B.Tech. (Fourth semester) Mechanical engineering
ME-202 E PRODUCTION TECHNOLOGY
L T P Sessional : 50 Marks
3 1 - Theory : 100 Marks
Total : 150 Marks
Duration of
Exam : 3 Hrs
UNIT I
Kinematics of Machine Tools.
Drives in machine tools for rotation movement, stepped and step
less drives, mechanical and hydraulic drives, Individual and group drives,
selection of extreme values of spindle speed on a lathe, principle of stepped
regulation, Layout of spindle speeds. A.P., G.P. and Logarithmic progressions,
Kinematics advantage of G. P. for gear box design, selection of common ratio,
Number of steps in a given speed range, design of all geared head stock.
UNIT II
Manufacturing Methods
Characteristics of turret Lathes, turret-indexing mechanism,
tooling equipment for turrets, tool Layout or turrets. Classification of gear
production methods, gear generation, gear hobbling gear shaping, gear finishing
methods; shaving, burnishing grinding, Lapping gear shaping, gear finishing
methods; shaving, burnishing grinding, honing.
UNIT III
Unconventional Machining Processes & Press Working Tools
Need for unconventional processes, Ultrasonic machining,
electrochemical machining, electrochemical grinding, Laser beam machining their
process parameters, principle of metal removal, applications advantages and
limitations.
Introduction, classifications of presses and dies, hear, action
in die cutting operations, center of pressure, mathematical calculation of
center of pressure, clearances, cutting forces, punch dimensioning.
UNIT IV
Machine Tools Vibration and Dynamometry
Introduction, effects of vibration no-machine tools, cutting
conditions, work piece and tools life, source of vibration, machine tool
chatter, Need for measuring forces, basic requirements of measuring techniques,
design requirements of dynamometers, 3-divisional turning dynamometer and its
calibration, drill dynamometers.
Suggested reading:
1.
Manufacturing science:
Ghosh and Malik, E.W. Press
2.
Principles of metal cutting:
Sen and Bhattacharya, New Central
Book.
3. Metal cutting
principles:
Shaw, MIT Press Cambridge
4.
Manufacturing analysis:
Cook, Adisson-Wesley
5.
Modern machining processes:
Pandey and Shan, Tata McGraw Hill
Publications
Note: In the
semester examination, the examiner will set 8 questions, at least Two question
from each unit, and students will be required to attempt only 5 questions one
from each unit.
B.Tech. (Fourth
semester) Mechanical engineering
ME- 204
E MATERIAL SCIENCE
L T P Sessional : 50 Marks
4 - - Theory : 100 Mark Total : 150 Marks
Duration of Exam : 3 Hrs
Unit I
Crystallography: Review of crystal
structure, space lattice, crystal planes and crystal directions, co-ordination
number, number of atoms per unit cell, atomic packing factor, Numericals
related to crystallograpImperfection in metal crystals: Crystal imperfections
and their classifications, point defects, line defects, edge & screw
dislocations, surface defects, volume defects & effects of imperfections on
metal properties.
Unit II
Solid solutions and
phase diagram: Introduction to single and multiphase solid solutions and types
of solid solutions, importance and objectives of phase diagram, systems, phase
and structural constituents, cooling curves, unary & binary phase diagrams,
Gibbs’s phase rule, Lever rule, eutectic and eutectoid systems, peritectic and
peritectoid systems, iron carbon equilibrium diagram and TTT diagram. Heat
Treatment: Principles, purpose, classification of heat treatment processes,
annealing, normalizing, stress relieving, hardening, tempering, carburizing,
nitriding, cyaniding, flame and induction hardening. Allotropic transformation
of iron and steel, Properties of austenite, ferrite, pearlite, martensite.
UNIT III
Deformation of Metal: Elastic and plastic deformation, mechanism
of plastic deformation, twinning, conventional and true stress strain curves
for polycrystalline materials, yield point phenomena, strain ageing, work
hardening, Bauschinger effect, season cracking. Recovery, re-crystallization
and grain growth. Failures of metals: Failure analysis, fracture, process of
fracture, types of fracture, fatigue, characteristics of fatigue, fatigue
limit, mechanism of fatigue, factors affecting fatigue.
UNIT IV
Creep & Corrosion: Definition and
concept, creep curve, mechanism of creep, impact of time and temperature on
creep, creep fracture, creep testing and prevention against creep. Corrosion:
Mechanism and effect of corrosion, prevention of corrosion. Plastic, Composite
and Ceramics: Polymers, formation of polymers, polymer structure and
crystallinity, polymers to plastics types, reinforced particles-strengthened
and dispersion strengthened composites. Ceramic materials: Types of ceramics,
properties of ceramic, ceramic forming techniques, mechanical behavior of
ceramic.
