SCHOOL OF CONTINUING AND DISTANCE EDUCATION

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR,

III Year Mechanical Engineering.

B.Tech (CCC) III/IV Year

S.No. Code No. Name of the Subject Credits

1. C3ME01 Mechanical Engineering Design

2. C3ME02 Heat and Mass Transfer

3. C3ME03 Metrology and Machine Tools

4. C3ME04 I.C. Engines & Automobile Engineering

5. C3ME05 Power Plant Engineering

6. C3ME06 Finite Element Methods

7. C3ME07 Metrology and M/C Tools Laboratory

8. C3ME08 Heat and Mass Transfer Laboratory

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(C3 ME01) -MECHANICAL ENGINEERING DESIGN Note: Design Data Book Permitted UNIT I IInnttrroodduuccttiioonn:: General considerations in design Engineering materials and their properties Selection. SSttrreesssseess iinn MMaacchhiinnee mmeemmbbeerrss:: Simple stress Combined stresses Torsional and bending stresses Stress-Strain relations Various Theories of failure Factors of safety Design stress Preferred numbers. SSttrreennggtthh ooff mmaacchhiinnee eelleemmeennttss:: Stress concentration Theoretical stresses Endurance limit Estimation of endurance strength Goodmans line Soderberg line. UNIT II DDeessiiggnn ooff FFaasstteenneerrss:: Riveted joints Welded joints Bolted joints Design of bolts with initial stresses Design of joints under eccentric loading. KKeeyyss,, CCootttteerrss aanndd KKnnuucckkllee jjooiinnttss:: Design of keys Stresses in key cottered joints Socket and Spigot, Sleeve and Cotter, Jib and Cotter joints Knuckle joints. UNIT III SShhaaffttss aanndd SShhaafftt CCoouupplliinnggss:: Design of solid and hollow shafts for strength and rigidity Design of shafts for combined bending and axial loads Shaft sizes ISI code Shaft Couplings Muff, Split Muff and Flange Couplings- Flexible Couplings Flange Coupling (modified). UNIT IV BBeeaarriinnggss:: Types of journal bearings Lubrication Bearing Modulus Full and partial bearings Clearance ratio Heat dissipation of bearings, bearing materials Journal bearing design Ball and roller bearings Static Load, Dynamic load, equivalent radial load Design and selection of ball & roller bearings. UNIT V II..CC.. EEnnggiinnee CCoommppoonneennttss:: Connecting Rod Thrust in connecting rod Stress due to whipping action on connecting rod ends Cranks and crank shafts, strength and proportions of over hung and center cranks Crank pins, Crank shafts. Pistons Forces acting on piston Construction Design and proportions of piston. UNIT VI PPuulllleeyyss:: Transmission of power by belt drives, Transmission efficiencies, Belts Flat and V types Pulleys for belt drives. UNIT VII MMeecchhaanniiccaall SSpprriinnggss:: Stresses and deflections of helical springs Extension and Compression springs Design of springs for fatigue loading Natural frequency of helical springs Energy Storage capacity Helical Torsion springs Design of co-axial springs.

UNIT - VIII GGeeaarrss:: Spur Gears Load concentration factor Dynamic load factor Surface Compressive strength Bending strength Design analysis of spur gears Estimation of center distance, module and face width, check for plastic deformation. TEXT BOOKS: 1. Mechanical Engg. Design by J.E. Shigley. 2. Machine Design by Pandya and Shah REFERENCE BOOKS: 1. Machine Design by T. V. Sunder Raja Murthy & N. Shanmugam 2. Machine Design by V.V. Bhandari 3. Machine Design by Sarma and Agarwal 4. Machine Design by P. Kannaiah. 5. Machine Design Schaum series Data Book:

