MEch s3..........

MECHANICAL ENGINEEING

 

3^rd Semester

 

Course Code	Course No.	Subject	Teaching Periods			Duration of Uty. Exam. (Hrs.)	Marks
			Lect.	Tut.	Prac.		Sessional	Theory	Practical	Total
A	CMELPA 301	Engineering Mathematics - II	3	1	-	3	50	100	-	150
B	M 302	Machine Drawing - I	-	-	4	3	50	100	-	150
C	M 303	Fluid Mechanics	2	2	-	3	50	100	-	150
D	M 304	Metallurgy & Material Science	3	1	-	3	50	100	-	150
E	M 305	Thermodynamics	2	2	-	3	50	100	-	150
F	M 306	Strength of Materials and Structural Engg.	3	1	-	3	50	100	-	150
G	M 307	Fluid Mechanics Laboratory	-	-	3	3	50	-	100	150
H	M 308	Strength of Materials Laboratory	-	-	3	3	50	-	100	150
		Total	13	7	10	-	400	600	200	1200

 

 

ENGINEERING MATHEMATICS - II

CMELPA 301                                                                                                           3+1+0

 

Module 1          Vector Differential Calculus

Differentiation of vector functions - scalar and vector fields – gradient, divergence and curl of a vector function – their physical meaning – directional derivative – scalar potential, conservative fields – identities – simple problems.

 

Module 2          Vector Integral Calculus

Line, surface and volume Integrals – work done by a force along a path – Application of Green’s theorem, Stokes theorem and Gauss divergence theorem.

 

Module 3            Function of Complex Variable

Definition of analytic functions and singular points – derivation of C.R. equations in Cartesian co-ordinates – harmonic and orthogonal properties – construction of analytic function given real or imaginary parts – complex potential – conformal transformation of function like zⁿ, e^z, 1/z, sin z, z+k²/z – bilinear transformation – cross ratio – invariant property – simple problems.

 

Module 4          Finite Differences

Meaning of D, Ñ, E, m, d - interpolation using Newton’s forward and backward formula – central differences – problems using stirlings formula – Lagrange’s formula and Newton’s divided difference formula for unequal intervals.

 

Module 5          Difference Calculus

Numerical differentiation using forward and backward differences – Numerical integration – Newton – Cote’s formula – trapezoidal rule – Simpson’s 1/3^rd and 3/8^th rule – simple problems. Difference equations – Solution of difference equations.

 

References  

 

1. Advanced Engg. Mathematics - Erwin Kreyszig, Wiley Eastern Ltd.
2. Higher Engg. Mathematics - Grawal B.S., Khanna Publishers
3. Numerical Methods in science & Engg. -M.K.Venkataraman, National Publishing Co
4. Numerical Methods  - S.Balachandra Rao and G.K.Shantha, Uty. press
5. Advanced Engg. Mathematics - Michael D.Greenberg, Prentice-Hall
6. Theory and Problems of Vector analysis - M.R.Spiegel, Schaum’s outline series, McGraw – Hill

 

 

 

 

 

 

 

MACHINE DRAWING - I

M 302                                                                                                                         0+0+4

 

Conversion of pictorial views into orthographic views-dimensioning techniques- preparation of drawing- screw threads-different forms-conventional representation-sketching-orthographic views of hexagonal bolts and nuts-dimensional drawing-squareheaded bolts and nuts-sketching of different types of lock nuts and locking devices and foundation bolts.

 

Forms of rivet heads-rivetted joints-lap and butt joints with single and multiple riveting in chain and zig-zag arrangements-dimensional drawing. Sketching of conventional representation of welded joints.

 

Fully dimensioned and sectional drawings of the following: -

Joints-cottered joints (spigot and socket, sleeve and cotter, gib and cotter) - knuckle joint. Shaft couplings - types of keys - plain and protected types of flanged couplings - bushed pin type flexible coupling - Oldhams coupling.

 

Pipe joints-spigot &socket joint - flanged joint - union joint –Amstrong (hydraulic) joint.

Shaft bearings and supports - journal bearing, plummer block - footstep bearing-wall bracket - ball bearings.

 

Steam engine parts - stuffing box - cross head - connecting rod - eccentric.

I.C.Engine parts-piston, connecting rod.

 

References

 

1. Machine Drawing                   -           N.D.Bhatt
2. Machine Drawing                   -           P.I.Varghese
3. Machine Drawing                   -           P.S.Gill

 

                                        

       FLUID MECHANICS

M 303                                                                                                                         2+2+0

 

Module 1

Introduction-Proprties of fluids- pressure, force, density, specific weight, compressibility, capillarity, surface tension, dynamic and kinematic viscosity-Pascal’s law-Newtonian and non-Newtonian fluids-fluid statics-measurement of pressure-variation of pressure-manometry-hydrostatic pressure on plane and curved surfaces-centre of pressure-buoyancy-floation-stability of submerged and floating bodies-metacentric height-period of oscillation.

