New VTU Syllabus Mechanical Engineering

vtu syllabus mechanical engineering 2018 | Btech New syllabus 2018 | Mechanical Engineering | syllabus 2018 | vtu 2 semester,3 Semester | BE Mechanical Engineering Syllabus |

  • BASIC THERMODYNAMICS BASIC THERMODYNAMICS
  • MATERIAL SCIENCE MATERIAL SCIENCE
  • Mechanical Engineering Mechanical Engineering
  • VTU Syllabus VTU Syllabus
  • MECHANICS OF MATERIALS MECHANICS OF MATERIALS
  • METAL CASTING AND WELDING METAL CASTING AND WELDING
  • MACHINE TOOLS AND OPERATIONS MACHINE TOOLS AND OPERATIONS
  • COMPUTER AIDED MACHINE DRAWING COMPUTER AIDED MACHINE DRAWING
  • MECHANICAL MEASUREMENTS AND METROLOGY MECHANICAL MEASUREMENTS AND METROLOGY
  • MACHINE SHOP MACHINE SHOP
  • MATERIALS TESTING LAB MATERIALS TESTING LAB
  • vtu syllabus mechanical engineering vtu syllabus mechanical engineering 2018
  • VTU 2018 Syllabus VTU 2018 Syllabus

New VTU Syllabus Mechanical Engineering

MATERIAL SCIENCE

B.E, III Semester, Mechanical Engineering

Module 1

Basics, Mechanical Behavior, Failure of Materials

Introduction to Crystal Structure – Coordination number, atomic packing factor, Simple Cubic, BCC, FCC and HCP Structures, Crystal imperfections – point, line, surface and volume imperfections, Atomic Diffusion: Phenomenon, Fick’s laws of diffusion; Factors affecting diffusion.

Mechanical Behavior:

Stress-strain diagrams showing ductile and brittle behavior of materials, Engineering and true strains, Linear and non-linear elastic behavior and
properties, Mechanical properties in plastic range. Stiffness, Yield strength, Offset Yield strength, Ductility, Ultimate Tensile strength, Toughness,
Plastic deformation of single crystal by slip and twinning, Mechanisms of strengthening in metals
Fracture: Type I, Type II and Type III,
Fatigue: Types of fatigue loading with examples, Mechanism of fatigue, Fatigue properties, S-N diagram, Fatigue testing. Creep: Description of the phenomenon with examples, three stages of creep, creep properties, Stress relaxation. Concept of fracture toughness.

Module – 2

Alloys, Steels, Solidification
Concept of formation of alloys: Types of alloys, solid solutions, factors affecting solid solubility (Hume Rothery rules), Binary phase diagrams:Eutectic, and Eutectoid systems, Lever rule, Substitutional and interstitial solid solutions, Intermediate phases, Gibbs phase rule Effect of nonequilibrium cooling, Coring and Homogenization Iron-Carbon (Cementite) diagram: description of phases, Specifications of steels. Solidification:Mechanism of solidification, Homogenous and Heterogeneous nucleation, Crystal growth, Numerical on lever rule

Module – 3

Heat Treatment, Ferrous and Non-Ferrous Alloys

Heat treating of metals: Time-Temperature-Transformation (TTT) curves, Continuous Cooling Transformation (CCT) curves, Annealing: Recovery, Recrystallization and Grain growth, Types of annealing, Normalizing, Hardening, Tempering, Martempering, Austempering, Concept of hardenability, Factors affecting it hardenability, surface hardening methods: carburizing, cyaniding, nitriding, flame hardening and induction hardening, Age hardening of aluminum-copper alloys and PH steels. Ferrous materials: Properties, Compositions and uses of Grey cast iron, Malleable iron, SG iron and steel,

Module – 4

Other Materials, Material Selection
Ceramics: Structure types and properties and applications of ceramics. Mechanical / Electrical behavior and processing of Ceramics.

Plastics: Various types of polymers/plastics and their applications. Mechanical behaviors and processing of plastics, Failure of plastics.
Other materials: Smart materials and Shape Memory alloys, properties and applications.

