7th Semester Mechanical Engineering Syllabus (MG University) U 701 AUTO POWER PLANT Module – 1. Introduction: Types of power plant, classification of engines, working of 2 stroke and 4 stroke with relative merits and demerits. Constructional details of engine components: Cylinders – types, cylinder liners, engine block, types of cylinder head, gasket materials, piston types, function, materials, piston rings, piston pins, connecting rod, crank shaft, flywheel, cam shaft, valve and valve mechanism, inlet and exhaust manifold construction, hydraulic tappets. Module – 2. Fuel supply system in petrol engines: Types of fuel feed systems, fuel pumps and filters, construction, air filter types and construction, carburetion, simple carburetor, different circuits in carburetor, types of carburetor. Module – 3. Fuel supply system in diesel engines: Cleaning system, transfer system, injection pump, nozzles, their functions and necessity, simple and multi unit pump, CAV Bosch pump. Modern distributor type pumps, maximum and minimum speed governors, injection nozzles and types of injectors. Module – 4. Cooling system: Necessity of cooling, types of cooling, air cooling and water cooling, forced circulation, thermostat, water pump, radiator, pressurized cooling, antifreeze solution, liquid cooling/ oil cooling. Module – 5. Lubricating system: Function of lubricating system, classification of lubricants, types of lubricants, types of lubricants, properties of lubricants, oil filter, oil pumps, crank case ventilation, oil additives, specification of lubricants. References: Newton and Steeds – Motor vehicle, Wildlife Publications, London. Kirpal Singh – Automobile Engineering Volume 1 & 2 standard publications, New Delhi. Joseph Heitner – Automobile mechanics, CBS Publishers, New Delhi.

T. R. Banga and Nathu Singh – Automobile Engineering, Khanna Publishers, New Delhi. A. W. Judge – Modern petrol engine, Chapman and hall, London. P. M. Heldt – High speed diesel engines, Chillon Co. New York. MU 702 INDUSTRIAL ENGINEERING Module – 1. Introduction: Evolution of Industrial Engineering – Fields of application of Industrial Engineering – Functions of Industrial Engineer – Organisational structure of Industrial Engineering Department. Production and Productivity – Types of Productions – countinuous production – intermittent production – Productivity – Productivity index – factors affecting productivity – reasons for poor values – types of values – the different phases of value analysis. Module – 2. Plant design – plant location – factors influencing plant location. Plant layout – types of plant layout – introduction to layouts based on group technology – just in time and cellular manufacturing systems – Material handling – Principles of material handling – selection of material handling devices – types of material handling equipments – Maintenance and replacement of equipments – Types of maintenance – Depreciation – methods of calculating depreciation. Selection of equipments – methods for replacement studies. Module – 3. Methods Engineering: Process charts and flow diagrams – Micro motion study – work measurement techniques. Job evaluation and merit rating: Objects of job evaluation – Methods of job evaluation. Objectives and uses of merit rating – Merit rating plans. Module – 4. Industrial relations: Fatigue – communication in industry – Industrial disputes – Trade unions – Quality circles – BIS – ISO – Labour Welfare – Industrial Safety – Statutory provisions in labour legislations. Ergonomics: Objectives and applications. Module – 5. Inventory control: Determination of economic order quantity and recorder level. Quality control: Destructive and non-destructive testing methods. Statistical quality control – process control charts – acceptance sampling. Cost accounting and control. Elements of cost – Selling price of a product – Types of cost – Allocation of overheads. References:

Production system – Riggs. Production control – Hiejet. Human factors in Engg. Design – Mc Cornie E. J. Industrial Engg. and Management – O. P. Khanna. Industrial Organization and Management – Banga and Sarma. Industrial Engg. – A. P. Verma. Value Engg. – Mudge. Manufacturing Organization and Management – Amrine. Time and Motion Study – Lowry. Quality control – Hansen. MU 703 REFRIGERATION AND AIR CONDITIONING Module – 1. Principles of refrigeration: Thermodynamics of refrigeration – Carnot cycle, reversed Carnot cycle, heat pump, and refrigerating machine – coefficient of performance – unit of refrigeration – refrigeration methods – conventional refrigeration systems. Air refrigeration system – Bell Coleman cycle – COP capacity work and refrigerant flow requirements in Bell – Coleman cycle. Module – 2. Vapour compression system: simple cycle – comparison with Carnot cycle – theoretical, actual and reactive – COP effect of operating parameters on COP – wet, dry and superheated compression – under cooling – actual cycle representation on TS and PH diagrams- simple problems. Advanced vapour compression systems – multistage vapour compression systems – flash chamber multiple compression and evaporation systems cascading – simple problems. Module – 3. Vapour absorption systems: Simple, cycles – actual cycle – ammonia water and lithium bromide water systems – COP – Electrolux system. Refrigerant and their properties: Nomenclature – suitability of refrigerants for various applications – unconventional refrigeration methods – Vortex tube, steam – jet, magnetic (cryogenics) refrigeration and thermoelectric refrigeration. Applied refrigeration – house hold refrigerators – unit air conditioners and water coolers – ice plant and cold storage. Module – 4. Refrigeration system components: Condensors – water and air cooled condensers – evaporative condensers – expansion devices – capillary tube – constant pressure expansion

valve – thermostatic expansion valve – float valve and solenoid valve – evaporators – natural convection coils – flooded evaporators – direct expansion coils – Reciprocating compressors – single and multistage compressors – work done – optimum pressure ratio – effect of interfolding – volumetric efficiency – effect of clearance – isothermal and adiabatic efficiency – compressed air motors – Rotodynamic compressors: screw and vane type compressors – principle of operation – hermetic, semihermitic, and open type refrigeration compressors. Module – 5. Principles of air conditioning: Psychrometry and psychrometric chart thermodynamics of human comfort – effective temperature – comfort chart applied psychrometry – sensible heat factor – psychrometric process – problems. Winter air conditioning – heating load calculations – humidifiers and humidistat. Summer air conditioning: cooling load calculations – year round air conditioning – unitary and central systems – principles of air distribution – design of air duct systems. References: 1. Refrigeration and air conditioning – Ballaney P. L. 2. Refrigeration and air conditioning – Stocker W. F. 3. Refrigeration and air conditioning – Jordan and Protester. 4. Principles of Refrigeration – Roy. J. Dossat. MU 704 ADVANCED I. C. ENGINES Module – 1 Idealized cycles and processes: Otto cycle, Diesel cycle, comparison of air standard cycle with actual cycle, regenerative cycle, ideal engine, fuel air cycle, comparison with ASC with respect to thermal efficiency, specific heat, numerical problems covering the above, use of combustion chart. Module – 2 Gas turbine combustion: Simple Brayton cycle, working of a gas turbine, inter cooling – reheat and regeneration, free piston engine, determination of efficiency and power output. Engine characteristics: Mechanical – thermal efficiency, air consumption, specific fuel consumption, heat balance sheet, air consumption, numerical problems. Module – 3