 

Module 2

Kinematics of fluid motion-Eulerian and Lagrangian approach-classification and representation of fluid flow- path line, stream line and streak line. Basic hydrodynamics-equation for acceleration-continuity equation-rotational and irrotational flow-velocity potential and stream function-circulation and vorticity-vortex flow-energy variation across stream lines-basic field flow such as uniform flow, spiral flow, source, sink, doublet, vortex pair, flow past a cylinder with a circulation, Magnus effect-Joukowski theorem-coefficient of lift.

 

Module 3

Euler’s momentum equation-Bernoulli’s equation and its limitations-momentum and energy correction factors-pressure variation across uniform conduit and uniform bend-pressure distribution in irrotational flow and in curved boundaries-flow through orifices and mouthpieces, notches and weirs-time of emptying a tank-application of Bernoulli’s theorem-orifice meter, ventury meter, pitot tube, rotameter.

 

Module 4

Navier-Stoke’s equation-body force-Hagen-Poiseullie equation-boundary layer flow theory-velocity variation- methods of controlling-applications-diffuser-boundary layer separation –wakes, drag force, coefficient of drag, skin friction, pressure, profile and total drag-stream lined body, bluff body-drag force on a rectangular plate-drag coefficient for flow around a cylinder-lift and drag force on an aerofoil-applications of aerofoil- characteristics-work done-aerofoil flow recorder-polar diagram-simple problems.

 

Module 5

Flow of a real fluid-effect of viscosity on fluid flow-laminar and turbulent flow-boundary layer thickness-displacement, momentum and energy thickness-flow through pipes-laminar and turbulent flow in pipes-critical Reynolds number-Darcy-Weisback equation-hydraulic radius-Moody;s chart-pipes in series and parallel-siphon losses in pipes-power transmission through pipes-water hammer-equivalent pipe-open channel flow-Chezy’s equation-most economical cross section-hydraulic jump.  

 

References

 

1.       Hydraulics and Fluid Mechanics                      -               Lewitt

2. Fluid Mechanics                                  -           I.H.Shames
3. Fluid Mechanics                                  -           B.S.Massey
4. Fluid Mechanics                                  -           K.L.Kumar
5. Hydraulics and Fluid Mechanics        -           R.K.Bhansal
6. Hydraulics and Fluid Mechanics        -           Mody and Seth

 

 

METALLURGY AND MATERIAL SCIENCE

M 304                                                                                                                         3+1+0

 

Module 1

Crystallography:  Crystal structural determination, crystallographic directions and planes, miller indices, packing of atoms in solids, atomic packing factor, co- ordination number- Amorphous structure, glass transition temperature -- Effects of crystalline and amorphous structure on mechanical and optical properties -- Mechanism of crystallization: Homogeneous and heterogeneous nuclei formation, dendritic growth and grain boundary irregularity, grain size effects on mechanical & optical properties  - Changes within solid materials: Structural imperfections: Point defects - line defect:  edge, screw dislocation,  burgers vector, forest of dislocations, role of dislocation in the deformation of metals -  Surface imperfections: role of surface defect on crack propagation etc – Mode of plastic deformation: mechanism of slip & twinning,  dislocation climb & cross slip, dislocation sources, frank-read source – Diffusion in solids, fick’s laws, applications.

 

Module 2

Cold working, strain hardening, recovery, re-crystallization, grain growth, grain size and its effects on mechanical properties-- Hot working, super plasticity – Reasons for alloying, phase transformation phase rules, single phase, multi phase equilibrium diagrams, solid solutions, inter metallic compounds – Equilibrium diagram reactions: monotectic, eutectic, eutectoid, peritectic, peritectoid -- Polymorphism – Detailed discussion of Iron-Carbon diagram with microstructure changes in ferrite, austenite, cementite, graphite, pearlite, martensite, bainite.

 

Module 3

Definition and aims of heat treatment- Annealing, spheroidizing, normalizing, hardening, tempering, austermpering, martempering with microstructure changes -- Surface treatment: Diffusion methods: carburizing, nitriding, cyaniding -- Thermal methods: flame hardening, induction hardening – Deposition methods: hot dipping and coating, impregnation, metal spraying, metal cladding – Various strengthen mechanisms in metals: work hardening, grain boundary hardening, grain size reduction, solid solution hardening, dispersion hardening.

 

Module 4

Alloy steels: Effects of alloying elements on: dislocation movement, polymorphic transformation temperature, formation and stability of carbides, grain growth, displacement of the eutectoid point, retardation of the transformation rates, improvement in corrosion resistance, mechanical properties -- Nickel steels, chromium steels, etc – Effects on steels, containing molybdenum, vanadium, tungsten, cobalt, silicon, copper and lead – high speed steels - - Cast irons: classifications, gray, white, malleable and spheroidal graphite cast iron, composition, microstructure, properties and applications - Principal non ferrous alloys like aluminum, beryllium, copper, magnesium, nickel, study of composition, microstructure, properties and applications- Reference shall be made to the phase diagrams whenever necessary.