1. PSG College of Technology 2. S.Md. Jalaludeen.

(C3 ME02) -HEAT AND MASS TRANSFER UNIT-I INTRODUCTION Modes of heat transfer-Basic laws in heat transfer-Equivalent heat transfer coefficient-Over all heat transfer coefficient-general heat conduction equation. STEADY STATE HEAT CONDUCTION One dimensional heat conduction equation- Initial and boundary conditions-Conduction through homogeneous slab, cylinder and sphere with and without heat generation-Logarithm in mean area-Composite system-Critical radius of insulation- UNIT-II Effect of thermal conductivity with temperature-conduction through edges and corners of furnace walls-Application of extended surface-Analysis of extended surface of uniform cross section.Numerical methods-Relation ship Techniques. UNIT-III UNSTEADY STATE HEAT CONDUCTION Introduction- Lumped heat analysis-concept of semi infinite solid chart solution of transient heat conduction problems-Systems with periodic variation of surface temperature. UNIT-IV CONVECTION Dimensional analysis (Rayleigh and Buckingham methods) applied to heat transfer- Non-Dimensional numbers in heat transfer-Boundary layer concept-concept of stagnant film-reference temperature for evaluation of fluid properties-forced convection for turbulent flow inside ducts and over bodies-Empirical correlation turbulent flow inside ducts and over bodies-Empirical correlations in natural convection for plates and cylinders. UNIT-V RADIATION Mechanism of radiation Emission characteristics and laws of black body radiation Absorptivity ,reflectivity and transmissivity (total and monochromatic ) concept of black body-Kirchhoffs laws-solid angle and intensity of radiation- heat exchange between two black surfaces Shape factor Heat exchange between gray surfaces reradiating surface-radiation shield electrical analogy. UNIT-VI PHASE CHANGE Introduction- Film and drop condensation Film condensation on a vertical plate and horizontal tubes boiling curve Correlations in pool boiling heat transfer.

UNIT-VII HEAT EXCHANGERS Types of heat exchangers classification based on flow arrangement Fouling resistance and overall heat transfer coefficient-LMTD- use of correlation factor-NTU method-Design of heat exchanger. UNIT-VIII MASS TRANSFER Diffusion Ficks law-Diffusion coefficient Steady state diffusion of a gas through a stagnant gas- Equimolar counter diffusion of two gases-mass transfer coefficient Analogy between heat and mass transfer Non-dimensional numbers in mass transfer. TEXT BOOK: 1. Fundamentals Of Engg. Heat Transfer. By R.C. Sachdeva.,Wiley eastern ltd. REFERENCE BOOKS:

1. Engineering Heat Transfer- HSU 2. Heat Transfer- A Basic Approach By Nectai Omosik 3. Heat Transfer- By S.C. Sukatme 4. Heat Transfer By J.P. Holman 5. Heat And Mass Transfer By Domkundwar

(C3 ME03) -METROLOGY AND MACHINE TOOLS UNIT-I Systems Of Limits And Fits: Introduction- Nominal size- Tolerance limits, Deviation, allowances, fits and their types Hole basis system and shaft basis system-Interchangeability and selective assembly. Indian Standard System of limits and fits for plain and screwed work-British standard and International Standard System.

UNIT-II Linear measurement Length standard Line and End standard Slip gauges, their manufacture and Calibration-Dial test indicator-micrometers. Flat surface measurement Measurement of flat surfaces-Straight edges-Optical Flat, Auto Collimator.

UNIT-III Measurement of angles and Tapers.Different methods-Bevel Protractor spirit level ,Angle slip gauzes, single bar-Rollers and spheres used to determine tapers. Limit gauzes: Taylors Principle design of GO-NO GO gauges,plug, ring gap , snap, taper , profile and position gauzes-limit gauzes for screwed work. Toolmakers Microscope ,its Construction, Uses optical projector microbic collimator-Construction and uses.

UNIT-IV Measurement through comparison ; Mechanical comparator, Optical comparator,Electrical and Electric Comparator, parametric comparator and their uses in mass production. Screw thread measurement _Error in Screw threads _Measurement Of Effective diameter,Major and Minor Diameters different pitch errors-influence of pitch error on effective diameters-Thread gauges-Thread measuring machines. UNIT-V Surface finish measurement : Difference between surface waviness and rough ess-Numerical assessment of surface Finish CLA,RMS,RZ,RP RA values influence of surface Finish on performance of the parts. Surface finish measuring: instruments-Profilograph, Talysurf Instrument Tomlinson surface meter. UNIT-VI Gear measurement .Brief treatment of the subject. Machine tool alignment test: Acceptance test-Different measuring tools used in machine tool alignment test-Alignment test for lathe dilling Radial drilling and Milling machine Alignment of test charts. Coordinate Measuring Machines(CMM),Electronic Inspection and measuring machines-Multidimensional auto gauzing and sorting machine. Measurement of straightness, flatness, parallelism, square ness and roundness.

UNIT VII Elementary Treatment of Metal Cutting Theory Cutting tool materials Chip formation types of Chips Mechanics of Orthogonal Cutting Cutting Forces Economics of Machinability. Milling Machines types Horizontal , Vertical, Universal Milling Machines Milling operations Indexing types of Indexing Milling Cutters Type Charts. Numerical control to Machine Tools. Brief Treatment. UNIT VIII Grinding Grinding Machines Theory of Grinding Special Types of Grinding Machines Specifications of Grinding Wheel Selection of Grinding Wheel Constructional Features and Feed and Speed Units Machining Time Calculations. Machine tool alignment test : Acceptance Test Different measuring tools used in Machine tool Alignment test Alignment test for Lathe Drilling Radial Drilling and Milling Machine Alignment Test Charts.

