Semester 1 08O101 calculus and its applications 3 2 0 4 basic concepts

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TEXT BOOKS:

Rattan S S, “Theory of Machines”, Tata McGraw Hill, 2005.
John N Uicker, Gordon R Pennock and Joseph E Shigley, “Theory of Machines and Mechanisms”, Oxford and IBH Publishing Co. Pvt. Ltd., 2003.

REFERENCES:

Thomas Bevan, “Theory of Machines”, CBS Publishers & Distributors, 2005.
Sadhu Singh, “Theory of Machines”, Pearson Education, 2002.
John Hannah and Stephen R C, “Mechanics of Machines”, Viva Low Priced Student Edition, New Delhi, 1999.
Rao J S and Dutkipatti R V, “Mechanism and Machine Theory”, Wiley Eastern Limited, New Delhi, 1992.
Ghosh and Mallick A K, “Theory of Machines and Mechanisms”, Affiliated East West Private Limited, New Delhi, 1988.

08P304 MACHINING TECHNOLOGY

3 0 0 3
INTRODUCTION: Types of machines, tools, chip, cutting fluid, recent trends in machining (6)
EXTERNAL SURFACE MACHINIG OF AXI-SYMMETRICAL COMPONENTS: Turning machines – types, specification, accessories, work holding devices, operating conditions – speed, feed, depth of cut – processes, accuracy, surface finish, material removal rate, machining time calculations, examples - pins and shafts, long shafts machining and disc type component machining - hub and wheels. (8)
INTERNAL SURFACE MACHINING OF AXI-SYMMETRICAL COMPONENTS: Machines, drilling, countersinking, counter boring, spot facing, tapping, reaming, deep hole drilling, operating conditions, boring, micro boring, jig boring, production of accurate hole, accuracy and finish of drilled holes, broaching, slotting – material removal rate, machining times calculations, examples. (6)

MACHINING OF PRISMATIC COMPONENTS: Shaping, planing and milling machines, types, end-milling, plain milling, side and face milling, operating conditions – cutting speed, feed, depth of cut – processes, accuracy, surface finish, material removal rate, machining time calculations, examples - production of housing type parts, lathe beds, machine columns, surface machining. (8)
GEAR MACHINING: Gear cutting machines - gear hobbing and gear shaping, process description, tooling and selection of cutting parameters, gear finishing operations, machining time calculations. (8)
ABRASIVE MACHINING: operating parameters - accuracy, surface finish attainable by various processes, specification of grinding wheels, grinding machines, types - surface, cylindrical, internal and centerless grinder; lapping, honing, super finishing. (6)
Total 42

Text books:

B S Nagendra Parashar, R K Mittal, “Elements of Manufacturing Processes”, PHI, New Delhi, 2003.
P N Rao, "Manufacturing Technology - Machining and Machine Tools", Tata McGraw Hill, New Delhi, 2000.

References:

Kalpakjian, “Manufacturing Engineering and Technology”, Pearson Education, 2005.
HMT, "Production Technology", Tata McGraw Hill Co., New Delhi, 2003.
Mikel P Groover, “Fundamentals of Modern Manufacturing”, John Wiley & Sons, 2002.
Chapman W A J, “Workshop Technology”, Vol I, II, ELBS, London, 2000.
Milton C. Shaw, "Metal Cutting Principles", Clarendon Press, Oxford, 1999.
Philip F. Oswald and Jairo Munoz, “Manufacturing Process and System,” John Wiley & Sons, New York, 1998.
Heinrich Gerling and Karl H Heller, “All About Machine Tools”, Newness Butterworth, 1997.

