Mechanical Engineering (ME)

General Aptitude (GA): Common to All Papers Engineering

Verbal Ability

English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.

Numerical Ability

Numerical computation, numerical estimation, numerical reasoning and data interpretation.

Engineering Mathematics

Linear Algebra

Matrix algebra, Systems of linear equations, Eigen values and eigenvectors.

Calculus

Functions 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, Solutions of one dimensional heat and wave equations and Laplace equation.

Complex variables

Analytic functions, Cauchy’s integral theorem, Taylor and Laurent series.

Probability and Statistics

Definitions of probability and sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Poisson, Normal and Binomial distributions.

Numerical Methods

Numerical solutions of linear and non-linear algebraic equations Integration by trapezoidal and Simpson’s rule, single and multi-step methods for differential equations.

APPLIED MECHANICS AND DESIGN

Engineering Mechanics

Free body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and of rigid bodies in plane motion, including impulse and momentum (linear and angular) and energy formulations; impact.

Strength of Materials

Stress and strain, stress-strain relationship and elastic constants, Mohr’s circle for plane stress and plane strain, thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; 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; gear trains; flywheels

Vibrations

Free and forced vibration of single degree of freedom systems; effect of damping; vibration isolation; resonance, critical speeds of shafts.

Design

Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints, shafts, spur gears, rolling and sliding contact bearings, brakes and clutches.

FLUID MECHANICS AND THERMAL SCIENCES

Fluid Mechanics

Fluid properties; fluid statics, manometry, buoyancy; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations 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; Carnot cycle.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.

Applications

Power Engineering: Steam Tables, Rankine, Brayton cycles with regeneration and reheat. I.C. Engines: air-standard Otto, Diesel cycles. Refrigeration and air-conditioning: Vapour refrigeration cycle, heat pumps, gas refrigeration, Reverse Brayton cycle; moist air: psychrometric chart, basic psychrometric processes. Turbomachinery:Pelton-wheel, Francis and Kaplan turbines — impulse and reaction principles, velocity diagrams.

MANUFACTURING AND INDUSTRIAL ENGINEERING

Engineering Materials

Structure and properties of engineering materials, heat treatment, stressstrain diagrams for engineering materials.

Metal Casting

Design of patterns, moulds and cores; solidification and cooling; riser and gating design, design considerations.

Forming

Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes; principles of powder metallurgy.

Joining

Physics of welding, brazing and soldering; adhesive bonding; design considerations in welding.

Machining and Machine Tool Operations

Mechanics of machining, single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, principles of design of jigs and fixtures

Metrology and Inspection

Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly.

Computer Integrated Manufacturing

Basic concepts of CAD/CAM and their integration tools.

Production Planning and Controln

Forecasting models, aggregate production planning, scheduling, materials requirement 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.

Reference Books :

   Subject

   Reference Books

  Mathematics

Higher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass

  Engineering Mechanics

Engineering Mechanics Vol. I & Vol. II – Meriam  & Kraige
Engineering Mechanics – I. H. Shames
Engineering Mechanics – Beer & Johnson
Engineering Mechanics – CBS Publishers

  Strength of Material

An Introduction to the Mechanics of Solids – Stephen H Crandall
Strength of Materials – Pytel & Singer
Strength of Materials – Timoshenko and Young

  Theory of Machine

Theory of Machine - Nagrath & Gopal
Theory of Machine – S. S. Rattan
Theory of machine – R. S. Khurmi

  Machine Design

Mechanical Design – Shigley
Machine Design – Sharma & Agarwal

  Thermodynamics & its Applications

Engineering Thermodynamics – P. K. Nag
Power Plant Engineering – Arora & Domkundwar 
Referigeration & Airconditioning – Arora & Domkundwar
I.C. Engines – V. Ganesan

  Fluid Mechanics & Hydraulic Machines

Fluid Mechanics – K. Z. Schaffer
Fluid Mechanics – Schaum’s series
Fluid Mechanics – A. K. Jain

  Heat Transfer

Heat Transfer – J. P. Holman
Heat transfer – D.S. Kumar
Heat Transfer – Arora & Domkundwar

  Manufacturing Engineering

Production Engineering – R. K. Jain
Manufacturing Science – A.K. Ghosh

  Industrial Engineering

Industrial Engineering – Banga & Sharma

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