Geometrical construction, use of instruments, scales, engineering curves. Orthographic projections, conversion of pictorial views to orthographic views and vice versa. Dimensioning. Unit – II




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НазваниеGeometrical construction, use of instruments, scales, engineering curves. Orthographic projections, conversion of pictorial views to orthographic views and vice versa. Dimensioning. Unit – II
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MANUFACTURING TECHNIQUES & MECHATRATRONICS LAB.

M 344


MANUFACTURING TECHNIQUES LAB.

S. No.

Name of Experiment







To find IP of Newage 4 cylinder Petrol Engine by Morse test




To find IP of Suzuki 3 cylinder Petrol Engine by Morse test




To estimate and draw the heat balance sheet for a horizontal Ruston Diesel Engines




To find the effect of Ignition Timing on Newage petrol engine




To perform variable speed load test on Newage petrol engine




To perform variable speed load test on Single Cylinder 4 Stroke petrol engine




To find the effect of Air/Fuel ratio on variable compression petrol engine [TD43] performance at constant throttle.




To find the effect of compression ratio on variable compression petrol engine [TD43] performance




To study a 2 wheeler chassis dynamometer & perform a test on it.




Load Test on Rover’s Gas Turbine




Load Test on Steam Turbine

S. No.

Name of Experiment





1.

Manufacture of a Screw jack for a Car.

2.

Special Bolt for holding Stepney of a Car.

3.

Oil Chamber Bolt of a Car.

4.

Manufacturing of different Items Moulding through Plastic Injection.

5.

Manufacturing of Different Bushes of various Materials.


MECHATRATRONICS AND INSTURMENTATION LAB.

S. No

Name of Experiment


1.

Study of Mechatronics training package along with the accessories available with the Lab.

2.

Study of Mechatronics Products Floppy Disk Drive, Dot Matrix Printer & CD Player.

3.

Control of AC Non Servo synchronous motor clockwise & Anticlockwise in manual mode and through programming.

4.

Control of single acting cylinder and double acting cylinder by checking the retract position of the piston and extend position of the piston.

5.

Control of carriage manually and through programming.

6.

Control of Conveyor manually and through programming.

7.

Control of X-Y position table manually and through programming.

8.

Control of Rotary table using digital inputs.

9.

Determination of temperature of 1000W heating element with the help of disappearing element type optical pyrometer.

10.

Measure the viscosity of a given fluid with the help of digital viscometer.

11.

Measurement of table fan speed by stroboscope.

12.

Study of cathode ray oscilloscope (C.R.O.)



HEAT TRANSFER

M 351

UNIT - I

Steady State Conduction: Fourier’s law and general conduction equation in Cartesian & cylindrical coordinates, Analysis of composite slabs and cylinders, insulation desirable properties and critical thickness of factors affecting conductivity of metals, liquids, gases and insulators, Effect of variable conductivity.

Unsteady state Heat Transfer : Newtonian heating/cooling, sudden temperature, periodic heat flow, solution of unsteady state problems using Heisler charts.

UNIT- II

Radiation: Mechanism, electromagnetic spectrum, reflectivity, absorbtivity, transmissivity, emissivity, emissive power, intensity of radiation, Planck's law, Wien's law, Stefan Boltzman’s law and Kirchoff’s law. View factor for simple geometries and view factor relations, Concept of black and gray body, Black body radiation exchange, radiation shields.

UNIT – III

Convection: Analysis of free and forced convection using dimensional, analysis, significance of various dimensionless numbers e.g. Reynolds number, Prandtl number, Nusselt number, Grashoff's number, Biot number, empirical co-relations for plates and pipes under natural/forced convection conditions. Concept of thermal and hydrodynamic boundary layer.

Heat Transfer & temp. distribution in rectangular fins (Longitudinal & annular) of uniform cross section, effectiveness and efficiency of fin.

UNIT – IV

Heat Exchangers: Definition and classification, concept of LMTD and overall heat transfer coefficient, fouling factor, NTU method to analysis exchangers performance. Derivation LMTD and effectiveness for parallel and counter flow heat exchangers.

UNIT – V

Condensation and Boiling: Heat transfer condensation process: Mechanism of condensation, Nusselt's theory, dropwise & filmwise condensation, boiling heat transfer, nature of vaporization, nucleate pool boiling, empirical co-relation for boiling heat transfer, Boiling curve.


