Tuesday, December 25, 2007

S4 MECHANICAL SYLLABUS

ENGINEERING MATHEMATICS - III
CMELRPTA 401 3+1+0

Module 1
Ordinary Differential Equations: Linear Differential equations with constant coefficents - Finding P.I. by the method of variation of parameters – Cauchys equations- Linear Simultaneous eqns- simple applications in engineering problems.

Module 2
Partial Differential Equations: Formation by eliminating arbitrary constants and arbitary Functions - solution of Lagrange Linear Equations –Charpits Method – solution of homogeneous linear partial differential equation with constant coefficients – solution of one dimensional wave equation and heat equation using method of separation of variables – Fourier solution of one dimensional wave equation.

Module 3
Fourier Transforms: Statement of Fourier Integral Theorems – Fourier Transforms – Fourier Sine & Cosine transforms - inverse transforms - transforms of derivatives – Convolution Theorem (no proof) – Parsevals Identity - simple problems.

Module 4
Probability and statistics: Fundamentals of probability, Bayes theorem - Binomial law of probability - The binomial distribution, its mean and variance - poisson distribution as a limiting case of binomial distribution - its mean and variance - fitting of binomial & poisson distributions - normal distribution - properties of normal curve - standard normal curve - simple problems in binomial, poisson and normal distributions.

Module 5
Population & Samples: Sampling distribution of mean (s known) –Sampling distribution of variance, F and Chi square test – Level of significance - Type 1 and Type 2 errors – Test of hypothesis – Test of significance for large samples – Test of significance for single proportion, difference of proportions, single mean and difference of means (proof of theorems not expected)

References
Higher Engineering Mathematics - B.S. Grewal, Khanna Publishers
Engineering Mathematics Vol. II -3rd year Part A & B - M.K. Venkataraman, National Publishing Company
Elements of Partial Differential Equations - Ian N.Sneddon, McGrawhill International Edn.
Miller and Fread’s Probability and statistics for engineers – Richard A Johnson, Pearson Education Asia / PHI
A text book of Engineering Mathematics (Volume II) – Bali and Iyengar, Laxmi Publications Ltd.
Advanced Engg. Mathematics Erwin Kreyszig, Wiley Eastern Ltd.
Probability and statistical inferences – Hogg and Tanis, Pearson Education Asia
THEORY OF MACHINES - I
M 402 2+1+0

Module 1
Kinematics: Links, pairs, chain, mechanisms, machines, inversion of single and double slider crank, quadric cycle chains-kinematic diagram-expression for degree of freedom- equivalent curves- coupler curves-spatial mechanisms-manipulations- velocity analysis by instantaneous center method-Kennedy’s theorem- velocity and acceleration of various mechanisms by analytical and graphical method-Coriolis component of acceleration-analytical treatment of slider crank and four bar chain-Klein’s construction-locating instantaneous center-velocity and acceleration image.

Module 2
Linkage Synthesis: Precision points-graphical synthesis of slider crank mechanisms, rocker mechanisms, four bar linkage-overlay method-number synthesis-basic features of mechanical synthesis-graphic and analytical methods of dimensional synthesis-kinematic synthesis-approximate and exact synthesis.

Module 3
Mechanisms: Pantograph, approximate straight line, straightline mechanisms- engine indicator mechanisms-steering gear-Davis and Ackerman type-quick return- Whitworth, slider crank mechanism-Hooke’s joint, Scott-Russel, Watt and grasshopper mechanisms.

Module 4
Brakes and clutches: Shoe, double block, long shoe, internally expanding shoe, band, band & block, hydraulic, mechanical, air and powerbrakes-braking of avehicle-cone, single plate, multiple, centrifugal clutches.
Dynamometers: Pony brake. rope brake, epicyclic train, belt transmission and torsion dynamometers-effort and power.

Module 5
Gears: Condition for constant velocity ratio-law of gearing-conjugate teeth action-tooth forms-standard modules and tooth proportions-contact ratio-interference-spur, helical, bevel, spiral, and hypoid gears- gear forces.