TEXT BOOKS:

1. Metrology By R.K.Jain 2. Production Technology By HMT. REFERENCE BOOKS: 1. Engineering Metrology - By IC Gupta 2. A Text Book of Metrology - By M. Mahajan. 3. Fundamentals of Metal Cutting and Machining Tools Juneja & Sekhon. 4. Principles of Metal Cutting by Kuppuswamy.

(C3 ME04) -I.C. ENGINES AND AUTOMOBILE ENGINEERING

UNIT I I.C. Engines: Principles of Ideal fuel air & actual cycles Engine Classification Fuel systems for petrol & Diesel engines Cooling systems Lubrication systems. UNIT II Combustion in S.I. Engines: Normal Combustion and abnormal combustion Importance of flame speed and effect of engine variables Type of abnormal combustion, pre-ignition and knocking (explanation of) Fuel requirements and fuel rating, anti-knock additives combustion chamber-requirements, types. UNIT III Combustion in C.I. Engines: Four stages of combustion Delay period and its importance Effect of engine variables Diesel knock, explanation of Need for air movement, suction, compression and combustion induced turbulence open and divided combustion chambers and nozzles used fuel requirements and fuel rating. UNIT IV Testing and Performance: Parameters of performance Measurement of cylinder pressure, fuel consumption, air intake, exhaust gas composition, Brake power Determination of frictional losses and indicated power Performance test Heat balance sheet - Valve and Port timing Diagrams. UNIT V General Layout of a typical rear wheel driven automobile Chassis body power unit engine construction engine service re-boring de-carbonization grinding & Nitriding of crank shaft engine emissions clutches gearbox propeller shaft differential rear axles wheels tyres. UNIT VI Steering system: Steering geometry-camber, castor, kingpin rake, combined angle, toe-in, center point steering. Types of steering mechanism-Ackerman steering mechanism, Davis steering mechanism Steering gears-types, steering linkages. UNIT VII Braking systems: Mechanical Brake systems, Hydraulic brake system, Master cylinder, wheel cylinder, tandem master cylinder, requirements of brake fluid, pneumatic and vacuum brakes.

UNIT VIII Suspension System: Objects of suspension systems rigid axial suspension system, torsion bar, shock absorber, and Independent suspension system. Electrical System: Charging circuit, generator, current voltage regulator starting system, bendix drive mechanism, solenoid switch, lighting systems, horn, wiper, fuel gauge oil pressure gauge, engine temperature indicator. TEXT BOOKS:

1. I.C. Engines : V. Ganesan 2. I.C. Engines : Gill, Smith and Ziures 3. Automotive Mechanics- Vol. 1 & Vol. 2 : Kirpal Sing 4. Automotive Mechanics: G.B.S. Narang

REFERENCE BOOKS: 5. Automotive Engineering: Nuten steeds & Harvet 6. Automobile Engineering : William Crouse 7. Automotive Mechanics : Heitner 8. Thermodynamics & Heat Engines : B. Yadav / Central Book Dept.

(C3 ME05)-POWER PLANT ENGINEERING UNIT I Introduction to the Sources of Energy Resources and Development of Power in India. STEAM POWER PLANT : Plant Layout, Working of different Circuits, Fuel and handling equipments, types of coals, coal handling, choice of handling equipment, coal storage, ash handling systems. COMBUSTION PROCESS : Properties of coal overfeed and underfeed fuel beds, traveling grate stokers, spreader stokers, retort stokers, pulverized fuel burning system and its components, combustion needs and draught system, cyclone furnace, design and construction, Dust collectors, cooling towers and heat rejection. Corrosion and feed water treatement. UNIT II INTERNAL COMBUSTION ENGINE PLANT: DIESEL POWER PLANT : Introduction field of use Plant layout with auxiliaries fuel supply system, air starting equipment, lubrication and cooling system super charging. UNIT III GAS TURBINE PLANT : Introduction classification Layout with auxiliaries Principles of working of closed and open cycle gas turbines. DIRECT ENERGY CONVERSION : Solar energy Fuel cells, Thermo electric and Thermo ionic, MHD generation. UNIT IV HYDRO ELECTRIC POWER PLANT : Water power Hydrological cycle / flow measurement drainage area characteristics Hygrographs storage and pondage classification of dams and spill ways. HYDRO PROJECTS AND PLANT : Classification Typical layouts plant auxiliaries plant operation pumped storage plants. UNIT V POWER FROM NON-CONVENTIONAL SOURCES : Utilization of Solar, Wind and Tidal Energies. UNIT VI NUCLEAR POWER STATION : Nuclear fuel breeding and fertile materials Nuclear reactor reactor operation. TYPES OF REACTORS : Pressurized water reactor, Boiling water reactor, sodium-graphite reactor, fast Breeder Reactor, Homogeneous Reactor, Gas cooled Reactor, Radiation hazards and shielding radioactive waste disposal.