 

Module 5

Fracture:  Bonding forces and energies, cohesive strength of metals - Griffith theory –- Crack initiation, growth and crack arrest – Effect of plastic deformation on crack propagation – Factors leading to crack propagation - Cleavage, intercrystalline, brittle, ductile fracture -- Influence of slip on fracture – Effect of impact loading on ductile material and its application in forging etc.-- Fatigue: stress cycles – Effects of stress concentration, size effect, surface texture on fatigue – Corrosion and thermal fatigue – Mechanism of fatigue failure -- Creep: Creep curves – Structural change – Mechanism of creep deformation.

 

 

 

References

 

1. Avner S.H. –   Introduction to Physical Metallurgy – McGraw Hill.
2. Callister William. D. – Material Science and Engineering. – John Wiley.
3. Guy A.G. – Essentials of material science. –  McGraw Hill.
4. Dieter George E. – Mechanical Metallurgy. –  McGraw Hill.
5. Higgins R.A.   – Engineering Metallurgy part-I. –  ELBS.
6. Mans Chandra – Science of Engineering Materials Vol. 1, 2, 3. – Macmillan.  
7. Reed Hill E. Robert  – Physical Metallurgy Principles. –  East West Press.
8. Richards C.W.  –  Engineering Material Science.
9. Van Vlack  – Elements of material Science.  Addison – Wesley.
10. www. msm. com. ac. uk / online teaching.                            

 

 

THERMO DYNAMICS

M 305                                                                                                                         2+2+0

 

Module 1

Fundamental concepts-Scope and limitations of thermo dynamics- Thermo dynamic systems – different types of systems-macroscopic and microscopic analysis-continuum-Properties-State-Processes- -Thermo dynamic equilibrium-Equation of state of an ideal gas-PVT system-Real gas-Real gas relations-Compressibility factor-Law of corresponding states.

 

Module 2

Laws of thermo dynamics-Zeroth law of thermo dynamics-Thermal equilibrium-Concept of temperature –Temperature scales-Thermometry-Perfect gas temperature scales. Work and Heat-First law of thermo dynamics-concept of energy-first law for closed and open systems-specific heats- internal energy and enthalpy- Steady flow energy equation- Joule Thompson effect.

 

Module 3

Second law of thermo dynamics-Various statements and their equivalence-Reversible process and reversible cycles – Carnot cycle-Corollaries of the second law-Thermo dynamic temperature scale- Clausius inequality-Concept of entropy-Calculation of change in entropy in various thermo dynamic processes-Reversibility and irreversibility-Available and unavailable energy – Third law of thermo dynamics.

 

Module 4

Thermo dynamics relations-Combind first and second law equations-Helmholtz and Gibbs functions – Maxwell relations- equations for specific heats, internal energy, enthalpy and entropy – Clausius- Clapeyron equation – applications of thermo dynamic relations.

 

Module 5

Properties of pure substances – PVT, PT and TS diagrams,Mollier diagrams- Mixture of gases and vapours-mixture of ideal gases-Dalton’s law-Gibbs law –Thermo dynamic properties of mixture-mixtures of ideal gases and vapours-Psychrometic principles-Psychrometic chart-Applications.

References

 

1. Engineering Thermodynamics            -           P.K.Nag
2. Thermodynamics                                 -           J.F.Lee and F.W.Sears.
3. Engineering Thermodynamics            -           Spalding and Cole
4. Engineering Thermodynamics            -           M.Achuthan   
5. Thermodynamics                                 -           Keenan
6. Thermodynamics                                 -           Obert
7. Thermodynamics                                 -           Holman
8. Heat and Thermodynamics                 -           M.N.Zemansky
9. Thermodynamics                                 -           Rogers, Pearson         

 

 

STRENGTH OF MATERIALS AND STRUCTURAL ENGINEERING

M306                                                                                                 3+1+0

Module 1         

I Stress and strain - Bars of varying cross - sections – composite sections - temperature stresses. Principal stresses and planes-Mohr's circle representation of plane stress.

 

Module 2

Shear force and bending moments -Cantilever-simply supported and overhanging beams-concentrated and U. D. loadings analytical method. Relation between load. SF and BM. Theory of simple bending- bending and shear stress distribution rectangular, circular and 1-sections.

 

Module 3

Slope and deflection of simply supported beams and cantilevers- Double integration- Macaulay's Method-moment area method- conjugate beam method.

 

Module 4

Torsion of circular shafts-solid and hollow shafts- power transmitted by shafts. Close-coiled and open coiled spring- leaf spring. Thin cyliders and jhick cylinders subjected to internal and external pressures-   compound pipes -wire wound pipes-strain energy-axial loads, gradually and suddenly applied load-impact loads.