References

Theory of Machines - Thomas Bevan
Mechanisms and Machine Theory - Ambedkar
Theory of Mechanisms and Machines - A.Ghosh & A.K.Mallick
Theory of Machines - V.P.Singh, Pearson
Theory of Machines - P.L.Bellaney
Theory of Machines and Mechanisms - J.E.Shigley & J.J.Uicker





HYDRAULIC MACHINES
M 403 2+2+0

Module 1
Dynamic Action of Fluid: Momentum and angular momentum equation applied to control volume – impact of jet – flow of an incompressible fluid over fixed and moving vanes – workdone and efficiency – reaction principle – propulsion of ships. Dimensional analysis – Rayleigh’ s method – Buckingham’s Pi theorem – nondiamesional parameters in fluid mechanics and fluid machinery – principle of similitude, geometric and dynamic similarity – model studies.

Module 2
Euler`s turbine equation: velocity triangles – impulse and reaction turbines – Pelton wheel, Francis turbine Kaplan turbine – construction features and performance characteristics – non dimensional parameters for comparative study of turbine performance – unit speed, unit power, unit quantity, run away speed, geometric similarity – model laws – effect of specific speed on speed, runner size, flow type etc. – theory of draft tube – speed regulation of turbines – selection, type and speed of turbines.

Module 3
Pumping machinery: General classification –Dynamic pumps - working of centrifugal pumps, priming, vapour pressure, wear rings, hydraulic balancing, Classification of impellers, impeller shapes – types of casings – materials for pumps & medical use – principle of operation Euler`s head equation – velocity diagrams – losses in pumps – circulatory flow – pre rotation – efficiency – non dimensional parameters – specific speed – effect of change of diameters & speed - performance pump characteristics: main, operating, ISO efficiency characteristics curves – surging – NPSH – selection of pumps from performance curves, suction & delivery pipe sizing, motor rating - equivalent length of pipe, simple head loss calculation in pipe lines & fittings – Principle of similitude – axial trust – multistage pumps – propeller pumps – pump in parallel & series operation.

Module 4
Theory, efficiency, performance curves & application of self-priming pump, jet pump, airlift pump, slurry pump & hydraulic ram - Positive displacement pumps: reciprocating pump, effect of vapour pressure on lifting of liquid – indicator diagram – acceleration head – effect of friction – use of air vessels – work saved – Slip - efficiency – pump characteristics – applications. Condition monitoring of pumps: temperature on bearing, vibration in equipmets, noises – vibration measurement and fault diagnosis. Cavitation in fluid machines – installations susceptible to cavitation – collapse of bubble theory – Thoma`s prameter – factors affecting cavitation in pumps and turbines – Abrasive wear of pumps - prevention of cavitation damage.

Module 5
Positive displacement Rotary pumps: Gear, screw, vane, root pumps – rotary axial & rotary radial piston pumps - theory, efficiency, performance curves, effect of surface texture & materials of construction on performance – applications. Hydraulic accumulator, intensifier & lift – principle of operation- Hydraulic symbols, hydraulic cranes, hydraulic capstan, hydraulic press.

References

1. Abdulla Sheriff - Hydraulic machines, standard publishers.
Govinda Rao N. S. - Fluid flows machines, TMH.
Jagadishlal. - Hydraulic machines, metropolitan publishers.
Pippinger. - Industrial hydraulics.
5. Centrifugal and axial flow pumps - Wiley & sons. – Stepanoff John A. J.
Lewitt E. H. - Hydraulic & Fluid Mechanics


MACHINE TOOLS
M 404 2+1+0

Module 1
Types and classification of lathes: Specifications-method of holding work and tool, accessories, attachments-operations and types of tools for each operation-tool room lathe- duplicating lathe-Capstan and Turret lathe-horizontal and vertical automatics-single spindle and multi-spindle screw machines-manufacture of cylindrical bolts, stepped bolts, shafts-profile turning. Drilling and boring machines:- types and specifications-description of tool and work holding devices-boring tools and reamers-drilling of holes, countersinking and counterboring operations-boring of cross holes-manufacture of bushes.

