B.Tech (Mechanical Engineering) Syllabus

Semester V

  • COURSE CODE
    COURSE NAME
    CREDITS
  • JEME-501

    Machine Design I:

    UNIT-I

    Introduction, Definition, Design requirements of machine elements, Design procedure, Standards in design, Selection of preferred sizes, Indian Standards designation of carbon & alloy steels, Selection of materials for static and fatigue loads, Design against Static Load: Modes of failure, Factor of safety, Principal stresses, Stresses due to bending and torsion, Theory of failure

    UNIT-II

    Design against Fluctuating Loads: Cyclic stresses, Fatigue and endurance limit, Stress concentration factor, Stress concentration factor for various machine parts, Notch sensitivity, Design for finite and infinite life, Soderberg, Goodman & Gerber criteria. Riveted Joints: Riveting methods, materials, Types of rivet heads, Types of riveted joints, Caulking and Fullering, Failure of riveted joint, Efficiency of riveted joint, Design of boiler joints, Eccentric loaded riveted joint

    UNIT-III

    Shafts: Cause of failure in shafts, Materials for shaft, Stresses in shafts, Design of shafts subjected to twisting moment, bending moment and combined twisting and bending moments, Shafts subjected to fatigue loads, Design for rigidity Keys and Couplings: Types of keys, splines, Selection of square & flat keys, Strength of sunk key, Couplings-Design of rigid and flexible couplings

    UNIT-IV

    Mechanical Springs: Types, Material for helical springs, End connections for compression and tension helical springs, Stresses and deflection of helical springs of circular wire, Design of helical springs subjected to static and fatigue loading Power Screws: Forms of threads, multiple threads, Efficiency of square threads, Trapezoidal threads, Stresses in screws, Design of screw jack Note: Design data book is allowed in the examination

    Books:

    • 1. Mechanical Engineering Design-Joseph E. Shigely, McGraw Hill Publications
    • 2. Design of Machine Memebers-Alex Valance & VI Doughtie, McGrawHill Co.
    • 3. Machine design-M.F. Spott, Prentice Hall India
    • 4. Machine Design-Maleev and Hartman, CBS
    • 5. Machine design -Black & Adams, Mc Graw Hill
    • 6. Machine Design-Sharma and Agrawal, S.K. Katara & Sons
    • 7. Design of Machine Elements-V.B. Bhandari, Tata McGraw Hill Co.
    04
  • JEME-502

    Theory of Machine I:

    UNIT-I

    Introduction: Links-types, Kinematics pairs-classification, Constraints-types, Degrees of freedom of planar mechanism, Grubler's equation, linkage mechanisms, inversions of four bar chain, slider crank chain and double slider crank chain Velocity in Mechanisms: Velocity of point in mechanism, relative velocity method, Velocities in four bar mechanism, slider crank mechanism and quick return motion mechanism, Rubbing velocity at a pin joint, Instantaneous center method, Types & location of instantaneous centers, Kennedy's theorem, Velocities in four bar mechanism & slider crank mechanism

    UNIT-II

    Acceleration in Mechanisms: Acceleration of a point on a link, Acceleration diagram, Coriolis component of acceleration, Crank and slotted lever mechanism, Klein's construction for Slider Crank mechanism and Four Bar mechanism, Analytical method for slider crank mechanism Mechanisms with Lower Pairs: Pantograph, Exact straight line motion mechanisms-Peaucellier's, Hart and Scott Russell mechanisms, Approximate straight line motion mechanisms–Grass-Hopper, Watt and Tchebicheff mechanisms, Analysis of Hooke's joint, Davis and Ackermann steering gear mechanisms.

    UNIT-III

    Friction: Laws of Friction, Friction on inclined plane, Efficiency on inclined plane, Friction in journal bearing-friction circle, Pivots and collar friction-uniform pressure and uniform wear, Belt and pulley drive, Length of open and cross belt drive, Ratio of driving tensions for flat belt drive, centrifugal tension, condition for maximum power transmission, V belt drive. Brakes & Dynamometers: Shoe brake, Band brake, Band and Block brake, Absorption and transmission type dynamometers

    UNIT-IV

    Cams and Followers: Classification & Terminology, Cam profile by graphical methods with knife edge and radial roller follower for uniform velocity, simple harmonic and parabolic motion of followers, Analytical methods of cam design – tangent cam with roller follower and circular cams with flat faced follower

    UNIT-V

    Gears & Gear Trains: Classification & terminology, law of gearing, tooth forms & comparisons, Systems of gear teeth, Length of path of contact, contact ratio, interference & under cutting in involute gear teeth, minimum number of teeth on gear and pinion to avoid interference, simple, compound, reverted and planetary gear trains, Sun and planet gear.

