501: ENGINEERING MATHEMATICS IV

Module 1

Probability distributions: random variables (discrete & continuous), probability density,mathematical expectation, mean and variance of a probability distribution, binomial distribution, Poisson approximation to the binomial distribution, uniform distribution ,normal distribution. Curve fitting: method of least squares, correlation and regression,lines of regression.

Module 2

Sampling distributions: population and samples, the sampling distribution of the mean unknown),σ known), the sampling distribution of the mean (σ( the sampling distribution of the variance, point estimation, interval estimation, tests of hypotheses, nul hypothese and significance tests, hypothesis concerning one mean, type I and type II errors,hypotheses concerning two means. The estimation of variances : Hypotheses concerning one variance - Hypotheses concerning two variances.

Module 3

Finite difference Operators: ∇, , Ε, δ, μ , x(n) .Newton’s Forward and Backward differences interpolation polynomials, central differences, Stirlings central differences interpolation polynomial. Lagrange interpolation polynomial, divided differences,Newton’s divided differences interpolation polynomial. Numerical differentiation:Formulae fo derivatives in the case of equally spaced points. Numerical integration:Trapezoidal and Simpson’s rules, compounded rules, errors of interpolation and integration formulae. Gauss quadrature formulae (No derivation fo 2 point and 3 point formulae)

Module 4

Numerical solution of ordinary differential equations: Taylor series method, Euler’s method, modified Euler’s method, Runge-Kutta formulae 4th order formula. Numerical solution of boundary value problems: Methods of finite differences, finite differences methods fo solving Laplace’s equation ii a rectangular region, finite differencesmethods fo solving the wave equation and heat equation.

Text Books:

1. Irvrin Miller & Freind : Probability And Statistics For Engineers, Prentice Hall OfIndia
2. S.S.Sastry: Numerical Methods, PHI Publishers.

References:

1. P.Kandaswamy K.Thilagavathy, K.Gunavathy: Numerical Mehtods, S.Chand & Co.
2. A.Papoulis: Probability,Random Variables And Stochastic Processes,MGH Publishers


ME502 METROLOGY AND MACHINE TOOLS

Module 1

General measurements concepts: precision and accuracy, Methods for estimating accuracy and precision, measuring errors.General principle of measurements: line and end measurements, standards; linear measurements, basic units, and quantities fr displacement, mass, time, temperature &optics; systems of limits and fits; tolerances fr linear dimensions.Gauges: classification, types of gauges, gauge maker’s tolerances, wear allowance,gauges materials.

Module 2

Measurement of angles & tapers: sine bars, angle gauges: auto collimator, clinometer& spirit level; taper gauges, bevel protractors Measurement of surface finish: surface structure, integrity, texture, roughens, waviness lay, RMS & CLA values, roughness values produced by machining processes Optical measuring instruments: interferometry, optical flats, optimeters, and optical projectors, tool maker’s microscope, limitations

Module 3

Types and classification of lathes: Specifications-method of holding work and tool,accessories, attachments-operations and types of tools fr each operation, Capstan and Turret lathe Drilling and boring machines:- types and specifications-description of tool and work holding devices-boring tools and reamers-drilling of holes, countersinking and counter boring operations Shaping, planing and slotting machines: Types and specifications-quick retur motionhydraulic feed and its advantages- work holding devices-types of operation

Module 4

Grinding, Horning and Lapping: Types and methods of operations- machines-gear hobbing - gear cutting - gear finishing and gear shaping operations Milling machines: - types, specifications, operations and milling cutters-Indexing head and its use-method of indexing-dividing head-milling of plane surface,Numerical Control (NC) machine tools: Elements, classification (basics only)-NC tooling-design of NC/CNC tooling-automated chip less process.Automatic machines: Semiautomatic multi tool central lathes-automatic cutting of machines- Swiss type automatic screw machines, multi spindle automatic special purpose machine tools- program controlled machine tools-copying machines.


ME 503: MECHANICS OF MACHINERY

Module 1

Introduction : Machines and mechanisms, lower and higher pairs, kinematic chains,kinematic inversions of four bar, slider crank and double slider crank chains, equivalent linkages, Lower pairs - Pantograph, Paucellier mechanism, Thomson indicator mechanism, Watt mechanism, Geneva mechanism, Steering mechanism, Hooke's joint.Kinematic analysis of plane mechanisms: General cases of plane motion, Arnold Kennedy’s theorem, velocity analysis using instantaneous center method, velocity and acceleration diagrams, Coriolis component of acceleration

Module 2

Robot Kinematics: Direct kinematics-Linear and rotational velocity of rigid bodies,motion from link to link, Jacobian, Singularities, statics forces i force domain,transformation of velocities and forces, Inverse Kinematic transformations.Introduction to synthesis: synthesis of slider crank mechanism, crank and rocker mechanism. Optimum transmission angle, synthesis of four bar links, three and four position synthesis. Overlay method, Coupler curve synthesis, Freudenstein’s equations fr Four bar and Slider crank mechanism.