 

Module 5

Columns and sturts- short and long columns-Euler's theory-Ran kine's theory - Eccentrically Loaded columns-column with initial curvature. General description only of simple and compound steel, beams, columns and column foundation-principle of reinforced concrete. Reinforcements detailing in R. C. Slabs, beams, columns & footings (No problem expected)

 

References

 

1. Timoshenko.S.P, Strength of Materials, Part 1,D.Van Nostrand company, Inc.Newyork.
2. Popov E.P., Engineering Mechanics of solids, Prentice Hall of India, New Delhi.

3.      Punmia B.C, Strength of Materials and Mechanics of structures, Vol 1,Lakshmi    Publications, New Delhi.

4. Vazirani V.N., Ratwani N. M, Analysis of Structures, Vol 1, Khanna Publishers, New   Delhi.
5. Kazimi S.M.A., Solid Mechanics, Tata Mc Graw Hill.
6. William A Nash, Strength of Materials, Mc Graw Hill.
7. Ryder G.H., Strength of Materials, ELBS.
8. Arthur Morley, Strength of Materials, ELBS, Longman’s Green& Company.

 

 

FLUID MECHANICS LABORATORY

M 307                                                                                                                          0+0+3

 

1. Study of plumbing tools and pipe fittings
2. Study of taps, valves, gauges, pitot tubes, watermeters and current meters
3. Determination of metacentric height and radius of gyration of floating bodies.
4. Hydraulic coefficients of orifices and mouthpieces under constant head method and time of emptying method.
5. Calibration of venturimeter, orifice meter and water meter
6. Calibration of rectangular and triangular notches
7. Determination of Darcy’s and Chezy’s constant for pipe flow
8. Determination of critical velocity in pipe flow.
9. Determination of minor losses in pipe flow
10. Experimental verification of Bernoulli’s theorem
11. Determination of Chezy’s constant and Mannings number for open channel flow.
12. Determination of discharge coefficient for Plug-Sluices

 

 

STRENGTH OF MATERIALS LABORTAORY

M308                                                                                                                          0+0+3

 

1. Tests on springs (open and close coiled)
2. Bending Test on Wooden Beams using U. T. M.      '
3. Verification of Clerk. Maxwell's Law of reciprocal deflection and determination of E for steel.
4. Torsion Pendulum (M.S. wires. Aluminum wires and brass wires)
5. Torsion test using U. T. M. on M. S. Rod, torsteel and High Tensile steel.
6. Torsion Test on M. S, Road
7. Shear Test on M.S. Rod.
8. Fatigue Test
9. Impact Test (Izod and Charpy)
10. Hardness Test (Brinell, Vicker's and Rebound)
11. Strut Test.

 

Note

All tests should be done as per relevant BIS

 

MEch S1 & S2

ENGINEERING MATHEMATICS – I

CMELRPTA 101                                                                                                      3+1+0

 

Module 1        Matrix

Elementary transformation – finding inverse and rank using elementary transformation – solution of linear equations using elementary transformations – eigenvalues and eigenvectors – application of Cayley Hamiltion theorem – Diagonalization – Reduction of quadratic form into sum of squares using orthogonal transformation – nature of quadratic form.

 

Module 2        Partial Differentiation

Partial differentiation – chair rules – Eulers theorem for homogeneous functions – Taylors series for function of two variables – maxima and minima of function of two variables (proof of results not expected.)

 

Modules 3       Multiple Integrals

Double integrals in cartesian and polar co-ordinates – application in finding area and volume using double integrals – change of variables using Jacobian – triple integrals in cartesian, cylindrical and spherical co-ordinates – volume using triple integrals – simple problems.

 

Module 4        Laplace Transforms

Laplace transforms – Laplace transform of derivatives and integrals – shifting theorem – differentiation and integration of transforms – inverse transforms – application of convolution property – solution of linear differential equations with constant coefficients using Laplace transform – Laplace transform of unit step function, impulse function and periodic function

 

Module 5        Fourier Series

Dirichelt conditions – Fourier series with period 2* and 21 – Half range sine and cosine series – simple problems – rms value.

 

References

 

1. Advanced Engg. Mathematics                                   Erwin Kreyszig
2. Higher Engg. Mathematics                                         Grawal B.S.
3. Engg. Mathematics                                                     N.P.Bali
4. Laplace and Fourier Transforms                                 Goyal and Gupta
5. Advanced Mathematics for Engineers                       E.S.Sokolinokoff
6. Methods of Applied Mathematics                              F.B.Hilderbran

ENGINEERING PHYSICS

CMELRPTA 102                                                                                                      1+1+0

 

Module 1        Optical Instruments and Applications

Electron microscope – characteristics of laser – spontaneous emission – stimulated emission – population inversion-pumping pumping mechanisms – typical laser systems like Ruby lase – He-Ne laser – semi conductor laser – Applications of laser.

Module 2        Super Conductivity

Transition temperature – Meissner effect – Isotope effect – Type I and II super conductors – BCS theory (qualitative study) – High temperature super conductivity (general idea) – Joseph son effect – SQUIDS – Applications of Super conductors.