    UNIT-VI

    Root Locus Techniques: Concept of root locus, construction of root loci. Frequency Response Analysis: Correlation between time and frequency responses of a second order system; Bode plot, gain margin and phase margin and their determination from Bode and Polar plots. Process control: Introduction to P, PI and PID controllers their characteristics, representation and applications.

    Books:

    • 1. Theory of Machines - Thomas Bevan
    • 2. Theory of Machines and Mechanisms- Shigley
    • 3. Theory of Machines and Mechanisms-Ghosh & Mallik
    • 4. Theory of Machines and Mechanisms- Rao & Dukkipati
    • 5. Theory of Machines-S.S. Rattan
    • 6. Kinematics of Machines-Dr. Sadhu singh
    • 7. Mechanics of Machines – V. Ramamurti
    • 8. Theory of Machines – Khurmi & Gupta
    • 9. Theory of Machines – R. K. Bansal
    • 10. Theory of Machines – V. P. Singh
    • 11. Theory of Machines – Malhotra & Gupta
    04
  • JEME-503

    Manufacturing Science II:

    UNIT-I

    Metal Cutting: Mechanics of metal cutting. Geometry of tool and nomenclature. ASA system Orthogonal Vs. oblique cutting. Mechanics of chip formation, types of chips. Shear angle relationship. Merchant's force circle diagram. Cutting forces, power required. Cutting fluids/lubricants. Tool materials. Tool wear and tool life. Machinability. Dynamometer. Brief introduction to machine tool vibration and surface finish. Economics of metal cutting.

    UNIT-II

    Machine Tools:

    • (i) Lathe: Principle, construction, types, operations, Turret/capstan, semi/Automatic, Tool layout.
    • (ii) Shaper, slotter, planer: Construction, operations & drives.
    • (iii) Milling: Construction, Milling cutters, up & down milling. Dividing head & indexing. Max chip thickness & power required.
    • (iv) Drilling and boring: Drilling, boring, reaming tools. Geometry of twist drills.

    UNIT-III

    Grinding & Super finishing Grinding: Grinding wheels, abrasive & bonds, cutting action. Grinding wheel specification. Grinding wheel wear - attritions wear, fracture wears. Dressing and Truing. Max chip thickness and Guest criteria. Surface and Cylindrical grinding. Centerless grinding. Super finishing : Honing, lapping, polishing, Standardization & Interchangeability, Limits, Fits & Tolerance and Surface- roughness: Introduction to Standardization & Interchangeability Limits, Fits, Tolerances and IS standards, Limit-gauges, and surface-roughness.

    UNIT-IV

    Metal Joining (Welding): Survey of welding and allied processes. Gas welding and cutting, process and equipment. Arc welding: Power sources and consumables. TIG & MIG processes and their parameters. Resistance welding - spot, seam projection etc. Other welding processes such as atomic hydrogen, submerged arc, electroslag, friction welding. Soldering & Brazing Thermodynamic and Metallurgical aspects in welding and weld,. Shrinkage/residual stress in welds. Distortions & Defects in welds and remedies. Weld decay in HAZ.

    UNIT-V

    Introduction to Un-conventional Machining and Welding: Need & benefits, application and working principle of EDM, ECM, LBM, EBM, USM. AJM, WJM. Similarly, non-conventional welding applications such as LBW, USW, EBW, Plasma-arc welding, Diffusion welding, Explosive welding/cladding.

    Books:

    • 1. Manufacturing science by Ghosh and Mallik
    • 2. Fundamentals of Metal Cutting and Machine tools by Boothroyd
    • 3. Production Technology by R.K. Jain
    • 4. Production Technology - H.M.T.
    • 5. Production Engineering Science by P.C. Pandey
    • 6. Modern Machining Processes by P.C. Pandey & H.S. Shan
    • 7. Manufacturing science by Degarmo
    • 8. Fundamentals of metal cutting & machine tools - Juneja & Shekhon
    • 9. Process & materials of manufacturing - Lindburg.
    • 10. Advanced Machining Process - VK Jain
    04
  • JEME-504

    Heat and Mass Transfer:

    UNIT-I

    Introduction to Heat Transfer: Concepts of the mechanisms of heat flows, Conduction, Convection and Radiation, Effect of temperature on thermal conductivity of materials, Introduction to combined heat transfer mechanism. Conduction: One-dimensional general differential heat conduction equation in the rectangular, cylindrical and spherical coordinate systems, Initial and boundary conditions. Steady State one-dimensional Heat conduction: Composite Systems in rectangular, cylindrical and spherical coordinates with and without energy generation, Thermal resistance concept, Analogy between heat and electricity flow, Thermal contact resistance, Critical thickness of insulation.