Module – 5

Composite Materials
Composite materials – Definition, classification, types of matrix materials & reinforcements, Metal Matrix Composites (MMCs), Ceramic Matrix Composites (CMCs) and Polymer Matrix Composites (PMCs), Particulate-reinforced and fiber-reinforced composites, Fundamentals of production of composites, Processes for production of composites, Constitutive relations of composites, Numerical problems on determining properties of composites.

Course outcomes:

• Describe the mechanical properties of metals, their alloys and various modes of failure.
• Understand the microstructures of ferrous and non-ferrous materials to mechanical properties.
• Explain the processes of heat treatment of various alloys.
• Understand the properties and potentialities of various materials available and material selection procedures.
• Know about composite materials and their processing as well as applications.

TEXT BOOKS:
1. Smith, Foundations of Materials Science and Engineering, 4th Edition, McGraw Hill, 2009.
2. William D. Callister, Material science and Engineering and Introduction, Wiley, 2006.
REFERENCE BOOKS
1. V.Raghavan, Materials Science and Engineering, , PHI, 2002
2. Donald R. Askland and Pradeep.P. Phule, The Science and Engineering of Materials, Cengage Learning, 4lh Ed., 2003.
3. George Ellwood Dieter, Mechanical Metallurgy, McGraw-Hill.
4. ASM Handbooks, American Society of Metals.

BASIC THERMODYNAMICS

B.E, III Semester, Mechanical Engineering

Module – 1

Fundamental Concepts & Definitions: Thermodynamic definition and scope, Microscopic and Macroscopic approaches. Some practical applications of engineering thermodynamic Systems, Characteristics of system boundary and control surface, examples. Thermodynamic properties; definition and units, intensive , extensive properties, specific properties, pressure, specific volume Thermodynamic state, state point, state diagram, path and process, quasi-static process, cyclic and non-cyclic; processes; Thermodynamic equilibrium; definition, mechanical equilibrium; diathermic wall, thermal equilibrium, chemical equilibrium, Zeroth law of thermodynamics, Temperature; concepts, scales, international fixed points and measurement of temperature. Constant volume gas thermometer, constant pressure gas thermometer, mercury in glass thermometer
Work and Heat: Mechanics, definition of work and its limitations. Thermodynamic definition of work; examples, sign convention. Displacement work; as a part of a system boundary, as a whole of a system boundary, expressions for displacement work in various processes through p-v diagrams. Shaft work; Electrical work. Other types of work. Heat; definition, units and sign convention. Problems L1 , L2

Module – 2

First Law of Thermodynamics: Joules experiments, equivalence of heat and work. Statement of the First law of thermodynamics, extension of the First law to non – cyclic processes, energy, energy as a property, modes of energy, Extension of the First law to control volume; steady flow energy equation(SFEE), important applications.
Second Law of Thermodynamics: limitations of first law of thermodynamics Devices converting heat to work; (a) in a thermodynamic cycle, (b) in a mechanical cycle. Thermal reservoir, Direct heat engine; schematic representation and efficiency. Devices converting work to heat in a thermodynamic cycle; reversed heat engine, schematic representation, coefficients of performance. Kelvin – Planck statement of the Second law of Thermodynamics; PMM I and PMM II, Clausius statement of Second law of Thermodynamics, Equivalence of the two statements; Carnot cycle, Carnot principles. Problems L1 , L2, L3

Module – 3

Reversibility: Definitions of a reversible process, reversible heat engine, importance and superiority of a reversible heat engine and irreversible processes; factors that make a process irreversible, reversible heat engines. Unresisted expansion, remarks on Carnot’s engine, internal and external reversibility, Definition of the thermodynamic temperature scale. Problems

Entropy: Clasius inequality, Statement- proof, Entropy- definition, a property, change of entropy, entropy as a quantitative test for irreversibility, principle of increase in entropy, entropy as a coordinate. L1 , L2, L3