Text Books:
1. Elements of Material Science and
Engineering: VanVlack, Wesley Pub. Comp.
2. Material Science -
Narula, Narula and Gupta. New Age Publishers
Reference Books:
1.Material Science & Engineering
–V. Raghvan, Prentice Hall of India Pvt. Ltd, New Delhi
2. A Text Book of Material Science
& Metallurgy – O.P. Khanna, Dhanpat Rai & Sons
3. Material Science
and Engineering-An Introduction - Callister; W.D., John Wiley & Sons., Delhi.
4. Engineering Materials: Kenneth G.
Budinski, Prentice Hall of India, New Delhi
Note: In the semester examination,
the examiner will set 8 questions, at least Two question from each unit, and
students will be required to attempt only 5 questions one from each unit.
B.Tech. (Fourth semester) Mechanical engineering
ME- 206 E STRENGTH OF MATERIALS-II
Sessional : 50Marks
L T P Theory :
100 Marks
3 1 - Total :
150 Marks
Duration
of Exam:
3Hrs.
Unit I
Strain Energy & Impact
Loading: Definitions, expressions for strain energy stored in a body when load
is applied (i) gradually, (ii) suddenly and (iii) with impact, strain energy of
beams in bending, beam deflections, strain energy of shafts in twisting, energy
methods in determining spring deflection, Castigliano’s & Maxwell’s
theorems, Numerical. Theories of Elastic Failure: Various theories of elastic
failures with derivations and graphical representations, applications to
problems of 2- dimensional stress system with (i) Combined direct loading and
bending, and (ii) combined torsional and direct loading, Numericals.
Unit II
Unsymmetrical Bending: Properties of beam cross section, product of inertia, ellipse of inertia, slope of the neutral axis, stresses & deflections, shear center and the flexural axis Numericals. Thin
Walled Vessels : Hoop & Longitudinal stresses & strains in cylindrical
& spherical vessels & their derivations under
internal pressure, wire would cylinders, Numericals.
UNIT III
Thick Cylinders & Spheres :
Derivation of Lame’s equations, radial & hoop stresses and strains in thick, and compound cylinders and spherical shells subjected to internal
fluid pressure only, wire wound cylinders, hub shrunk on solid shaft, Numericals. Rotating Rims & Discs: Stresses in uniform
rotating rings & discs, rotating discs of uniform strength, stresses in (
I) rotating rims, neglecting the effect of spokes, (ii)
rotating cylinders, hollow cylinders &
solids cylinders. Numericals.
UNIT IV
Bending of Curved Bars : Stresses in bars of initial large radius of
curvature, bars of initial small radius of curvature, stresses
in crane hooks, rings of circular & trapezoidal sections, deflection of
curved bars & rings, deflection of rings by Castigliano’s theorem stresses
in simple chain link, deflection of simple chain links,
Problems. Springs: Stresses in open coiled helical spring subjected to axial
loads and twisting couples, leaf springs, flat spiral springs, concentric
springs, Numericals.
Text Books:
1. Strength of
Materials – G.H.Ryder, Third Edition in SI Units 1969 Macmillan, India.
2. Mechanics of
Materials – (Metric Edition) : Ferdinand P. Beer
and E. Russel Johnston, Jr. Second Edition, McGraw Hill.
Reference Books :
.
1. Book of Solid
Mechanics – Kazmi, Tata Mc Graw Hill
2. Strength of
Materials – D.S. Bedi - S. Chand & Co. Ltd.
3. Advanced Mechanics
of Solids and Structures – N. Krishan
Raju and D.R.Gururaje- Narosa Publishing House.
4. Strength of
Materials – Andrew Pytel and Fredinand L. Singer Fourth Edition, Int. Student
Ed. Addison – Wesley Longman.
NOTE: In the
semester examination, the examiner will set 8 questions, at least Two question
from each unit, and students will be required to attempt only 5 questions one
from each unit.
B.Tech. (Fourth
semester) Mechanical engineering
ME- 208 E
FLUID MECHANICS
L T P Sessional : 50 Marks
3 1 - Theory : 100 Marks
Total : 150 Marks
Duration of Exam : 3 Hrs.
