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Basic Mechanical Engineering-Pune

Teaching Scheme:
Theory:: 3 Hours
Practical: 2 Hours

Examination scheme
Online Test I 25 marks
Online Test II 25 marks
Theory: 50 marks (3 hours)
TW: 25 marks

Course Objectives:
i. This course will help the student to acquire knowledge of mechanical engineering.
ii. Describe the scope of mechanical engineering with multidisciplinary industries.
iii. Understand and identify common machine elements with their functions and power transmission devices.
iv. Learn conventional machine tools and understand the concept of design in mechanical engineering.
v. Impart knowledge of basic concepts of thermodynamics applied to industrial applications.
vi.  Understand laying principles of energy conversion system and power plants.

Unit 1 (6 Hrs.)

Introduction to Mechanical Engineering
Mechanical Elements:- 
Function, Sketch, Description, Uses of- shaft, Axle, Key (Parallel key), Coupling (Rigid Flanged Coupling), Bearing (Ball bearing), Cluth-Single Plate Clutch, Brake-Disc Brake.

Power Transmission Devices: Construction, working, comparison and application of: Belt Drive (Flat and V Belt), Clain Drive and Spur Gear Drive arranged with-simple gear train.

Unit 2 (6 Hrs.)

Design Fundamentals
Design: Steps in design process, Mechanical Properties (Strength, Toughness, Hardness, Ductility, Malleability, Brittleness, Elasticity, Plasticity, Resilience, Fatigue, Creep) and selection of Engineering materials, Applications of following materials in engineering-Aluminium, Plastics, Steel, Brass, Cast Iron, Copper, Rubber

Mechanism (Descriptive treatment only): Defination and comparison of Mechanism and Machine, Four Bar Mechanism, Slider Crank Mechanism.

Unit 3 (6 Hrs.)

Manufacturing Processes
Introduction to Manufacturing Processes and their Applications (Casting, Forging, Sheet metal working and Metal joining processes). Description of the Casting process: Sand casting (Cope and Drag). Sheet metal Forming (shearing, bending, drawing). Forging (Hot working and cold working comparison). Electric Arc welding, comparison of- Welding, Soldering, Brazing.

Unit 4 (6 Hrs)

Machine Tools
Basic Elements, Working Principle, Types of Operations with block diagram: Lathe Machine- Centre Lathe, Drilling Machines, Grinding Machines.

Unit 5 (6 Hrs.)

Thermal Engineering
Thermodynamics system (open, close, isolated). Thermodynamics Properties: Definition and Units of – Temperature, Pressure (atmospheric, absolute and gauge). Volume, Internal energy, Enthalpy, Concept of Mechanical work, Thermodynamics Laws with an example- Zeroth Law, Limitations of the first law, Concept of heat Sink, Source, heat engine, heat pump, refrigeration engine, 2th law of thermodynamics statements (Kelvin-Plank, Claussius), Numerical on 2th law only.

Measurement: Measurement of Temperature(Thermocouple- Type according to temperature range and application), Measurement of pressure (Barometer, Bourdon pressure gauge, simple U tube manometer with numerical).

Unit 6 (6 Hrs)

Power Plant Engineering: Conventional and non-conventional energy resources, Hydro-electric, Thermal, Nuclear, Wind, Solar[with Block diagram].

Power Producing Devices: Boiler-Water tube and fire tube, Internal combustion engine-Two stroke and four strokes (Spark ignition and compression ignition), Turbines-Impulse and reaction.

Power Absorbing Devices: Pump- Reciprocating and Centrifugal, Compressor-Single acting, single stage reciprocating air compressor, Refrigeration-Vapour compression refrigeration process, Household refrigerator, Window air conditioner (Working with block diagram).

Term work: Term work shall consist of record of any eight experiments out of the following;
1. Study of power transmitting elements: couplings, gears, and bearings.
2. Study of mechanisms: four bar mechanism, slider crank mechanism
3. Study, demonstration and working of center lathe machine
4. Study of any one power plant
5. Study, demonstration on two strokes and four stroke engine.
6. Study, domestic refrigerator and window air conditioner.
7. Study of Package Type Boiler.
8. Report on visit or guest lecture related to mechanical engineering.

Text Book:
1. G. shanmugam, S. Ravindran. ”Basic mechanical Engineering”, Tata McGraw-Hill Publisher Co.Ltd.
2. R. K. Purohit, ”Foundation of Mechanical Engineering”. Scientific Publishers.
3. C. S. Chetankumar, B. P. Mahesh, ”Elements of Mechanical Engineering”, S. Chand Publications.
4. P. K. Nag. ”Engineering Thermodynamics”, Tata McGraw-Hill Publishing  Co. Ltd.
5. Chaudhari, Hajra, ”Elements of Workshop Technology”, Volume I and II, Media Promoters and Publishers, Mumbai.

Reference Books:
1. Yunus A. Cengel and Boles, “ Thermodynamics “,Tata McGraw-Hill Publishing Co. Ltd
2. Arora and Domkunwar, “Thermal Engineering”, Dhanpat Rai and Sons.
3. P. K. Nag. ”Engineering Thermodynamics”, Tata McGraw-Hill Publishing  Co. Ltd.
4 V. B. Bhandari “Design of Machine Elements” Tata McGraw-Hill Publishing Co. Ltd
5. S. S. Ratan, ”Theory of Machine” Tata McGraw-Hill Publishing Co. Ltd.
6. Surinder Kumar, “Basics of Mechanical Engineering”, Dhanpat Rai and Sons.
7. T. J. Parbhu, V. Jaiganesh and S. Jebaraj, “Basic Mechanical Engineering”. Scitech Publication (India) Pvt. Ltd. Chennai. 2010.

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