Supercharging: Objectives of supercharging, supercharging in S. I. Engine and C. I. Engine. Effect of supercharging on performance of the engine, supercharging limits, methods of supercharging, superchargers, turbo charging, methods of turbo charging, limitations of turbo charging. Module – 4 Duel fuel and multi – fuel engine: Combustion in dual fuel engines, factors affecting combustion in dual fuel engines, performance of dual fuel engines, multi fuel engines, characteristics of multi fuel engines, performance of multi fuel engines. Module – 5 Modern developments in I. C. Engines: Stratified charge engine, stirling engine, Wankel engine, variable compression ratio engine, lean burn engines and ceramic engines. Petrol injection: Advantages of petrol injection, timed and continuous injection, representative type of petrol injection – principle, construction and working. References A. W. Judge – Modern Petrol Engine, Chapman and Hall, London. Mathur and Sharma – A course in I. C. Engines, DhanpatRai and Sons. L. V. Litchy – Combustion engine process, International student edition, McGraw Hill, Kogakushana (1967) Kirpal Singh – Automobile Engg. Vol 1 & 2, Standard publishers, New Delhi. Newton and Steeds – Motor vehicle, Publications, London. 6. T. K. Garett: Automotive fuels and fuel systems Vol. 1 and 2 SAE Inc. 1991. U 705 AUTO ELECTRICAL/ ELECTRONICS Module – 1 Storage battery: Principle of lead acid battery & constructional details, effect of temperature on electrolyte, capacity and efficiency of battery, battery charging methods, alkaline battery, Battery tests, battery maintenances. Charging system: Principle of generation of D. C. Generator, constructional details, armature reaction, third bush control, voltage and current regulations, construction and working, construction of A. C. generators, advantages. Starter motor: Principle, condition at starting, series motor and it’s characteristics, types of drives, types of starter switches. Module – 2

Lighting and electrical accessories: Principle of automobile illumination, head lamp, mounting and construction, sealed beam, auxiliary lighting, horn, wind screen wipers, signaling devices, electrical gauges – fuel gauge, oil gauge, temperature gauges. Module – 3 Ignition system: Types of ignition, magneto and coil ignition, constructional details, distributor, spark plugs, ignition coil, ignition timing, electronic ignition systems, advantages, simplified operational diagram of a distributor – less ignition system. Module – 4 Electronic fuel injection system and electronic sensors, types of gasoline fuel injection system, electrical fuel pump, electronically controlled fuel supply system, exhaust gas recirculation system, control of air fuel mixture. Types of sensors: Pressure sensor, throttle position sensor, fuel flow sensor and thermistor sensor, oxygen sensor. Module – 5 Electrical control in transmission and brakes: Overdrive, automatic gear change system, electrical brakes, principles and practical applications. References A. P. Young and L. Griffiths – Automotive electrical equipment, English language book society and New press. A. W. Judge – Modern electrical equipments of automobiles, Chapman and Hall. W. H. Crouse – Automotive electrical equipment, McGraw hill book co. inc, New York. Automotive Electrical, Electronic system, Bosch – SAE published by Robert Bosch. P. M. Kohli – Automotive electrical equipments, Tata Mc Graw hill publications. V. A. W. Hilter – Fundamentals of Automotive electronics, Century Hutchinson Ltd, London. MU 706 A OPTIMIZATION TECHNIQUES (ELECTIVE – 1) Module – 1 Classical optimization techniques Single variable optimization – Multivariable optimization with no constraints – Hessian matrix – Multivariable saddle point – Optimisation with equality constraints – Lagrange multiplier method – Multivariable optimization with inequality constraints – Kuhn – Tucker conditions. Module – 2

One dimensional unconstrained minimization. Elimination methods – unrestricted search method – Fibonacci method – Interpolation methods – Quadratic interpolation and cubic interpolation methods. Module – 3 Unconstrained minimization. Gradient of a function – steepest descent method – Newton’s method – Powell’s method – Hooke and Jeeve’s method. Module – 4 Integer – Linear programming problem Gomory’s cutting plane method – Gomory’s method for all integer programming problems, mixed integer programming problems. Module – 5 Network techniques. Shortest path model – Dijkstra’s algorithm – Floyd’s algorithm – minimum spanning tree problem – PRIM algorithm – Maximal flow problem algorithm. References Optimization theory and application – S. S. Rao, New Age International P Ltd. Optimization concepts and applications in Engineering – A. D. Belegundu, T. R. Chandrupatla, Pearson Education Asia. Principles of Operations Research for Management – F. S. Budnick, D. Mcleavey, R. Mojena, Richard D. Irwin, INC. Operation Research an introduction – H. A. Taha, Eastern Economy Edition. Operations Research – R. Panneerselvam, PHI. MU 706 B PLANT ENGINEERING AND MAINTENANCE (ELECTIVE 1) Module – 1 Wear and Lubrication: Wear – classification – theories of wear – analytical treatment of wear – stages of wear –effect of moisture, gas and liquid on wear – effects of moisture, gas and liquid on wear Module – 2