UNIT VII POWER PLANT ECONOMICS AND ENVIRONMENTAL CONSIDERATIONS: Capital cost, investment of fixed charges, operating costs, general arrangement of power distribution, Load curves, load duration curve. Definitions of connected load, Maximum demand, demand factor, average load, load factor, diversity factor related exercises. UNIT VIII Effluents from power plants and Impact on environment pollutants and pollution standards Methods of pollution control. TEXT BOOKS : 1. A Text Book of Power Plant Engineering by Rajput , Laxmi Publications 2. A Course in Power Plant Engineering by Arora and S. Domkundwar. REFERENCE BOOKS : 1. Power Plant Engineering by F.T. Morse. 2. Power station Engineering and Economy by Skrotaki and Vopat. 3. An Introduction to Power Plant Technology by G.D. Rai.

(C3 ME06)-FINITE ELEMENT METHOD

UNIT I Introduction to Finite Element Method for solving field problems. Stress and Equilibrium. Boundary conditions. Strain Displacement relations. Stress strain relations. One Dimensional Problems : Finite element modeling coordinates and shape functions. UNIT II Potential Energy Approach : Assembly of Global stiffness matrix and load vector. Finite element equations, Treatment of boundary conditions, Quadratic shape functions. Analysis of Trusses; Stiffness Matrix for Plane Truss and Space Truss Elements, Stress Calculations UNIT III Analysis of Beams : Element stiffness matrix for two node, two degrees of freedom per node beam element, Load Vector, Deflection, Stresses UNIT IV Finite element modeling of two dimensional stress analysis with constant strain triangles and treatment of boundary conditions. Estimation of Load Vector, Stresses UNIT V Finite element modeling of Axi-symmetric solids subjected to Axi-symmetric loading with triangular elements. Two dimensional four noded Isoparametric elements and numerical integration. UNIT VI Steady state heat transfer analysis: one dimensional analysis of Slab, fin and two dimensional analysis of thin plate. Analysis of a uniform shaft subjected to torsion.

UNIT VII Dynamic Analysis: Formulation of finite element model, element - Mass matrices, evaluation of Eigen values and Eigen vectors for a stepped bar, truss and beam. UNIT VIII Finite element formulation to 3 D problems in stress analysis, convergence requirements, Mesh generation, Techniques such as semi automatic and fully Automatic Mesh generation Techniques : use of softwares such as ANSYS, CAEFEM, NISA NASTRAN etc. Comparison of commercially available packages. TEXT BOOKS : 1. Introduction to Finite Elements in Engineering / Chandraputla, Ashok and Belegundu / Prentice

Hall/Pearson REFERENCE BOOKS : 1. The Finite Element Methods in Engineering / SS Rao / Pergamon. 2. Finite Element Method Zincowitz / Mc Graw Hill 3. Finite Element Analysis P.Seshu / PHI 4. Finite Element Analysis Hutton /TMH 5. Finite Element Analysis Bathe / PHI 6. Finite Element Method Krishna Murthy / TMH 7. Finite Elements Methods Logan Thomson Publications

(C3 ME07) -METROLOGY & MACHINE TOOLS LAB Note: Any six of the following experiments from each section be conducted. Section A 1. Measurement of lengths, heights, diameters by vernier calipers micrometers etc.

2. Measurement of bores by internal micrometers and dial bore indicators.

3. Use of gear teeth, vernier calipers and checking the chordal addendum and chordal height of spur

gear.

4. Machine tool alignment of test on the lathe.

5. Machine tool alignment test on milling machine.

6. Tool makers microscope and its application

7. Angle and taper measurements by Bevel protractor, Sine bars, etc.

8. Use of spirit level in finding the flatness of surface plate.

9. Thread measurement by Bevel protractor, Sine bars, etc.

10. Surface roughness measurement by Taly Surf.

Section B:

1. Introduction of general purpose machines Lathe, Drilling machine, Milling machine, Shaper,

Planning machine, slotting machine, Cyl. Grinder, surface grinder. And tool and cutter grinder.