Unit I
Fluid Properties and Fluid Statics: Concept of fluid and flow,
ideal and real fluids, continuum concept, properties of fluids, Newtonian and
non-Newtonian fluids. Pascal’s law, hydrostatic equation,
hydrostatic forces on plane and curved surfaces, stability of floating and
submerged bodies, relative equilibrium. Problems. Fluid Kinematics: Eulerian and Lagrangian description of fluid
flow; stream, streak and path lines; types of flows, flow rate and continuity
equation, differential equation of continuity in cylindrical and polar
coordinates, rotation, vorticity and circulation, stream and potential
functions, flow net. Problems.
Unit II
Fluid Dynamics: Concept of system and control volume, Euler’s equation,
Bernoulli’s equation, venturimeter, orifices, orificemeter, mouthpieces, kinetic and momentum correction factors, Impulse
momentum relationship and its applications. Problems.Potential Flow: Uniform and vortex flow, flow past a Rankin half body, source,
sink, source-sink pair and doublet, flow past a cylinder with and without
circulation. Problems.
UNIT III
Viscous Flow: Flow regimes and Reynold’s number, Relationship between shear
stress and pressure gradient, uni-directional flow between stationary and
moving parallel plates, movement of piston in a dashpot, power absorbed in
bearings. Problems. Flow Through Pipes: Major and minor
losses in pipes, Hagen-Poiseuilli law, hydraulic gradient and total energy
lines, series and parallel connection of pipes, branched pipes; equivalent
pipe, power transmission through pipes. Problems.
UNIT IV
Boundary Layer Flow: Boundary layer concept, displacement, momentum and energy
thickness, von-karman momentum integral equation, laminar and turbulent
boundary layer flows, drag on a flat plate, boundary layer separation and
control. Streamlined and bluff bodies, lift
and drag on a cylinder and an airfoil, Problems. Turbulent Flow: Shear stress in turbulent flow, Prandtl mixing length
hypothesis, hydraulically smooth and rough pipes, velocity distribution in
pipes, friction coefficients for smooth and rough pipes. Problems.
Text Books:
1. Fluid Mechanics –
Streeter V L and Wylie E B, Mc Graw Hill
2. Mechanics of Fluids
– I H Shames, Mc Graw Hill
References Books:
1. Introduction to
Fluid Mechanics and Fluid Machines – S.K. Som and G. Biswas, TMH
2. Fluid Mechanics and
Fluid Power Engineering – D.S. Kumar, S.K. Kataria and Sons
3. Fluid Mechanics and
Machinery – S.K. Agarwal, TMH, New Delhi
NOTE: In the semester examination, the examiner will set 8
questions, at least Two question from each unit, and students will be required
to attempt only 5 questions one from each unit.
B.Tech. (Fourth
semester) Mechanical engineering
MET –210
E DYNAMICS OF
MACHINES
L T P Sessional : 50 Marks
3 1 - Theory : 100 Marks
Total : 150 Marks
Duration of Exam : 3 Hrs.
UNIT I
Static force analysis, Static
equilibrium, free by diagram, Analysis of static forces in mechanism.
D’Alembert’s principal, Equivalent offset inertia force, Dynamics of
reciprocation parts, Piston effort, Crank effort, Equivalent dynamical systems,
and Inertia force in reciprocating engines by graphical and analytical method.
Turning moment and crank effort diagrams for single cylinder and multi-cylinder
engines, coefficient of fluctuation of energy, coefficient of fluctuation of
speed, flywheel and its function.
UNIT II
Types of gears, terminology,
condition for correct gearing, cyclical and involutes profiles of gear teeth,
pressure angle, path of contact, arc of contact, Interference, undercutting,
minimum number of teeth, number of pairs of teeth in contact, helical, spiral,
worm and worm gear, bevel gear. Gear trains; simple, compound, reverted, and
epicyclical, Solution of gear trains, sun and planet gear, bevel epicyclical
gear, compound epicyclical gear, pre-selective gear box, differential of
automobile, torque in gear taints.
UNIT III
Types of brakes, friction brakes,
external shoe brakes, band brakes, band and block brakes, internal expanding
shoe brake, dynamometers; absorption, and tensional. Types of governors; watt,
Porter, Proell, spring loaded centrifugal, Inertia,, Sensitiveness, Stability,
Isochronism’s, Hunting, Effort and power of governor, controlling force, Static
and dynamic balancing of rotating parts, balancing of I. C. Engines, balancing
of multi-cylinder engine; V-engines and radial engines, balancing of machines.
UNIT IV
Gyroscope, Gyroscopic couple and its
effect on craft, naval ships during steering, pinching and rolling, Stability
of an automobile (2-wheeers), Introduction, open and closed lop control, terms
related to automatic control, error detector, actuator, amplification,
transducers, lag in responses, damping, block diagrams, system with viscous
damped output, transfer functions, relationship between open –loop and closed
loop transfer function.