 

Module 3        Crystallography and Lattice Planes

Crystallography – space lattice – unitcell – crystal systems – Co-ordination number packing factor – lattice planes and Miller Indices – spacing between lattice planes – Bragg’s law and crystal structure analysis – Bragg’s Xray spectrometer.

 

Module 4        Magnetic Materials

Dia, Para, Ferro, Antiferro and Ferri magnetic materials – soft and hard magnetic materials – properties – applications – magnetic permeability – susceptibility – relation between them – Hysteresis.

Dielectrics: Properties – Dielectric constant – Dielectric strength – Dielectric loss – Polar and non polar molecule – Dielectric polarization – dielectric susceptibility – types – applications.

Ultra sonics – Production – piczoelectric and magnetostriction method – properties – applications.

 

Module 5        Fibre Optics and its Application

General ides of optical fibre – NA of fibre – step index and graded index fibre – multi mode and single mode fibre – applications of optical fibre – fibre optic communication system (block diagram) – Optical fibre sensors.

 

References

 

1. Engg. Physics                                                              R.K.Gaur and S.L.Gupta
2. Engg. Physics                                                              Dr. M.Arumugam
3. Solid State Physics                                                     C.Kittel
4. Engg. Materials                                                           Decker
5. Physics for Engineers                                                  B.Premlet

 

 

ENGINEERING CHEMISTRY

CMELRPTA 103                                                                                                      1+1+0

 

Module 1        Electro Chemistry

Conductance – Experimental Determination – Galvenic cells – reversible and irreversible cells – EMF and its measurement – Single electrode potential – types of electrodes – Hydrogen electrode – Calomel electrode – Electrochemical series – Nernst equation – concentration cells – polarization and over voltage – decomposition potential – Secondary cells – Lead-Acid accumulator – Fuel cells.

 

Module 2        Plastics and Elastomers

High Polymers – types of polymerization – addition, condensation and co-polymerism - thermo plastics and thermo setting plastics – preparation and properties of PVC, PVA, Poly propelene, Poly vinylidene chloride, Teflon, Terylene, Acrylics, Nylon, Bakelite – Moulding techniques – Lamination – glass reinforced plastics – Natural Rubber properties – Valcunisation of rubber – synthetic rubber – industrial uses buna rubbers, butyl rubber, silicon rubber and Thiokol.

 

Module 3        Corrosion and protective coatings

Chemical and electro chemical corrosion – Factors affecting corrosion – corrosion control – cathodic protection – inorganic coating – metallic coating – hot dipping – electroplating – metal spraying – cladding – vacuum metalistion – anodisation – vitreous coating.

 

Module 4        Domestic water supply

Requirements and methods of processing – Industrial water supply: Hard and soft waters – defects of using water containing dissolved minerals for industrial purposes – Boiler Troubles – methods of treatment.

 

Module 5

Fuels: Classification – calorific value and its determination – solid, liquid and gaseous fuels – petrol knock – octane number – cetane number – synthetic gasoline – natural gas – pollution – causes of pollution – air pollution due to automobiles – control of air pollution Lubrication and Lubricants: Mechanism of lubrication – different types of lubricants – manufacture and properties of lubricating oil – manufacture, properties and uses of semi-solid lubricants – properties and uses of solid lubricants – synthetic lubricants.

 

References

 

1. Engg. Chemistry                                                         Jain and Jain
2. Engg. Chemistry                                                         O.P.aggarwal
3. Chemistry in Engg. And Tech. (Vol. I & II)              J.C.Kuriakose and J.Rajam
4. Environmental Chemistry                                           A.K.De

 

 

ENGINEERING MECHANICS

CMELRPTA 104                                                                                                      2+2+0

 

Module 1

Forces in Plane – Vector addition of concurrent forces in plane – problems involving the equilibrium of particles – free body diagrams.

Definition of rigid body – moment of a force about an axis – varignon’s theorem of moment – couple – properties of force couples – resolution of a given force in to force acting at a given point and a couple – reduction of a system of coplanar forces acting on a rigid body into a single force and a single couple – equilibrium of a rigid body under coplanar forces – types of supports – reaction at supports of beams and frames – graphical method.

 

Module 2

Centre of gravity, centroid of wires, areas, volumes – moment of inertia of lamina and radius of gyration – parallel axis theorem and its applications – mass moment of inertia of thin circular and rectangular plates – mass moment of inertia of solid rectangular prisms, cylinders and cones.

Friction-angle of friction and coefficient of friction – laws of dry friction-ladder friction – wedge friction.

 

Module 3

Simple trusses – analysis of trusses by methods of joints and sections – graphical- method. Simple stress and strain – bars of uniform cross section – shear stress – modulus of rigidity – bulk modulus – Poisson’s ratio – Relation between different modulii.