Module 2
Shaping, planing and slotting machines: Types and specifications-quick return motion-hydraulic feed and its advantages-automatic feed-speed, feed and depth of cut-work holding devices-types of operation and examples of work done-shaping of V-blocks, planing of guide gibs, slotting of keyways. Broaching machines:-types-cutter-processes-internal and external broaching-broaching of spline-bores. Milling machines: - types, specifications, operations and milling cutters-Indexing head and its use-method of indexing-dividing head-milling of plane surface, keyways, slides and hexagons.

Module 3
Grinding, Horning and Lapping: Types and methods of operations-tool and cutter specifications-surface finish obtainable-method of evaluation of surface finish-roughness-super finishing-burnishing-ultrasonic impact grinding-grinding of shafts and bores-methods of gear cutting-form cutters-gear generating machines-gear hobbing -straight, spiral, worm, helical, and bevel gear cutting-gear finishing and gear shaping operations-gear errors.

Module 4
Numerical Control (NC) machine tools: Elements, classification (basics only)-NC tooling-design of NC/CNC tooling-automated chip less process.
Automatic machines: Semiautomatic multi tool central lathes-automatic cutting of machines- Swiss type automatic screw machines, multi spindle automatic special purpose machine tools- program controlled machine tools-copying machines.

Module 5
Computers in production technology: CIM-computer simulation of manufacturing process and systems-cellular manufacturing-FMS - just in time production-management of toolroom-machining centers-automatic tool changing-manufacture of ICs, PCBs, Ceramic circuit boards, and advanced PCBs-expert systems in manufacturing-unmanned machining- trends in automated factory.

References

Production Technology - R.K.Jain
All about Machine tools - Gerling
Workshop Technology: Vol. 1,2 and 3 - W.A.J.Chapman
Production Technology - H.M.T.
Machine Tools: Vol. 1, 2, 3 and 4 -Acherkan
Manufacturing Science & Technology, Vol. 2 -Suresh Daleela
Manufacturing Engineering &Technology - S.Kalpakjian, S.A.Schmidt


ELECTRICAL TECHNOLOGY
M 405 3+1+0
Module 1
Transformer - emf equation: No load current - equivalent circuit - regulation - efficiency. Determination of regulation and efficiency from O.C. and S.C. tests - cooling of transformers.
D.C. motors: Back emf - speed and torque equation - starting and speed control - testing of D.C. motors - brake test - swinburn's test.
Module 2
Alternators - construction details: Type - emf equation (winding factor need not be derived) - synchronous impedance - regulation by emf and mmf method. Synchronous Motors: Principle of operation - method of starting.
Three phase induction motor: Production of rotating magnetic field equivalent circuit-torque equation - torque slip characteristics - no load and blocked rotor tests - starting and speed control.
Single phase motor: Double revolving theory - capacitor start capacitor run induction motors – applications.

Module 3
Industrial drives - electric drives - advantages - individual drive and group drive - factors affecting choice of motor - mechanical characteristics of A.C. and D.C. motors - motors for particular applications like textile mill, steel mill, paper mill, mine, hoists, crane etc. - size and rating of motor – motor Selection for intermittent loads. Electric traction - Different systems of traction - comparison – track electrification - different systems - traction motor characteristics - electric braking - plugging -Dynamic and regenerative braking.

Module 4
Basic principle of transistor amplifier - R.C. coupled amplifier- F.B. amplifier - Basic principle. Oscillators - basic principle - typical R.C. and L.C. oscillator circuits (no analysis) –Astable multivibratior Pulse circuits - wave shaping circuits like simple clipping, clamping R.C. differentiating, integrating circuits - simple sweep generator. CRO - basic principle of cathode ray tube - deflection methods – block schematic of CRO - measurement of current, voltage and frequency.