Module – 4

Availability, Irreversibility and General Thermodynamic relations. Introduction, Availability (Exergy), Unavailable energy, Relation between increase in unavailable energy and increase in entropy. Maximum work, maximum useful work for a system and control volume, irreversibility, second law efficiency.
Pure Substances: P-T and P-V diagrams, triple point and critical points. Sub cooled liquid, saturated liquid, mixture of saturated liquid and vapor, saturated vapor and superheated vapor states of pure substance with water as example. Enthalpy of change of phase (Latent heat). Dryness fraction (quality), T-S and H-S diagrams, representation of various processes on these diagrams. Steam tables and its use. Throttling calorimeter, separating and throttling calorimeter. L1, L2, L3

Module – 5

Ideal gases: Ideal gas mixtures, Daltons law of partial pressures, Amagat’s law of additive volumes, evaluation of properties of perfect and ideal gases, Air- Water mixtures and related properties.
Real gases – Introduction , Van-der Waal’s Equation of state, Van-der Waal’s constants in terms of critical properties, Beattie-Bridgeman equation , Law of corresponding states, compressibility factor; compressibility chart. Difference between Ideal and real gases. L1 , L2

Course outcomes:

• Explain thermodynamic systems, properties, Zeroth law of thermodynamics, temperature scales and energy interactions.
• Determine heat, work, internal energy, enthalpy for flow & non flow process using First and Second Law of Thermodynamics.
• Interpret behavior of pure substances and its applications to practical problems.
• Determine change in internal energy, change in enthalpy and change in entropy using TD relations for ideal gases.
• Calculate Thermodynamics properties of real gases at all ranges of pressure, temperatures using modified equation of state including Vander Waals equation, Redlich Wong equation and BeattieTEXT

BOOKS:
1. Basic Engineering Thermodynamics, A.Venkatesh, Universities Press, 2008
2. Basic and Applied Thermodynamics, P.K.Nag, 2nd Ed., Tata McGraw Hill Pub. 2002
REFERENCE BOOKS
1. Thermodynamics, An Engineering Approach, YunusA.Cenegal and Michael A.Boles, Tata McGraw Hill publications, 2002
2. Engineering Thermodynamics, J.B.Jones and G.A.Hawkins, John Wiley and Sons..
3. Fundamentals of Classical Thermodynamics, G.J.VanWylen and R.E.Sonntag, Wiley Eastern.
4. An Introduction to Thermodynamcis, Y.V.C.Rao, Wiley Eastern, 1993,
5. B.K Venkanna, Swati B. Wadavadagi “Basic Thermodynamics, PHI, New Delhi, 2010

MECHANICS OF MATERIALS

B.E, III Semester, Mechanical Engineering

Module – 1

Stress and Strain: Introduction, Hooke’s law, Calculation of stresses in straight, Stepped and tapered sections, Composite sections, Stresses due to temperature change, Shear stress and strain, Lateral strain and Poisson’s ratio, Generalized Hooke’s law, Bulk modulus, Relationship between elastic constants.

Module – 2

Analysis of Stress and Strain: Plane stress, Stresses on inclined planes, Principal stresses and maximum shear stress, Principal angles, Shear stresses on principal planes, Maximum shear tress, Mohr circle for plane stress conditions.
Cylinders: Thin cylinder: Hoop’s stress, maximum shear stress, circumferential and longitudinal strains, Thick cylinders: Lames equations.

Module – 3

Shear Forces and Bending Moments: Type of beams, Loads and reactions, Relationship between loads, shear forces and bending moments, Shear force and bending moments of cantilever beams, Pin support and roller supported beams subjected to concentrated loads and uniformly distributed constant / varying loads.
Stress in Beams: Pure bending, Curvature of a beam, Longitudinal strains in beams, Normal stresses in Beams with rectangular, circular, ‘I’ and ‘T’ cross sections, Flexure Formula, Bending Stresses.

Module – 4

Torsion: Circular solid and hallow shafts, Torsional moment of resistance, Power transmission of straight and stepped shafts, Twist in shaft sections, Thin tubular sections, Thin walled sections
Columns: Buckling and stability, Critical load, Columns with pinned ends, Columns with other support conditions, Effective length of columns, Secant formula for columns.