Module 3

Spur gear: gear terminology, conjugate gears, involute arc of motion, contact ratio,generation of gear teeth profiles, interference, cycloidal and involute gear characteristics,interchangeable gears, standard and non-standard tooth profiles, description of various types of gears like helical, bevel, worm.Gear Trains: Analysis of simple, compound, reverted and epicyclic gears, solution of epicyclic gear train problems, gear train i differentials.

Module 4

Cams: Classification of cams and followers, geometry of radial cams, displacement diagrams, follower motion, simple harmonic, cycloidal, parabolic, graphical layout of cam profiles, displacement, velocity, acceleration and jerk relations, pressure angle,analysis of tangent cam, convex and concave sided cams wit roller follower and flat faced follower polynomial cam design.Friction: Laws of friction, Limiting angle of friction, Efficiency of inclined plane, flat pivot friction, conical pivot friction, Screw friction, Screw Jack, Torque required to lift and lower the load by screw jack, Efficiency of a screw jack.


ME 504 THERMAL ENGINEERING

Module 1

Air standard cycles, Otto, Diesel, Dual, Brayton, Stirling cycles. Actual cycles of four stroke and two stroke IC Engines, valve timing diagram – Engine testing – Performance and characteristics of constant speed and variable speed engines – heat balance test –Morse test – retardation test – effect of dissociation – variable specific heads and heat losses – scavenging – objectives – effects and methods – Efficiencies (thermal,mechanical and volumetric efficiencies)

Module 2

Systems and components of IC Engines – fuel systems – Ignition systems – Cooling –starting – lubrication – governing of IC engines – supers charging of SI and CI Engines –turbo charging – exhaust emissions of IC engines –alternate Potential Engines – free piston engines – Wankel Engine and Stratified charged engine automotive transmission system and its components.Combustion n IC engines – flame propagation normal and abnormal combustion detonation – Pre ignition – after burning – HUCR – fuel rating – additives i petrol –combustion chambers of SI engines – combustion i CI engines – phase of normal combustion diesel knock – effect of engine variables on diesel knock – cetane number –additives i diesel – combustion chambers of CI engines.

Module 3

Steam nozzles – mass flow rate – throat pressure for maximum discharge – throat area –effect of friction – supe saturated flow – effect of back pressure Steam turbines – types and classification– velocity diagram – force on blades, W.D. by blades, blade or diagram efficiency- effect of friction on blades.

Module 4

Gas turbine plants – open and closed cycles – thermodynamics cycles – regeneration –reheating – intercooling – efficiency and performance of gas turbines – rotary compressors – analysis – centrifugal and axial flow compressors – combustion chambers of gas turbines – cylindrical – annular and industrial type combustion chamber design –combustion intensity – combustion efficiency – pressure loss combustion process and stability loop axial flow turbines


ME 505 POWER PLANT ENGINEERING

Module 1

Power plant economics – base load and peak load power plants -estimation of load –load curve – load factor – diversity factor – capacity factor – use factor – selection of units – number and size – scheduling operation – cost of energy – depreciation and replacement – economics of plant selection.

Module 2

Hydroelectric power plants – general layout – types of dams – penstock, draft tubes,surge tanks - power house equipments – site selection Diesel engine power plant – Layout – Components of a diesel power plant – starting methods – advantages and disadvantages Gas Turbine power plants – classification – elements of a Gas Turbine power plant

Module 3

Steam power plants - General layout – fuel handling systems – types of furnaces –stokers – burning systems – types of firing : stokers, pulverized coal burners and fluidized bed combustion - power plant boilers, mountings and accessories - dust and ash handling systems – draft and chimney calculations – condensers – cooling systems - Environmental aspects of thermal power systems Nuclear power plants - Fundamentals of nuclear fission – nuclear power plants – reactor– classification – components layout of simple plant – nuclear power safety and waste disposal.

Module 4

Non conventional energy sources – solar radiation and its measurement – Solar energy collectors – Applications of solar energy - Wind energy conversion – site selection –wind energy collectors – Energy from biomass - ocean energy possibilities and future scope – Ocean Thermal electric conversion (OTEC) – Tidal energy - geothermal energy-Magneto Hydro Dynamic (MHD) power – Fuel cells - thermo electric power - thermionic generation.


ME 506 INDUSTRIAL MANAGEMENT

Module 1

Definitions of management-history of management-types of manager-management responsibilities-management tasks-the engineering manager. The organizationorganization structures, the quality organization, organizational change, managing change Management obligations, social and professional responsibilities Personnel management and administration, manpower planning-recruitment, selection and training. Accidents –absenteeism and labour turnover,

Module 2

Industrial relations- objectives, causes results and settlement of industrial relations workers participation n management, collective bargaining, trade unions, principles of industrial legislations Wage payment plans-wage incentives

Module 3

Financial management: financial accounts, inflation, profitability, budgets and controls,obtaining finance, valuing a company Control through costing: Cost accounting, valuation of stocks, allocation of overheads,standard costing, marginal costing Investment decision: the ranking process, payback period, average rate of retur,discounted cash flow

Module 4

Marketing and sales management The market, marketing information, market segmentation, consumer and industrial markets Product management, pricing, marketing communications, sales physical distribution Entrepreneurship – concept Entrepreneurship development, factors affecting Entrepreneurship, project report and techno economic feasibility assessment