    UNIT-II

    Fins: Heat transfer from extended surfaces, Fins of uniform cross-sectional area, Errors of measurement of temperature in thermometer wells. Transient Conduction: Transient heat conduction, Lumped capacitance method, Time constant, Unsteady state heat conduction in one dimension only, Heisler charts.

    UNIT-III

    Forced Convection: Basic concepts, Hydrodynamic boundary layer, Thermal boundary layer, Approximate integral boundary layer analysis, Analogy between momentum and heat transfer in turbulent flow over a flat surface, Mixed boundary layer, Flow over a flat plate, Flow across a single cylinder and a sphere, Flow inside ducts, Empirical heat transfer relations, Relation between fluid friction and heat transfer, Liquid metal heat transfer. Natural Convection: Physical mechanism of natural convection; Buoyant force; Empirical heat transfer relations for natural convection over vertical planes and cylinders, horizontal plates and cylinders, and sphere ; Combined free and forced convection.

    UNIT-IV

    Thermal Radiation: Basic radiation concepts, Radiation properties of surfaces, Black body radiation Planck's law, Wein's displacement law, Stefan Boltzmann law, Kirchhoff's law, Gray body, Shape factor, Black-body radiation, Radiation exchange between diffuse non black bodies in an enclosure, Radiation shields, Radiation combined with conduction and convection, Absorption and emission in gaseous medium, Solar radiation, Green house effect.

    UNIT-V

    Heat Exchanger: Types of heat exchangers, Fouling factors, Overall heat transfer coefficient Logarithmic mean temperature difference (LMTD) method, Effectiveness-NTU method, Compact heat exchangers. Condensation And Boiling: Introduction to condensation phenomena, Heat transfer relations for laminar film condensation on vertical surfaces and on outside & inside of a horizontal tube, Effect of non-condensable gases, Dropwise condensation, Heat pipes, Boiling modes, pool boiling, Hysteresis in boiling curve, Forced convective boiling. Introduction To Mass Transfer: Introduction, Fick's law of diffusion, Steady state equimolar counter diffusion, Steady state diffusion though a stagnant gas film.

    Books:

    • 1. Elements of Heat transfer by Bayazitouglu & Ozisik, McGraw-Hill Book Company.
    • 2. Heat Transfer By J.P. Holman, McGraw-Hill International edition.
    • 3. Schaum's outline of Heat Transfer by Pitts & Sisson McGraw-Hill International edition.
    • 4. Principles of Heat Transfer by Frank Kreith, McGraw-Hill Book co.
    • 5. Fundamentals of Momentum, Heat and Mass Transfer by James R.Welty; John Wiley & Sons (Pvt). Ltd.
    • 6. Heat Transfer, by Vijay Gupta, New Age International (P) Ltd. Publishers
    04
  • JEME-505

    I.C. Engine And Compressor:

    UNIT-I

    Introduction to I.C Engines: Engine classification, Air standard cycles, Otto cycle, Diesel cycle, Dual cycle, Comparison of Otto, Diesel and Dual cycles, Stirling cycle, Ericsson cycles, Actual cycle analysis, Two and four stroke engines, SI and CI engines, Valve timing diagram, Rotary engines, stratified charge engine. Fuels: Fuels for SI and CI engine , Important qualities of SI and CI engine fuels, Rating of SI engine and CI engine fuels, Dopes, Additives, Gaseous fuels, LPG, CNG, Biogas, Producer gas, Alternative fuels for IC engines. Testing and Performance: Performance parameters, Basic measurements, Blow by measurement, Testing of SI and CI engines.

    UNIT-II

    SI Engines: Combustion in SI engine, Flame speed, Ignition delay, Abnormal combustion and it's control, combustion chamber design for SI engines. Carburetion, Mixture requirements, Carburetor types, Theory of carburetor, MPFI. Ignition system requirements, Magneto and battery ignition systems, ignition timing and spark plug, Electronic ignition.