Module – 5

Strain Energy: Castigliano’s theorem I and II, Load deformation diagram, Strain energy due to normal stresses, Shear stresses, Modulus of resilience, Strain energy due to bending and torsion.
Theories of Failure: Maximum Principal stress theory, Maximum shear stress theory.

Course outcomes:

• Understand simple, compound, thermal stresses and strains their relations, Poisson’s ratio, Hooke’s law, mechanical properties
including elastic constants and their relations.
• Determine stresses, strains and deformations in bars with varying circular and rectangular cross-sections subjected to normal and
temperature loads
• Determine plane stress, principal stress, maximum shear stress and their orientations using analytical method and Mohr’s circle
• Determine the dimensions of structural members including beams, bars and rods using Energy methods and also stress distribution in thick and thin cylinders
• Draw SFD and BMD for different beams including cantilever beams, simply supported beams and overhanging beams subjected to UDL, UVL, Point loads and couples
• Determine dimensions, bending stress, shear stress and its distribution in beams of circular, rectangular, symmetrical I and T sections subjected to point loads and UDL
• Determine the dimensions of shafts based on torsional strength, rigidity and flexibility and also elastic stability of columns using Rankin’s and Euler’s theory
TEXT BOOKS:
1. James M Gere, Barry J Goodno, Strength of Materials, Indian Edition, Cengage Learning, 2009.
2. R Subramanian, Strength of Materials, Oxford, 2005.
REFERENCE BOOKS
1. S S Rattan, Strength of Materials, Second Edition, McGraw Hill, 2011.
2. Ferdinand Beer and Russell Johston, Mechanics of materials, Tata McGraw Hill, 2003.

METAL CASTING AND WELDING

B.E, III/IV Semester, Mechanical Engineering

Module – 1

INTRODUCTION & BASIC MATERIALS USED IN FOUNDRY
Introduction: Definition, Classification of manufacturing processes. Metals cast in the foundry-classification, factors that determine the selection of a casting alloy.
Introduction to casting process & steps involved. Patterns: Definition, classification, materials used for pattern, various pattern allowances and their
importance.
Sand molding: Types of base sand, requirement of base sand. Binder, Additives definition, need and types
Preparation of sand molds: Molding machines- Jolt type, squeeze type and Sand slinger. Study of important molding process: Green sand, core sand, dry sand, sweep mold, CO2 mold, shell mold, investment mold, plaster mold, cement bonded mold. Cores: Definition, need, types. Method of making cores, concept of gating (top, bottom, parting line, horn gate) and rise ring (open, blind) Functions and types

Module – 2

MELTING & METAL MOLD CASTING METHODS

Melting furnaces: Classification of furnaces, Gas fired pit furnace, Resistance furnace, Coreless induction furnace, electric arc furnace, constructional features & working principle of cupola furnace.
Casting using metal molds: Gravity die casting, pressure die casting, centrifugal casting, squeeze casting, slush casting, thixocasting, and continuous casting processes

Module – 3

SOLIDIFICATION & NON FERROUS FOUNDRY PRACTICE
Solidification: Definition, Nucleation, solidification variables, Directional solidification-need and methods. Degasification in liquid metals-Sources of gas, degasification methods.
Fettling and cleaning of castings: Basic steps involved. Sand Casting defects- causes, features and remedies. Advantages & limitations of casting process
Nonferrous foundry practice: Aluminum castings – Advantages, limitations, melting of aluminum using lift-out type crucible furnace. Hardeners used, drossing, gas absorption, fluxing and flushing, grain refining, pouring temperature. Stir casting set up, procedure, uses, advantages and limitations.

Module – 4

WELDING PROCESS
Welding process: Definition, Principles, Classification, Application, Advantages & limitations of welding. Arc welding: Principle, Metal arc welding (MAW), Flux Shielded Metal Arc Welding (FSMAW), Inert Gas Welding (TIG & MIG) Submerged Arc Welding (SAW) and Atomic Hydrogen Welding (AHW).
Special type of welding: Resistance welding principles, Seam welding, Butt welding, Spot welding and Projection welding. Friction welding, Explosive welding, Thermit welding, Laser welding and electron beam welding.