Suggested reading:
1.
Theory of machines:
S. S. Rattan, Tata McGraw Hill
Publications.
2.
Theory of Mechanism and Machines:
Jagdish Lal, Metropolitan Book Co.
3.
Mechanism synthesis and analysis:
A.H. Soni, McGraw Hill Publications.
4.
Mechanism:
J.S. Beggs.
5.
Mechanics of Machines:
P.Black, Pergamon Press.
6.
Theory of Machines:
P.L.Ballaney, Khanna Publisher.
NOTE: In the semester examination, the examiner will set 8
questions, at least Two question from each unit, and students will be required
to attempt only 5 questions one from each unit.
B.Tech. (Fourth semester) Mechanical
engineering
ME- 214 E FLUID MECHANICS LAB
Sessional : 25 Marks
Practical/Viva : 25 Marks
L T P Total : 50 Marks
- - 3 Duration of Exam. : 3 Hrs.
List of Experiments:
1. To determine the coefficient of impact for vanes.
2. To
determine coefficient of discharge of an orificemeter.
3. To determine the
coefficient of discharge of Notch ( V and
Rectangular types).
4. To determine the friction factor for the pipes.
5. To determine the
coefficient of discharge of venturimeter.
6. To determine the
coefficient of discharge, contraction & velocity of an orifice.
7. To verify the
Bernoullis Theorem.
8. To find critical
Reynolds number for a pipe flow.
9. To determine
the meta-centric height of a floating body.
10. To determine the minor losses
due to sudden enlargement, sudden contraction and bends.
11. To show the velocity and pressure variation with radius in a forced vertex flow.
Note:
1. At least ten experiments are to be performed in the
semester.
2. At least eight experiments should be performed from the
above list. Remaining two experiments may either be performed from the above
list or designed & set by the concerned institute as per the scope of the
syllabus.
B.Tech. (Fourth
semester) Mechanical engineering
ME- 212
E PRODUCTION
TECHNIOLOGY LAB
L T P Sessional : 50 Marks
- - 4 Practical/Viva : 50 Marks
Total : 100 Marks
Duration of Exam : 4 Hrs
List of Experiments:
Introduction to milling machines its types functions
applications etc.
1.
Practice of slab milling on milling machine.
2.
Practice of slotting on milling machine.
3.
To cut gear teeth on milling machine using dividing head.
4.
Introduction to gear hobber, demonstration of gear hobbing and
practice.
5.
Introduction to various grinding wheels and demonstration on
the surface grinder.
6.
Introduction to tool and cutter grinder and dynamometer.
7.
Study the constructional detail and working of CNC lathes
Trainer.
8.
To carry out welding using TIG/MIG welding set.
9.
Introduction, demonstration & practice on profile projector
& gauges.
10.
To make a component on lathe machine using copy turning
attachment.
11.
To cut external threads on a lathe.
12.
To cut multi slots on a shaper machine.
13.
To perform drilling and Boring operation on a Component.
1. At least eight experiments should be performed from the
above list. Remaining two experiments may either be performed from the above
list or designed & set by the concerned institute as per the scope of the
syllabus.
B.Tech. (Fourth semester) Mechanical engineering
ME 216 E DYNAMICS
OF MACHINE (LAB.)
L T P Sessional : 25 Marks
- - 3 Practical/Viva : 25 Marks
Total : 50 Marks
Duration of Exam : 3 Hrs
LIST OF EXPERIMENT
1. To determine
experimentally, the moment of inertia of a flywheel and axle compare with
theoretical values.
2. To find out
critical speed experimentally and to compare the whirling speed of a shaft with
theoretical values.
3. To find
experimentally the Gyroscopic couple on motorized gyroscope and compare with
applied couple.
4. To perform the
experiment of balancing of rotating parts and finds the unbalanced couple and
forces.
5. To determine
experimentally the unbalance forces and couples of reciprocating parts.
6. To calculate the
torque on a planet carrier and torque on internal gear using epicyclic gear
train and holding torque apparatus.
7. To study the
different types of centrifugal and inertia governors and demonstrate any one.
8. To study the
automatic transmission unit.
9. To study the
differential types of brakes.
10. To find out experimentally the corli
and component of accelaration and compare with theoretical values.
At least eight
experiments should be performed from the above list. Remaining two experiments
may either be performed from the above list or designed & set by the
concerned institute as per the scope of the syllabus.
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