 

Module 4

Dynamics: Kinematics (Velocity – acceleration) rectilinear motion of a particle under variable acceleration

Relative velocity – simple cases only. Circular motion with uniform acceleration – relation between angular and rectilinear motion – normal and tangential acceleration – motion of rotation and translation – instantaneous centre of zero velocity (elementary treatment only)

 

Module 5

Kinetics of particles – Newton’s Laws of motion of translation – work, energy and power – principles of momentum and impulse. Motion of rotation – couple – torque – Newtons laws of motion of rotation – differential equations of rotation – angular impulse and torque – conservation of angular momentum – work-done and power by torque and couple.

 

References

 

1. Shames I.H., Engineering Mechanics, Prentice hall of India
2. S.Timoshinko, Engineering Mechanics, McGraw Hill
3. Ramachandra, Engineering Mechanics, Standard Publishers and Distributors
4. S. Rajasekararn & G.Sankarasubramanian, Engineering Mechanics, Vikas Publishing Co.
5. Beer F.P. & Johnston E.R., Mechanics for Engineers – Statics and Dynamics, McGrwa Hill
6. Meriam J.L. & Kraige L.G., Engineering Mechanics, John Wiley

 

 

ENGINEERING GRAPHICS

CMELRPTA 105                                                                                                      1+0+3

 

Module 1

Introduction of Engineering Graphics: drawing instruments and their uses – familiarization with current, Indian standard code of practice for general engineering drawing.

Scales – plain scale – vernier scal – diagonal scale.

Conic sections – construction of ellipse, parabola, hyoperbola and rectangular hyperbola. Construction of cycloids, involute, archimedian spiral and logarithmic spiral – drawing tangents and normals to these curves.

 

Module 2

Introduction to orthographic projections: planes of projection – projection of points in different quadrants. Orthographic projection of straight lines parallel to one plane and inclined to the other plane – straight lines inclined to both the planes – true length and inclination of lines with reference planes – traces of lines – projection of planes.

 

Module 3

Projection of polyhedra and solids of revolution – cubes, prisms, cones, cylinders, pyramids, tetrahedron, octahedron and sphere – frustums.

Projection of solids with axis parallel to one plane and parallel, perpendicular of inclined to the other plane - projection of solids on auxiliary planes.

Sections of solids by planes inclined to horizontal or vertical planes.

 

Module 4

Development of surfaces of cubes, prisms, cylinders, pyramids and cones – development of funnels and pipe elbows.

Introduction to isometric projection – isometric scale – isometric views – isometric projections of prism, pyramids, cylinders, cones and spheres.

 

Module 5

Introduction to prespective projections: prespective views of prisms.

Intersection of surfaces – methods of determining lines of intersection – intersection of prism, cylinder in cylinder.

 

References

 

1. Elementary Engineering Drawing – N.D.Bhatt.
2. Geometrical Drawing – P.S.Gill.
3. Geometrical Drawing – V.Lakshmi Narayanan & M.C.Marhur
4. Engineering Graphics – P.I.Varghese & K.C.John

 

 

 

BASIC CIVIL ENGINEERING

CMELRPTA 106                                                                                                      1+1+0

Module 1

Materials: Cement – Types of Portland cement – grades of cement and its uses – Steel – types of steel for reinforcement bars – steel structural sections. Aggregates: sources, types & sizes – requirements of good aggregates. Mortar preparation – Concrete – grades of concrete as per IS Code – water cement ratio, workability, batching, mixing, compaction and curing.

 

Module 2

Timber – Varieties found in Kerala – effects, seasoning, decay preservation – specification for use in construction.

Bricks: varieties and strength – tests on bricks.

Roofing: Steel truss. A. C. and GI sheets roofing for industrial buildings – sketches only – reinforced concrete roofs. (Design details not required)

Module 3

Building Components: Foundation: Bearing capacity and settlement - definitions - Isolated footing - combined footing - rafts, piles and well foundation - machine foundation - special situations where those foundations are suitable. (Brief description only).

Superstructure: Walls - brick masonry - English bond - Flemish bond - Stone masonry-Random Rubble masonry.

 

Module 4

Surveying: Classifications - based on object of survey - based on instruments used. Chain Surveying: Instruments - field work - field book - procedure and booking. Compass Surveying: Prismatic compass – Basic principles - Bearing of survey lines & local attraction.

Leveling: field work - reduction of levels - Height of instrument method.

 

Module 5

Site plan preparation for buildings (Sketch only) – Kerala Municipal Building Rules – 1999-general provisions regarding site and building requirements – Exterior and interior open air spaces – coverage and floor area ratio – provisions of the size, height and ventilation of rooms (residential buildings) disposal of domestic waste water through septic tank and soak pit. Classification of roads and components of roads – basics of traffic engineering – Road marking – Traffic Islands, signaling – (brief description only)

 

References

 

1. Jha and Sinha, Construction and foundation Engineering, Khanna Publishers
2. Punmia B. C., Surveying Vol –I, Laxmi Publications
3. Rangwala, Building Materials, Charotar Book stall
4. K. Khanna & C. E. G. Justo, Highway Engineering, Khanna Publishers
5. Nevile, Properties of Concrete, Mc Graw Hill
6. Kerala Municipal Rules – 1999

 

 

 

BASIC MECHANICAL ENGINEERING

CMELRPTA 107                                                                                                      1-1-0

 

Module 1

Thermodynamics: Basic concepts and definitions, Gas laws, specificheat – Universal gas constant – Isothermal, adiabatic and polytropic processes, work done and heat transferred: Carnot, Otto & Diesel Cycles – air standard efficientcy.