Shaping, planing and slotting machines: Types and specifications – quick return motion – hydraulic feed and it’s advantages – automatic feed – speed, feed and depth of cut – work holding devices – types of operation and examples of work done – shaping of V-blocks, planning 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 it’s use – method of indexing – dividing head – milling of plane surface, key ways, slides and hexagons. Module – 3 Grinding, Horning and Lapping: Types and methods of operations – tools 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, work, helical and bevel gear cutting – gear finishing and gear shaping operations – gear errors. Module – 4 Numerical Control (NC) Machine tools: Elements, classifications (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 tool room – machining centres – automatic tool changing – manufacture of lcs, 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 and Technology, Vol. 2 – Suresh Daleela. Manufacturing Engineering and Technology – S. Kalpakjian, S. A. Schmidt. MU 706 B

PLANT ENGINEERNIG AND MAINTENANCE (ELECTIVE – 1) Module – 1. Wear and lubrication: Wear – classification – theories of wear – analytical treatment of wear – stages of wear – effect of moisture, gas and liquid on wear – effects of temperature – corrosive wear – fretting – fatigue – calculation of working life – design considerations. Module – 2. Lubricants: solid, fluid and semi fluid – synthetic lubricant – general properties and uses – tests and classification – aniline point – cloud, pour and flash point – carbon residue – flash and fire points – sulphur content – lubricant additives – lubricant systems – lubrication equipments and components. Module – 3. Maintenance: Breakdown and preventive maintenance – deterioration and failure analysis – planning, scheduling and controlling of maintenance work – organization for maintenance. Replacement: causes of deterioration and obsolescence – sudden and gradual obsolescence and deterioration – economic analysis – MAPI method. Evolution of maintenance management – SWOT analysis – subjective methods of evaluation – objective criteria of evaluation. Module – 4. Reliability: concept and definition – chance of failure, wear and failure application of stochastic model for reliability studies – reliability of series, parallel and stand by systems – estimation of parameters of failure distribution – maintainability and availability – problems. Module – 5. Non destructive testing and diagnostic instruments: inventory control of spare parts – simple problems. Safety management: accident prevention program – designing of safe operation – fire protection – legal provisions for safety in industry. References: Standard handbook of Plant Engineering: Robert. C. Rosder. Reliability and Maintainability Management – Balbir. S. Shillon. Industrial Maintenance and Management – Sushil Kumar, Srivasthava. Handbook of Tribology – Bharath Bhooshan, B. K. Gupta. Inspection, Quality control and Reliability – S. C. Sharma.

Maintenance and Spare Management – P. Gopalakrishnan, A. K. Banergy. U 706 C SPECIAL TYPE OF VEHICLES (ELECTIVE – 1) Module – 1. Vehicle power plants: Heavy duty petrol engines and high speed diesel engines, air cooled and water cooled engines and air filters as in off highway vehicles. Vehicle performance: Performance characteristics of vehicles, resistance to digging and motion, tractive effort, power required, number of speeds and gear ratios desirable, double reduction arrangements. Module – 2. Wheeled and crawler tractors: Layout of wheeled tractor, power transmission, steering systems, brakes and braking system, wheels, rims and tyres and accessories of wheeled tractors, hydraulic control system, power take off, tractor stability and ride characteristics, layout of crawler tractors, power transmission, steering clutch and braking system, crawler details, methods of selection of equipments, selection of machines, basic rules for matching machines, selection of equipments including the nature of operating, selection of machines based on the type of soil, selection based on haul distance, selection based on weather conditions. Module – 3. Earth moving machines: Construction and operational aspects of bull dozers, dumpers, loaders, scrapers and shovels, power and capacity of earth moving machines. Module – 4. Construction equipment: Construction and operational aspects of mobile cranes, road rollers, elevators and elevating graders. Module – 5. Calculation of operating capacity: Methods of calculating operating capacity, calculation of productivity of bull dozer, shovel, wheel loaders and dump truck. References: K. Abrosimov, A. Bromberg and F. Kaloyer – Road making machinery, MIR Publishers, Moscow. A. Gureuvech and B. Sorekin – Tractors, MIR publishers, Moscow 1975.