08P305 STRENGTH OF MATERIALS

(Also common with 08M305/ 08A305)

3 1 0 3.5

STRESSES AND STRAINS: Stress and strain due to axial force - elastic limit - Hooke's law-factor of safety - stepped bars, uniformly varying sections, stresses in composite bar due to axial force. Strain Energy due to axial force - proof resilience, stresses due to gradual load, sudden load and impact load. (7)

CHANGES IN DIMENSIONS AND VOLUME: Lateral strain - Poisson's ratio, volumetric strain, changes in dimensions and volume, shear stress, shear strain, relationship between elastic constants. Hoop and Longitudinal stresses in thin cylindrical and spherical shells under internal pressure-changes in dimensions and volume. (7)

BENDING MOMENT AND SHEAR FORCE: Relationship between load, shear force and bending moment - shear force and bending moment diagrams for cantilever, simply supported and overhanging beams under concentrated loads, uniformly distributed loads, maximum bending moment and point of contra flexure. (5)

FLEXURE IN BEAMS: Theory of simple bending and assumptions - derivation of equation, section modulus, normal stresses due to flexure. (5)

TORSION: Theory of torsion and assumptions-derivation of the equation, polar modulus, stresses in solid and hollow circular shafts, power transmitted by a shaft, close coiled helical spring with axial load. (6)

PRINCIPAL STRESSES AND STRAINS: (Two dimensional only) State of stress at a point - normal and tangential stresses on a given plane, principal stresses and their planes, plane of maximum shear stress, analytical method, Mohr's circle method, application to simple problems. (6)

DEFLECTION OF DETERMINATE BEAMS: Governing differential equation - Macaulay's method-moment area method, application to simple problems. (6)

Total 42

TEXT BOOK:

1. Punmia B C and Jain A K, "Strength of Materials and Theory of Structures", Vol.1, Laxmi Publications, New Delhi, 1992.

REFERENCES:

1. Ramamrutham S and Narayan R, "Strength of Materials", Dhanpat Rai and Sons, New Delhi, 1997.

2. Bedi D S, "Strength of Materials", S Chand and Co. Ltd., New Delhi, 1984.

3. Hearn E J, "Mechanics of Materials", Vol. I, Pergamon Press, 1977.

4. Popov E P, "Mechanics of Materials", Prentice Hall Inc., Englewood Cliffs, New Jersey, 1976.

08P306 ELECTRICAL AND ELECTRONICS ENGINEERING

3 0 0 3

INTRODUCTION: Ohm’s law - Kirchhoff’s laws – solving simple, DC circuits – Single Phase AC circuits - Power, Power factor, Introduction to three phase system Comparison of single phase and Three phase. (5)

ELECTRIC DRIVES: DC DRIVES: DC motors, principle of operation, torque equation, power developed, speed-torque characteristics of series, shunt and compound motors, speed control-armature control, field control. (5)

AC DRIVES: AC machines, Three phase Induction motors, principle of operation, torque equation, speed-torque characteristics of Induction motors, cage and wound rotor types, single phase Induction motors-principle of operation, method of starting, types of single phase motors-AC and DC servo motors. (5)

INDUSTRIAL APPLICATIONS: Factors to be considered for selection of motors, determination of power rating of drive motors, selection of motors for cranes, machine tool applications, centrifugal pumps and rolling mills. (4)

ELECTRONIC DEVICES: Operation of PN junction diodes, VI characteristics, zener diode, BJT-types - CB, CE, CC configurations-input and output characteristics: CE amplifier, JFET, difference between FET and BJT-working principle and characteristics. MOSFET- types, principle of operation and characteristics. (6)

ELECTRONIC CIRCUITS: (Qualitative analysis only) Half wave and full wave rectifier, capacitive filters, zener voltage regulator, RC coupled amplifier, frequency response, oscillator, Barkhausen criteria, RC phase shift oscillator. (5)

LINEAR INTERGATED CIRCUITS: Operational amplifiers, Ideal op-amp characteristics, Inverting and Non-inverting amplifier, op-amp applications – Adder - Subtractor, integrator, differentiator, comparator, zero crossing detector, IC 555 timer, terminal fixed and adjustable voltage regulator. (6)

DIGITAL ELECTRONICS: Number systems-binary, octal, hexadecimal, logic gates – AND,OR, NOT, NAND,NOR, XOR, XNOR, Half adder, full adder, subtractor, Flip flops, RS,JK,JK Master slave, D and T type, counters and shift registers. (6)

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