 

Module 2

I.C. Engines: Working of two stroke and four stroke engines – petrol and diesel engines – fuel systems, injector and carburetor – ignition system – lubrication and cooling systems.

 

Refrigeration and air-conditioning: methods of refrigeration – vapour compression and vapour absorption systems – block diagrams and general descriptions – winter and summer air conditioning systems – general description.

 

Module 3

Power transmission: Methods of transmission – belt, rope, chain and gear drives. Fields of application, calculation of length of belt – expression for ratio of belt tension. Velocity ratio and slip – simple problems – velocity ratio and choice of gear wheels – simple problems.

 

Module 4

Power plants: General layout of hydraulic, diesel, thermal and nuclear power plants, nonconventional energy sources, general description only.

Types of hydraulic turbines – selection of turbines depending upon head, discharge and specific speed – steam turbines – reaction and impulse turbines – compounding methods.

 

Module 5

Simple description of general purpose machines like lathe, shaping machines, drilling machine, milling machine and grinding machine.

Manufacturing process: moulding and casting, forging, rolling, welding – arc welding – gas welding (simple descriptions only)

 

References

 

1. Elements of Hear Engines                                                      R.C.Patel
2. Thermal Engineering                                                               P.L.Bellany
3. Elements of Mechanical Engineering                                     S.Domkundwar
4. Power Plant Engineering                                                        Nagpal

 

 

 

BASIC ELECTRICAL ENGINEERING

CMELRPTA 108                                                                                                      1+1

 

Module 1

S I unit of Current, Voltage, Power and Energy, Ohm’s Law – Temperature Coefficient of Resistance – Kirchhoff’s Laws – Solution of Series-Parallel D.C. circuits – star Delta Transformation – Magnetic Circuits – Flux-Flux density – m m f – Magnetising Force – Reluctance –Permeability –Comparison of Electric and Magnetic Circuits-Force experienced by a current carrying conductor in Magnetic Field – Electromagnetic Induction – Farady’s Laws – Lenz’s Law – Statically Induced e m f – dynamically induced e.m.f. – Self and mutual Induction – Coefficient of coupling.

 

Module 2

Alternating Quantity – Generation of Sinusoidal Voltage – Frequency – R.M.S. and Average Value – Form Factor – Peak Factor – Phasor Representation – Phase and Phase Difference – Solution of Series R L C circuits – Power and p.f. – Operator ‘j’ – Admittance – solution of series and parallel R L C circuits.

Module 3

Resonance – Series and Parallel – Q factor – Selectivity and Bandwidth – Three phase system – Representation – Star and Delta Systems – Phase sequence – Balanced Delta connected System – Balanced Star Connected system – Phasor representations – Simple Problems.

 

Module 4

D.C. Machine – Principle of Operations of a D.C. generator – Constructional Details – e.m.f. equation – Types of Generators.

D.C. Motor – Principle of Operations – Back e.m.f. and its Significance – Necessity of Starters – Types of motors and Applications.

Transformer – Principle of Operations – e.m.f. equation – Ideal Transformer – Constructional Details – Losses and Efficiency – Use of Power, Distribution and Instrument Transformers.

Induction Motor – Principle of Operation of 3 phase Induction Motor – Cage and Slip ring – Slip – Applications – types of Single Phase Induction Motors – Applications.

Alternator – Principle of Operations – Types

 

Module 5

Requirements of Good Lighting System – Working Principle of Incandescent – Fluorescent and Mercury Vapour Lamps – Estimate the quantity of Materials required and Draw the wiring layout of (a) Residential Building with One or Two rooms. (b) Workshop with one Induction Motor.

Generation – Types of Generation – Hydroelectric, Thermal, Nuclear and Non Conventional – Transmission – Need for high Voltage Transmission – Transmission Voltages in Kerala – Distribution – Underground Versus Overhead – Feeder – Distributor – Service Mains – Conductor materials – One line Diagram of a typical Power System.

 

References

 

1. Electrical Technology                                                 H.Cotton
2. Electrical Technology                                                 Hughese
3. Electrical Circuits                                                        Edminister J.A.
4. Electrical Design, Estimating & Costing                    S.K.Bhattacharya, K.B.Raina
5. A Course in Electrical Power                                      M.L.Soni & P.V.Gupta

 

 

BASIC ELECTRONICS ENGINEERING

CMELRPTA109                                                                                                       1+1+0

 

Module 1

Basic circuit components

Passive components: Resistors - Types of resistors - Fixed Resistors - Variable resistors, resistor tolerance, colour coding, power rating of resistors.