B. Geleman and M. Maskovin – Farm tractors, MIR Publishers, Moscow 1975. Smith, Harris Pearson and Wilkes, Lambert Henry – Farm machinery and equipment, TATA McGraw Hill Publications, 1977. Herbert Nicholos – Moving the earth. Jagman Singh – On and with the earth. U 706 D VEHICLE BODY ENGINEERING (ELECTIVE 1) Module – 1. Introduction: Terms used in body buildings construction, ground clearance, floor longitudes, seat rail, waist rail, roof longitudes, truss panel, wheel arch structure, wheel arch post diagonals, gussets. Classification of coach work: Types, styling, forms, coach and bus body styles, layout of bus and coach bodies, commercial vehicle types. Module – 2. Vehicle body materials: Steel, light alloys, plastics, textiles, glass, wood, aluminium materials, paints, adhesives and their properties, weight specifications, corrosion and their prevention. Basic dimension: Regulations as per ISI, drivers seat, passengers seat, visibility. Module – 3. Aerodynamics: Resistance offered to vehicle movement, aerodynamic drag, aerodynamic lift and pitching movement, side force, yawing moment and rolling moment. Module – 4. Layout of the design: Floor level and wheel arch, layout of cars, buses and coaches with dimensions, layout of trucks and lorries, vans and pick ups. Preliminary design: Vehicle body stress analysis, vehicle weight distribution. Module – 5. Safety: Safety of vehicle, design of body for safety – Calculation off loading: Static loading, longitudinal loads and side loads. Doors, windows regulating mechanisms, seat and seat adjusting mechanisms. Noise: Sources of noise and methods of noise suppression. References: Pauloski – Vehicle Body Engineering.

S. P. Page – Body Engineering. Paul Browne – Auto care manual. Redesign of bus bodies – Part 1 and Part 2 C. I. R. T., Pune. U 707 AUTOMOBILE WORKSHOP – 3 Valve re-conditioning: valve grinding by using valve refacer, valve seat grinding, lapping and valve angle measurement. Cylinder reconditioning: Checking the cylinder bore, setting the tool, re-boring operation. Brake drum re-conditioning: Brake drum skimming after leveling machine, ovality measurement and setting the tool. Connecting rod boring: Connecting rod boring, groove cutting, setting the tools, machinery. Line boring: Setting the tool, line boring operation. Wheel alignment: Checking the camber, caster, king pin inclination, toe in and toe out with optical aligner or computerized wheel aligner. Wheel balancing: Balancing of wheels by computerized wheel balancing machine. F. I. P Calibration and phasing: Setting the angle of fuel delivery, calibration of fuel quantity by FIP calibrating machine. Brake testers: Testing of brakes. Testing auto electrical components: Testing with growler. Testing and checking of spark plugs. Testing of ignition coil. Checking of dwell angle and rpm. MU 708 MECHANICAL ENGINEERING LABORATORY 1. Tests on reciprocating air compressor. 2. Tests on blowers and rotary compressors. 3. Vibration of springs – free and forced vibrations. 4. Whirling of shafts. 5. Balancing of reciprocating and revolving masses – balancing machines. 6. Tests on universal governor apparatus. 7. Tests on gyroscope. 8. Friction in hydrodynamic bearings – bearing testing machines. 9. Tests on universal governor apparatus. 10. Tests on gyroscope. 11. Friction in hydrodynamic bearings – bearing testing machines. 12. Metallurgical analysis of specimens using metallurgical microscope.

13.Testing of foundry sands for strength, moisture content, permeability, etc. 14. Determination of minimum fluidizing velocity in a conventional fluidized bed.