Module – 5

SOLDERING , BRAZING AND METALLURGICAL ASPECTS IN WELDING
Structure of welds, Formation of different zones during welding, Heat Affected Zone (HAZ), Parameters affecting HAZ. Effect of carbon content on structure and properties of steel, Shrinkage in welds& Residual stresses, Concept of electrodes, filler rod and fluxes. Welding defects- Detection, causes & remedy.
Soldering, brazing, gas welding: Soldering, Brazing, Gas Welding: Principle, oxy-Acetylene welding, oxy-hydrogen welding, air-acetylene welding, Gas cutting, powder cutting.
Inspection methods: Methods used for inspection of casting and welding. Visual, magnetic particle, fluorescent particle, ultrasonic. Radiography,
eddy current, holography methods of inspection.
TEXT BOOKS:
1. “Manufacturing Process-I”, Dr.K.Radhakrishna, Sapna Book House,5th Revised Edition 2009.
2. “Manufacturing & Technology”: Foundry Forming and Welding,P.N.Rao, 3rd Ed., Tata McGraw Hill, 2003.
REFERENCE BOOKS
1. “Process and Materials of Manufacturing”, Roy A Lindberg, 4th Ed.Pearson Edu. 2006.
2. “Manufacturing Technology”, SeropeKalpakjian, Steuen. R. Sechmid,Pearson Education Asia, 5th Ed. 2006.
3. “Principles of metal casting”, Rechard W. Heine, Carl R. LoperJr., Philip C. Rosenthal, Tata McGraw Hill Education Private Limited
Ed.1976.

MACHINE TOOLS AND OPERATIONS

B.E, III/IV Semester, Mechanical Engineering

Module – 1

MACHINE TOOLS
Introduction, Classification, construction and specifications of lathe, drilling machine, milling machine, boring machine, broaching machine, shaping
machine, planning machine, grinding machine [Simple sketches showing major parts of the machines]

Module – 2

MACHINING PROCESSES
Introduction, Types of motions in machining, turning and Boring, Shaping, Planning and Slotting, Thread cutting, Drilling and reaming, Milling, Broaching, Gear cutting and Grinding, Machining parameters and related quantities.
[Sketches pertaining to relative motions between tool and work piece only]

Module – 3

CUTTING TOOL MATERIALS, GEOMETRY AND SURFACE FINISH
Introduction, desirable Properties and Characteristics of cutting tool materials, cutting tool geometry, cutting fluids and its applications, surface finish, effect of machining parameters on surface finish.
Machining equations for cutting operations: Turning, Shaping, Planing, slab milling, cylindrical grinding and internal grinding, Numerical  Problems

Module – 4

MECHANICS OF MACHINING PROCESSES
Introduction, Chip formation, Orthogonal cutting, Merchants model for orthogonal cutting, Oblique cutting, Mechanics of turning process, Mechanics of drilling process, Mechanics of milling process, Numerical problems.

Module – 5

TOOL WEAR, TOOL LIFE: Introduction, tool wear mechanism, tool wear equations, tool life equations, effect of process parameters on tool life, machinability, Numerical problems
ECONOMICS OF MACHNING PROCESSES: Introduction, choice of feed, choice of cutting speed, tool life for minimum cost and minimum
production time, machining at maximum efficiency, Numerical problems

TEXT BOOKS:
1. Fundamentals of metal cutting and Machine Tools, B.L. Juneja, G.S. Sekhon and Nitin Seth, New Age International Publishers 2nd Edition,
2003
2. All about Machine Tools, Heinrich Gerling, New Age International Publishers revised 2nd Edition, 2006
REFERENCE BOOKS
1. Fundamental of Machining and Machine Tools, Geoffrey Boothroyd and Winston A. Knight, CRC Taylor& Francis, Third Edition.
2. Metal cutting principles, Milton C. Shaw, Oxford University Press, Second Edition,2005.