Capacitors: Types of capacitors: Fixed capacitors, Mica, Paper, Ceramic and Electrolytic capacitors, Variable capacitors, voltage rating of capacitors.

Inductors: Fixed and Variable inductors.

Semiconductor Components: Definition of insulators, semiconductors and conductors types:  Intrinsic and extrinsic, p and n type materials, pn junction, Classifications: Germanium, Silicon, Zener, LEDs (working principle only).

Transistors: npn, pnp, working principle.

Integrated circuits: Advantages, classification, Linear and Digital ICs.

 

Module 2

Basic electronic circuits

Diode circuits:  Forward and reverse characteristics, Rectifiers: Half wave, full wave, Bridge circuits, DC Power supply: Capacitor filter, Zener regulator, eliminator circuit.

Transistor circuits: CB, CE, CC characteristics, concept of a and b, Amplifiers, common emitter RC coupled amplifier, Frequency response, Bandwidth.

 

Module 3

Basic communication engineering

Communication: Frequency bands: RF, VHF, UHF. Modulation – need for modulation, basic principles of amplitude, frequency, phase and pulse modulation.

Radio engineering: block schematic of AM radio receiver and transmitter  - function of each block.

Television Engineering: Basic principles of TV – CRT - scanning - simplified block schematic of a monochrome TV receiver.

Wireless communication: mobile, microwave and satellite (basic principles and block schematic only).       

                              

Module 4

Basic instrumentation and Digital electronics

Electronic instrumentation: Transducers: Basic principles of Strain guage, LVDT, Thermistor, Photodiode, microphones, Loud speaker.

Measurements: Multimeter and X-Y recorder.

Digital electronics: number systems - binary, octal and hexadecimal - conversion - representation of negative numbers using 1’s compliment and 2’s compliment method. Logic gates – truth table.

 

Module 5 

Basic Computer engineering

Digital computer: Block schematic, function of each block: CPU, Memory, I/O devices.

Memory: RAM, ROM, Magnetic Tape, Floppy Discs, Hard Discs and CD.

Programming: Machine language, Assembly language, High level language, System Software, Operating systems, Compilers and Assemblers.

 

References          

                               

1. Basic Electronics: Bernad Grob, Mc Graw Hill Publication
2. Electronic Devices: Floyd, Pearson Education
3. Electronic Devices & Circuits Theory: Boyelstad & Naschelsky, Prentice Hall.
4. Electronic Principles: Malvino, Mc Graw Hill Publication
5. Digital Principles: Malvino & Leach, Mc Graw Hill Publication
6. Integrated Electronics: Millman & Halkias, Mc Graw Hill Publication
7. Electronic Instrumentation: H.S Kalsi, Mc Graw Hill Publication
8. Systems Programming: J.J. Donavan, Mc Graw Hill Publication

 

WORKSHOP

 

A-MECHANICAL ENGINEERING WORKSHOP

CMELRPTA 110                                                                                                      0+0+6

 

Carpentry        Planing – cutting – chiseling, marking – sawing – cross and tee joints – dovetail joints – Engineering Application, Seasoning, Preservation – Plywood and plyboards.

 

Fitting             Practice in chipping – filing – cutting – male and female joints

 

Smithy             Forging of square and hexagonal prisms, hexagonal bolt – Forging Principles, materials and different operations.

 

Foundry          Preparation of Simple sand moulds – moulding sand characteristics, materials, gate, runner, riser, core, chaplets and casting defects. Demonstration & study of machine tool - lathe, drilling, boring, soltting shaping and milling machines, grinding, CNC and machining centers.

 

 

 

 

 

B-CIVIL ENGINEERING WORKSHOP

CMELRPTA 110                                                                                                                 

 

Masonry   English bond – flemish bond –wall –junction – one brick – one and a half brick - two brick two and a half brick—Arch setting.

 

Plumbing   Study of water supply and sanitary fittings—water supply pipe fitting –tap connections - sanitary fittings - urinal, wash basin—closet (European and Indian), manholes.

 

Surveying   Study of surveying instruments – chain – compass – plane table – leveling – theodolite—minor instruments.

 

 

C – ELECTRICAL & ELECTRONICS ENGINEERING WORKSHOP

CMELRPTA 110     

                                                                                                           

1. Wiring of one lamp and one plug, control of two lamps in series and in parallel.
2. Stair case Wiring.
3. Godown Wiring.
4. Hospital Wiring.
5. Wiring of fluorescent, C F L and mercury vapour lamp.
6. Wiring of Distribution Board including Power Plug using Isolator, M C B and E L C B.
7. Insulation megger – earth megger, measurement of Insulation resistance and earth resistance.
8. Identification of electronic components and soldering practice.
9. Soldering and testing of a H W and FW rectifier with capacitor filter in a P C B.
10. Soldering of typical I C circuit.

 

3 periods will be in Mechanical Engineering Workshop and 3 periods in Civil Engineering Workshop & Electrical Engineering Workshop alternately.