and welded joints; design of shafts and keys, a design of spur gears, rolling and sliding contact bearings; brakes and clutches, belts, ropes, and chain drives.

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