COMPUTER AIDED MACHINE DRAWING

B.E, III/IV Semester, Mechanical Engineering

PART A

INTRODUCTION TO COMPUTER AIDED SKETCHING
Review of graphic interface of the software. Review of basic sketching commands and navigational commands.
Sections of Solids: Sections of Pyramids, Prisms, Cubes, Tetrahedrons, Cones and Cylinders resting only on their bases (No problems on, axis inclinations, spheres and hollow solids), True shape of section.
Orthographic views: Conversion of pictorial views into orthographic projections of simple machine parts with or without section. (Bureau of Indian Standards conventions are to be followed for the drawings), Hidden line conventions, Precedence of lines.
Thread forms: Thread terminology, sectional views of threads. ISO Metric (Internal & External), BSW (Internal and External), square, Acme and Sellers thread, American Standard thread.
Fasteners: Hexagonal headed bolt and nut with washer (assembly), square headed bolt and nut with washer (assembly) simple assembly using stud bolts with nut and lock nut. Flanged nut, slotted nut, taper and split pin for locking, counter sunk head screw, grub screw, Allen screw.

PART B

Keys and Joints: Parallel, Taper, Feather Key, Gib head key and Woodruff key
Riveted joints: Single and double riveted lap joints, Butt joints with single/double cover straps (Chain and zigzag using snap head riveters).
Joints:Cotter joint (socket and spigot), Knuckle joint (pin joint) for two rods.8 Hours
Couplings: Split muff coupling, Protected type flange coupling, Pin (bush) type flexible coupling, Oldham’s coupling and Universal coupling (Hook’s Joint).

PART C

Limits, Fits and Tolerances: Introduction, Fundamental tolerances, Deviations, Methods of placing limit dimensions, Types of fits with symbols and applications, Geometrical tolerances on drawings, Standards followed in industry.
Assembly Drawings: (Part drawings shall be given)
1. Plummer block (Pedestal Bearing)
2. Rams Bottom Safety Valve
3. I.C. Engine connecting rod
4. Screw jack (Bottle type)
5. Tailstock of lathe
6. Machine vice
7. Lathe square tool post
TEXT BOOKS:
1. ‘A Primer on Computer Aided Machine Drawing-2007’, Published by VTU, Belgaum.
2. ‘Machine Drawing’, N.D.Bhat & V.M.Panchal, Published by Charotar Publishing House, 1999.
3. ‘Machine Drawing’, N.Siddeshwar, P.Kannaih, V.V.S. Sastri, published by Tata Mc.Grawhill, 2006.
REFERENCE BOOKS
1. “A Text Book of Computer Aided Machine Drawing”, S. Trymbakaa Murthy, CBS Publishers, New Delhi, 2007.
2. ‘Machine Drawing’, K.R. Gopala Krishna, Subhash publication.

MECHANICAL MEASUREMENTS AND METROLOGY

B.E, III/IV Semester, Mechanical Engineering

Module – 1

MACHINE TOOLS
Introduction to Metrology: Definition, objectives and concept of metrology, Need of inspection, Principles, process, methods of measurement, Classification and selection of measuring instruments and systems. Accuracy, precision and errors in measurement.
System of measurement, Material Standard, Wavelength Standards, Subdivision of standards, Line and End standards, Classification of standards and Traceability, calibration of End bars (Numerical Problems), standardization.
Linear Measurement and angular measurements:
Slip gauges- Indian standards on slip gauge, method of selection of slip gauge, stack of slip gauge, adjustable slip gauge, wringing of slip gauge, care of slip gauge, slip gauge accessories, problems on building of slip gauges (M87, M112).
Measurement of angles- sine bar, sine center, angle gauges, optical instruments for angular measurements, Auto collimator-applications for measuring straightness and squareness.

Module – 2

System of Limits, Fits, Tolerance and Gauging:
Definition of tolerance, Specification in assembly, Principle of interchangeability and selective assembly, limits of size, Indian standards, concept of limits of size and tolerances, definition of fits, hole basis system, shaft basis system, types of fits and their designation (IS 919-1963), geometric tolerance, position-tolerances.
Classification of gauges, brief concept of design of gauges (Taylor’s principles), Wear allowance on gauges, Types of gauges-plain plug gauge, ring gauge, snap gauge, limit gauge and gauge materials.
Comparators:
Functional requirements, classification, mechanical- Johnson Mikrokator, sigma comparators, dial indicator, electrical- principles, , LVDT, Pneumatic- back pressure gauges, Solex comparators and optical comparators- Zeiss ultra-optimeter.