    UNIT-III

    CI Engine: Combustion in CI engines, Ignition delay, Knock and it's control, Combustion chamber design of CI engines.

    UNIT-IV

    Engine Cooling: Different cooling systems, Radiators and cooling fans. Lubrication: Engine friction, Lubrication principle, Type of lubrication, Lubrication oils, Crankcase ventilation. Supercharging: Effect of altitude on power output, Types of supercharging. Compressors: Classification, Reciprocating compressors, Single and Multi stage compressors, Intercooling, Volumetric efficiency. Rotary compressors, Classification, Centrifugal compressor, Axial compressors, Surging and stalling, Roots blower, Vaned compressor.

    Books:

    • 1. Fundamentals of Internal Combustion Engine by Gill, Smith,Ziurs, Oxford & IBH Publishing CO
    • 2. IC Engines, by Rogowsky, International Book Co.
    • 3. A Course in International Combustion Engines, by Mathur & Sharma, Dhanpat Rai & Sons.
    • 4. I.C Engine Analysis & Practice by E.F Obert.
    • 5. I.C Engine, by Ganeshan, Tata Mc Graw Hill Publishers.
    • 6. I.C Engine, by R. Yadav, Central Publishing House, Allahabad
    • 7. Reciprocating and Rotary Compressors, by Chlumsky, SNTI Publications, Czechoslovakia
    • 8. Turbines, Compressors and Fans, by S.M. Yahya, Tata Mc Graw Hill Pub.
    04
  • JEME-551

    Machine Design Lab I:

    Note: Eight experiments out of the following are to be performed. Students are advised to use design data book for the design. Drawing shall be made wherever necessary on small drawing sheets

    • 1. Design & drawing of Cotter joint.
    • 2. Design & drawing of Knuckle joint
    • 3. Design of machine components subjected to combined steady and variable loads
    • 4. Design of eccentrically loaded riveted joint
    • 5. Design of boiler riveted joint
    • 6. Design of shaft for combined constant twisting and bending loads
    • 7. Design of shaft subjected to fluctuating loads
    • 8. Design and drawing of flanged type rigid coupling
    • 9. Design and drawing of flexible coupling
    • 10. Design and drawing of helical spring
    • 11. Design and drawing of screw jack
    02
  • JEME-552

    Seminar
    02
  • JEME-553

    Manufacturing Science II:

    Note: Min 8 experiments out of the following (or such experiment along-with study of the machines/processes)

    • 1. Shear-angle determination (using formula) with tube cutting (for orthogonal)
    • 2. Bolt (thread) making on Lathe Machine
    • 3. Tool grinding (to provide tool angles) on Tool-Grinder Machine.
    • 4. Gear cutting on Milling Machine.
    • 5. Machining a block on Shaper Machine.
    • 6. Finishing of a surface on Surface-Grinding Machine.
    • 7. Drilling holes on Drilling Machine and study of twist-drill.
    • 8. Study of different types of tools and its angles & materials.
    • 9. Experiment on tool wear and tool life.
    • 10. Experiment on Jigs/Fixtures and its uses
    • 11. Gas welding experiment
    • 12. Arc welding experiment
    • 13. Resistance welding experiment.
    • 14. Soldering & Brazing experiment
    • 15. Experiment on unconventional machining.
    • 16. Experiment on unconventional welding.
    • 17. Experiment on TIG/MIG Welding.
    • 18. Macro and Microstructure of welding joints, HAZ.
    02
  • JEME-554

    Heat and Mass Transfer Lab:

    Minimum 10 experiment of the following

    • 1. Conduction - Composite wall experiment
    • 2. Conduction - Composite cylinder experiment
    • 3. Convection - Pool Boiling experiment
    • 4. Convection - Experiment on heat transfer from tube-natural convection.
    • 5. Convection - Heat Pipe experiment.
    • 6. Convection - Heat transfer through fin-natural convection.
    • 7. Convection - Heat transfer through tube/fin-forced convection.
    • 8. Any experiment on Stefan's Law, on radiation determination of emissivity, etc.
    • 9. Any experiment on solar collector, etc.
    • 10. Heat exchanger - Parallel flow experiment
    • 11. Heat exchanger - Counter flow experiment
    • 12. Any other suitable experiment on critical insulation thickness.
    • 13. Conduction - Determination of thermal conductivity of fluids.
    • 14. Conduction - Thermal Contact Resistance Effect.
    02
  • JGP-501

    General Proficiency
    02
  • Total Credits
     
    30