Books and References:

1. Heat and Mass Transfer D.S. Kumar

2. Heat and Mass Transfer S. Domkundwar

3. Heat Transfer S.M. Yayha


MACHINE DESIGN II

M 352

UNIT- I

Fatigue - Importance in Engineering design, concept of fatigue, fatigue strength and endurance limit, stress concentration, Goodman and modified Goodman diagram, Soderberg and Gerber hypotheses, effect of loading type, size, surface finish, notch, surface treatment, and corrosion, cumulative fatigue damage, applied problems.

UNIT -II

Gears - design consideration, Hertzian stresses, design load, beam strength, surface strength, design procedure for helical and spur gears, design calculation for bevel and worm gears.

UNIT - III

Creep- temperature considerations in design, creep, designing for creep, thermal stresses, applied problems.

Bearing- Classification, design of hydrodynamic bearings, selection of ball and roller bearings.

UNIT - IV

Design of the following:

1. Rotating Machines e.g. Centrifugal Pump, Compressor.

2. Gear Box

Introduction to various CAD softwares.

Not: Unit I, II, & III shall carry a weightage of 20% each. Unit IV shall have 40% weightage in theory paper.

Books and References:

1. Mechanical Analysis and Design Burr and Chetan

2. Centrifugal Pumps and Blowers Church & Jagdish Lal

3. Mechanical Engineering Design J.E. Shigley & Charles R.Mischke,TMH

4. Machine Tool Design N.K. Mehta

5. Design of Machine Elements V.B. Bhandari, TMH


MECHANICAL BEHAVIOUR & CHARACTERISATION OF MATERIALS

M 353

UNIT - I

Mechanical behaviour of Metals, Stress strain curve, yield criteria and constitutive relationship, theory of dislocations, yield point phenomenon and strain ageing, strengthing mechanisms.

UNIT - II

Types of failure, ductile and brittle failure, Griffiths theory and its modification, creep, fatigue failures factors affecting, prevention and correlation of properties with microstructure.

UNIT - III

Structure and Mechanical behaviour of polymers, deformation mechanisms, time dependent deformation, deformation models.

UNIT - IV

Testing of material, creep and fatigue testing , testing of polymers, NDT.

Books and References:

              1. Mechanical behaviour of materials- Dietor

2. Testing of materials . ABK Suryanarayan


AUTOMOBILE ENGINEERING

M 354


UNIT I :

Fuels and fuel systems: general introduction.

SI Engines fuel injection systems: Requirement and need for fuel injection. Classification of systems in practice. MPFI system operation construction and working of important sensors used in FI injection system. CI Engine fuel injection systems : Requirement of Diesel injection systems. Classification – injectors for CI Engines.

UNIT II :

Engine induction and Exhaust Systems: Requirements and considerations. Manifold flow paths and tuning. Introduction to exhaust gas extraction. Turbocharging, types, variable geometry turbocharger.

Engine valve operating systems: Effect of Valve timing and valve lift on engine operation; variable valve lift and variable valve timing. Valve operating conditions. Multi valva engines.

UNIT III :

General: Development & Advances in Automobile Engineering, Engine types

Advanced Engine systems: Ignition systems for petrol engines. Advanced cooling concepts, radiators and thermostat. Wind shield wiper fuel gauge.

Chassis and suspension: Requirements and general consideration of strength and stiffness. Engine mountings, types of suspension.

UNIT IV :

Transmission: Clutch, types, fluid flywheel, torque converter, gear boxes, universal joint, propeller shaft, differential, rear axles and their types, front axles and their types.

Steering: Factor controlling rolling and directional stability, castor angle, wheel camber, stearing geometry and system, power assisted steering.

UNIT V :

Brakes: Principle of braking system, braking mechanism, mechanical and hydraulic brakes, power brakes, vacuum and air brakes.

Wheels and Tyres: Wheel drum, tyre, materials and manufacturing of tyres, trouble shooting and maintenance.

Books and References:

1. Automotive Mechanics Heitner

2. Automobile Engg. GBS Narang

3. Automobile Engg. TR Banga & Nathu Singh
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