Module – 3

Measurement of screw thread and gear:
Terminology of screw threads, measurement of major diameter, minor diameter, pitch, angle and effective diameter of screw threads by 2-wire and 3-wire methods, best size wire. Screw thread gauges, Tool maker’s microscope.
Gear tooth terminology, tooth thickness measurement using constant chord method, addendum comparator method and base tangent method, measurement of pitch, concentricity, run out, and involute profile. Gear roll tester for composite error.
Advances in metrology:
Basic concepts of lasers, advantages of lasers, laser interferometers, types, applications. Basic concepts of Coordinate Measuring Machines constructional
features, applications.

Module – 4

Measurement systems and basic concepts of measurement methods:
Definition, significance of measurement, generalized measurement system, definitions and concept of accuracy, precision, calibration, threshold, sensitivity, hysteresis, repeatability, linearity, loading effect, system response-time delay. Errors in measurement, classification of errors.
Transducers, transfer efficiency, primary and secondary transducers, electrical, mechanical, electronic transducers, advantages of each type transducers.
Intermediate modifying and terminating devices: Mechanical systems, inherent problems, electrical intermediate modifying devices, input circuitry, ballast circuit, electronic amplifiers. Terminating devices, Cathode ray oscilloscope, Oscillographs.

Module – 5

Force, Torque and Pressure Measurement:
Direct methods and indirect method, force measuring inst. Torque measuring inst., Types of dynamometers, Absorption dynamometer, Prony brake and rope brake dynamometer, and power measuring instruments. Pressure measurement, principle, use of elastic members, Bridgeman gauge, McLeod gauge, Pirani gauge.
Measurement of strain and temperature:
Theory of strain gauges, types, electrical resistance strain gauge, preparation and mounting of strain gauges, gauge factor, methods of strain measurement. Temperature Compensation, Wheatstone bridge circuit, orientation of strain gauges for force and torque, Strain gauge based load cells and torque sensors.
Resistance thermometers, thermocouple, law of thermocouple, materials used for construction, pyrometer, optical pyrometer.

TEXT BOOKS:
1. Mechanical Measurements, Beckwith Marangoni and Lienhard, Pearson Education, 6th Ed., 2006.
2. Engineering Metrology, R.K. Jain, Khanna Publishers, Delhi, 2009.
REFERENCE BOOKS
1. Engineering Metrology and Measurements, Bentley, Pearson Education.
2. Theory and Design for Mechanical Measurements,III edition, Richard S Figliola, Donald E Beasley, WILEY India Publishers.
3. Engineering Metrology, Gupta I.C., DhanpatRai Publications.
4. Deoblin’s Measurement system, Ernest Deoblin, Dhaneshmanick, McGraw –Hill.
5. Engineering Metrology and Measurements,N.V.Raghavendra and L.Krishnamurthy, Oxford
University Press.

MATERIALS TESTING LAB

B.E, III Semester, Mechanical Engineering

PART – A

1. Preparation of specimen for Metallographic examination of different engineering materials.
To report microstructures of plain carbon steel, tool steel, gray C.I, SG iron, Brass, Bronze & composites.
2. Heat treatment: Annealing, normalizing, hardening and tempering of steel.
Metallographic specimens of heat treated components to be supplied and students should report microstructures of furnace cooled,water
cooled, air cooled, tempered steel.
Students should be able to distinguish the phase changes in a heat treated specimen compared to untreated specimen.
3. Brinell, Rockwell and Vickers’s Hardness tests on untreated and heat treated specimens.
4. To study the defects of Cast and Welded components using Non-destructive tests like:
a) Ultrasonic flaw detection
b) Magnetic crack detection
c) Dye penetration testing.