2. Step turning and taper turning on lathe machine

3. Thread cutting and knurling on lathe machine

4. Drilling and Tapping

5. Shaping and Planning

6. Slotting

7. Milling

8. Cylindrical / Surface Grinding

9. Grinding of Tool angles.

10. Electro Discharge Machining / Ultrasonic Machinin

(C3 ME08) HEAT AND MASS TRANSFER LAB

1. Thermal conductivity of given metal rod. 2. Stefan Boltzman Apparatus 3. critical heat flux Apparatus 4. Composite wall-overall heat transfer coefficient 5. Heat transfer through lagged pipe 6. Heat transfer In forced convection apparatus 7. Heat transfer in Natural Convection 8. Thermal Conductivity in Insulation Power. 9. Parallel and Counter flow Heat Exchanger 10. Emissivity apparatus 11. Study of Heat pipe.

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SCHOOL OF CONTINUING AND DISTANCE EDUCATIONJAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR,(C3 ME01) -MECHANICAL ENGINEERING DESIGNNote: Design Data Book PermittedUNIT IIntroduction: General considerations in design Engineering materials and their properties Selection.Stresses in Machine members: Simple stress Combined stresses Torsional and bending stresses Stress-Strain relations Various Theories of failure Factors of safety Design stress Preferred numbers.Strength of machine elements: Stress concentration Theoretical stresses Endurance limit Estimation of endurance strength Goodmans line Soderberg line.UNIT IIDesign of Fasteners: Riveted joints Welded joints Bolted joints Design of bolts with initial stresses Design of joints under eccentric loading.Keys, Cotters and Knuckle joints: Design of keys Stresses in key cottered joints Socket and Spigot, Sleeve and Cotter, Jib and Cotter joints Knuckle joints.UNIT IIIShafts and Shaft Couplings: Design of solid and hollow shafts for strength and rigidity Design of shafts for combined bending and axial loads Shaft sizes ISI code Shaft Couplings Muff, Split Muff and Flange Couplings- Flexible Couplings Fl...UNIT IVBearings: Types of journal bearings Lubrication Bearing Modulus Full and partial bearings Clearance ratio Heat dissipation of bearings, bearing materials Journal bearing design Ball and roller bearings Static Load, Dynamic load, equiva...UNIT VI.C. Engine Components: Connecting Rod Thrust in connecting rod Stress due to whipping action on connecting rod ends Cranks and crank shafts, strength and proportions of over hung and center cranks Crank pins, Crank shafts. Pistons Forces ac...UNIT VIPulleys: Transmission of power by belt drives, Transmission efficiencies, Belts Flat and V types Pulleys for belt drives.UNIT VIIMechanical Springs: Stresses and deflections of helical springs Extension and Compression springs Design of springs for fatigue loading Natural frequency of helical springs Energy Storage capacity Helical Torsion springs Design of co-axial...UNIT - VIIIGears: Spur Gears Load concentration factor Dynamic load factor Surface Compressive strength Bending strength Design analysis of spur gears Estimation of center distance, module and face width, check for plastic deformation.TEXT BOOKS:1. Mechanical Engg. Design by J.E. Shigley.2. Machine Design by Pandya and ShahREFERENCE BOOKS:1. Machine Design by T. V. Sunder Raja Murthy & N. Shanmugam2. Machine Design by V.V. Bhandari3. Machine Design by Sarma and Agarwal4. Machine Design by P. Kannaiah.5. Machine Design Schaum seriesData Book:1. PSG College of Technology(C3 ME02) -HEAT AND MASS TRANSFERUNIT-IINTRODUCTIONSTEADY STATE HEAT CONDUCTIONUNIT-IIIUNSTEADY STATE HEAT CONDUCTIONUNIT-IVCONVECTIONUNIT-VRADIATIONUNIT-VIPHASE CHANGEUNIT-VIIHEAT EXCHANGERSUNIT-VIIIMASS TRANSFER(C3 ME03) -METROLOGY AND MACHINE TOOLSUNIT-IUNIT-IIUNIT-III

UNIT-IVUNIT-VUNIT-VI

(C3 ME04) -I.C. ENGINES AND AUTOMOBILE ENGINEERINGUNIT IIUNIT IIIUNIT IVUNIT VUNIT VIUNIT VIIUNIT VIII

(C3 ME05)-POWER PLANT ENGINEERING(C3 ME06)-FINITE ELEMENT METHOD(C3 ME07) -METROLOGY & MACHINE TOOLS LAB(C3 ME08) HEAT AND MASS TRANSFER LAB