Indian Space Research Organization (ISRO) is the Space agency of Indian Government. ISRO headquarters are located in Bengaluru.

ISRO Scientist Engineer Syllabus For Mechanical

Calculus.
Vector Calculus.
Differential Equations.
Numerical Methods.
Probability & Statistics.
Engineering Mechanics.
The Strength of Materials.
Theory of Machines.
The design of Machine Elements.
Heat-Transfer.
Fluid Mechanics.
Thermodynamics.
Power Plant Engineering.
Refrigeration and air-conditioning.
Turbomachinery.
Engineering Materials.
Metal Casting.
Forming Processes.
Joining Processes.
Operations.
Metrology and Inspection.
Operations Research.
Inventory Control.
Production Planning and Control.
Manufacturing Analysis.
Tool Engineering.
Metrology and Inspection.


ISRO Mechanical Syllabus

Mechanical Syllabus for ISRO Scientist Exam
1. ENGINEERING MATHEMATICS
Linear Algebra: Algebra of matrices, 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� theorems.
Differential Equations: Linear ODE�s, first order non-linear ODE�s, initial and boundary
value problems, Laplace transform, PDE�s-Laplace, wave and diffusion equations.
Numerical Methods: Solution of system of linear equations, interpolation, numerical
integration, Newton-Raphson method, Runge-Kutta method.
Probability & Statistics: Gaussian, Weibul distribution and their properties, method of least
squares, regression analysis, analysis of variance.


2. APPLIED MECHANICS AND DESIGN
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.
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.
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,
effect of damping, vibration isolation, resonance, critical speed of rotors.
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; design of
spur gears, rolling and sliding contact bearings; brakes and clutches; belt, ropes and chain
drives.


3. FLUID MECHANICS AND THERMAL SCIENCES
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.
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.
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.
Refrigeration and air-conditioning: Refrigerant compressors, expansion devices, condensers
and evaporators; Properties of moist air, psychrometric chart, basic psychometric
processes.
Turbomachinery: Components of gas turbines; Compression processes, Centrifugal and
Axial flow compressors; Axial flow turbines, elementary theory; Hydraulic turbines; EulerTurbine
equation; Specific speed, Pelton-wheel, Francis and Kaplan turbines; Centrifugal
pumps.


4. MANUFACTURING AND INDUSTRIAL ENGINEERING
Engineering Materials: Structure and properties of engineering materials and their
applications, heat treatment.
Metal Casting: Casting processes (expendable and non-expendable) -pattern, moulds 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 PlasticsExtrusion,
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
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.
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.
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.
Production Planning and Control: Forecasting models, aggregate production planning,
master scheduling, materials requirements planning.
Inventory Control: Deterministic and probabilistic models, safety stock inventory control
systems.
Operations Research: Linear programming, simplex and duplex method, transportation,
assignment, network flow models, simple queuing models, PERT and CPM.