PART B

1. Tensile, shear and compression tests of steel, aluminum and cast iron specimens using Universal Testing Machine
2. Torsion Test on steel bar.
3. Bending Test on steel and wood specimens.
4. Izod and Charpy Tests on Mild steel and C.I Specimen.
5. To study the wear characteristics of ferrous and non-ferrous materials under different parameters.
6. Fatigue Test (demonstration only).
Course outcomes:
• Acquire experimentation skills in the field of material testing.
• Develop theoretical understanding of the mechanical properties of materials by performing experiments.
• Apply the knowledge to analyze a material failure and determine the failure inducing agent/s.
• Apply the knowledge of testing methods in related areas.
• Know how to improve structure/behavior of materials for various industrial applications.

MECHANICAL MEASUREMENTS AND METROLOGY LAB

B.E, III Semester, Mechanical Engineering

PART – A : MECHANICAL MEASUREMENTS

1. Calibration of Pressure Gauge
2. Calibration of Thermocouple
3. Calibration of LVDT
4. Calibration of Load cell
5. Determination of modulus of elasticity of a mild steel specimen using strain gauges.

PART B : METROLOGY

1. Measurement using Optical Projector / Toolmaker Microscope.
2. Measurement of angle using Sine Center / Sine bar / bevel protractor
3. Measurement of alignment using Autocollimator / Roller set
4. Measurement of cutting tool forces using
a) Lathe tool Dynamometer OR
b) Drill tool Dynamometer.
5. Measurement of Screw threads Parameters using two wire or Three-wire methods.
6. Measurement of Surface roughness, using Tally Surf/Mechanical Comparator.
7. Measurement of gear tooth profile using gear tooth Vernier /Gear tooth micrometer.
8. Calibration of Micrometer using slip gauges.
9. Measurement using Optical Flats.

FOUNDRY AND FORGING LAB

B.E, III Semester, Mechanical Engineering

PART-A
1. Testing of Molding sand and Core sand
Preparation of sand specimens and conduction of the following tests:
1. Compression, Shear and Tensile tests on Universal Sand Testing Machine.
2. Permeability test
3. Sieve Analysis to find Grain Fineness Number(GFN) of Base Sand
4. Clay content determination in Base Sand.
PART-B
2. Foundry Practice
1. Use of foundry tools and other equipment’s.
2. Preparation of molding sand mixture.
3. Preparation of green sand molds using two molding boxes kept ready for pouring.
• Using patterns (Single piece pattern and Split pattern)
• Without patterns.
• Incorporating core in the mold. (Core boxes).
• Preparation of one casting (Aluminum or cast iron-Demonstration only)
PART C
3. Forging Operations :
Use of forging tools and other equipment’s
• Calculation of length of the raw material required to prepare the model considering scale losses.
• Preparing minimum three forged models involving upsetting, drawing and bending operations.
• Demonstration of forging model using Power Hammer.
Course outcomes:
Students will be able to
• Demonstrate various skills of sand preparation, molding.
• Demonstrate various skills of forging operations.

MACHINE SHOP

B.E, III Semester, Mechanical Engineering

PART-A

Preparation of three models on lathe involving
Plain turning, Taper turning, Step turning, Thread cutting, Facing, Knurling, Drilling, Boring, Internal Thread cutting and Eccentric turning.

PART-B

Cutting of V Groove/ dovetail / Rectangular groove using a shaper

Cutting of Gear Teeth using Milling Machine

PART C

For demonstration
Demonstration of formation of cutting parameters of single point cutting tool using bench grinder / tool & cutter grinder. Demonstration of surface
milling /slot milling
Course outcomes:
• Perform turning , facing , knurling , thread cutting, tapering , eccentric turning and allied operations, keyways / slots , grooves
etc using shaper
• Perform gear tooth cutting using milling machine
• Understand the formation of cutting tool parameters of single point cutting tool using bench grinder / tool and cutter grinder,
Surface Milling/Slot Milling
• Demonstrate precautions and safety norms followed in Machine Shop
• Exhibit interpersonal skills towards working in a team

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