Module 5
Power semiconductor devices: Power diodes - SCR's - Principle of operation of SCR's - two transistor analogy of SCR - characteristics - SCR rating (basic principle only). High frequency heating - induction and dielectric heating – resistance heating Resistance welding - block schematic of resistance welding scheme

References
Perfomance and design of D C machines – Clayton
Perfomance and design of A C machines – M G Say
Electrical Traction – Dover A T
Industrial and Power electronics – Harish C Rai
Electronic principles S K Sahdev


MACHINE DRAWING - II
M 406 0+0+4

Assembly and working drawings of the following: -

Valves: - Feed checkvalve, stop valve, spring loaded safety valve, Ramsbottom safety valve, lever safety valve, deadweight safety valve, blow off cock.
Pulleys: - Fast and loose pulleys, speed cone or stepped pulley.
Clutches: - Single plate clutch, cone friction clutch.
4. Machine elements: - lathe spindle, screw jack, machine vice, lathe tool post.

References

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


HYDRAULIC MACHINES LABORATORY
M 407 0+0+4

Study of hydraulic turbines – Pelton wheel, Francis & Kaplan turbines – force due to impact or jet on vanes – velocity triangles – specific speed – types of casings – governing – cavitation – draft tubes - performance characteristics – applications.

Study of dynamic pumps: Centrifugal pump - velocity triangles – priming - vapour pressure, wear rings, hydraulic balancing - casings – impellers – specific speed – cavitation - selection of pumps from performance curves, suction & delivery pipe sizing, motor rating, equivalent length of pipe, crane co. table, simple head loss calculation in pipe lines - applications. Theory, efficiency, performance curves & application of self-priming pump, jet pump, airlift pumps slurry pump & hydraulic ram.

Condition monitoring of pumps: temperature on bearing, vibration in equipmets, noises – vibration measurement and fault diagnosis. Study of positive displacement pumps – Reciprocating pumps – single & multi cylinder – Air vessel – indicator diagram - - performance characteristics – applications. Positive displacement Rotary pumps: Gear, screw, vane, root pumps – rotary axial & rotary radial piston pumps - theory, efficiency, performance curves, effect of surface texture & materials of construction on performance - applications.

Experiments
Performance characteristic tests on Pelton wheel (Load test & best speed).
Performance characteristic tests on Francis turbine (Load test & best gate opening).
Performance characteristic tests on Kaplan turbine (Load test & best gate, vane angle opening).
Performance characteristic tests on single stage, multi stage centrifugal pumps at constant speed & at variable speed. Actual & predicted curves.
Performance characteristic tests on self-priming pump, Jet pump, Airlift pump and deep well pump
Performance characteristic tests on axial flow pump.
Performance characteristic tests on Hydraulic ram.
Vibration measurement and computer aided fault diagnosis of a centrifugal / self-priming / Gear / Reciprocating pump.
Performance characteristic tests on reciprocating pump at constant speed.
Performance characteristic tests on Gear pump.
Performance characteristic tests on Screw pump.

References

1. Abdulla Sheriff. - Hydraulic machines, standard publishers.
Govinda Rao. N. S - Fluid flows machines, TMH.
Jagadishlal - Hydraulic machines, metropolitan publishers.
Pippinger - Industrial hydraulics.
Stepanoff john A.J. -Centrifugal and axial flow pumps, Wiley & sons.









ELECTRICAL & ELECTRONICS LABORATORY

M408 0+0+4
ELECTRICAL MACHINES LAB

Efficiency and regulation of single phase transformer by direct loading.
Equivalent circuit of transformer from open and short circuit test-calculation of efficiency and regulation at various loads and power factors.
Regulation of alternator by emf and mmf methods.
Starting of cage induction motor using star-delta switch - performance characteristics.
No load and blocked rotor test on slip ring induction motor - equivalent circuit - torque-slip characteristics.
a) O.C.C. of D. C. shunt generator - critical resistance.-critical speed.
b) External and internal characteristics of D C shunt generator.
Load test on D. C. series motor.
Swinbume's test -Pre determination of efficiency.
Study of single phase induction motor, determination of performance characteristics.


ELECTRONICS LAB

Diode characteristics
Transistor characteristics- C.B, C.E configurations
Pulse circuits
Rectifier circuits
Sweep generator
R C Coupled amplifier
R C Oscillator, L C OscillatorAstable multivibrator

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