B.Tech (Seventh Semester) Mechanical Engineering
ME 401 E Automobile Engineering
L T P/D Total. Theory : 100 marks
4 1 5 Sessional : 50 marks
Duration of Exams. : 03 hours
UNIT I
Brief history of automobiles, Main components of an automobile, Brief description of each component
Brief description of constructional details and working of a four stroke I.C. Engine (S.I. Engines and C.I. Engines) including lately developed overhead cam shaft, Multi-cylinder engines, Introduction to recent developments in I.C. Engines- Direct injection systems, Multi-point fuelinjection systems, Microprocessor based fuel supply systems, Multi valve engines, Mechanical balancing, Firing Order, Power balancing, Power overlap, Power flow charts.
Introduction, Brief description of different components of Transmission System.
Clutch
Introduction to Clutch and its different types, Principle ofFriction Clutch, Clutch Lining and friction materials used in FrictionClutches, Torque transmitted, Brief description of Cone Clutch,Single Plate and Multiplate Clutches, Dry and wet clutches,Automatic clutch action, Centrifugal clutches, Electromagnetic
clutches, Fluid Flywheel.
clutches, Fluid Flywheel.
UNIT II
Gear Box
Air resistance, gradient resistance and rolling resistancecoming across a moving automobile, Tractive effort, Variation oftractive effort with speed, Performance curves (object and need of agear box), Sliding mesh gear box, Control mechanism, Sliding typeselector mechanism, Ball type selector mechanism, Steering column
gear shift control, Constant mesh gear box, Synchromesh device,Automatic transmission in general, AP automatic gear box, Torqueconverter, Torque converter with direct drive, Lubrication of GearBox.
gear shift control, Constant mesh gear box, Synchromesh device,Automatic transmission in general, AP automatic gear box, Torqueconverter, Torque converter with direct drive, Lubrication of GearBox.
Propeller Shaft:
Functions and requirements of a propeller shaft,Universal joints, Constructional forms of universal joints, Flexible-ringjoints, Rubber-bushed flexible joints. Constant-velocity joints.
Differential:
Principle of operation, Constructional details of a typical Differential unit, Traction control differentials, Multi-plate clutch typetraction control device, The back axle:
Live back axles, The final drive, Single reduction live axles Torque reaction, Driving thrust, Torque and thrust memberarrangements Springs serving as torque and thrust member,Hotchkiss Drive with torque reaction member, Single combinedtorque-thrust reaction member, with springs taking only vertical andlateral loads
UNIT III
Running System
Wheels and rims, Tyre-its function and constructional details.
Brakes:
Functions and methods of operation, Brake efficiency. Elementary theory of shoe brake, brake shoe adjustments, A modern rear-wheel brake, Disc brakes, Brake linkages, Leverage andadjustment of the brake linkage, Servo- and power-operated brakes, Vacuum brake operation,' Hydraulic Brakes-constructional details and working, Bendix Hydrovac, Direct-action vacuum servos, Power-operated brakes, A dual power air brake system,
Suspension system
Suspension principles, Road irregularities and human susceptibility, Suspension system, Damping, Double tube damper, Single tube damper, Lever arm type damper, Springs-Leaf springs, Coil and torsion springs, variable rate springs, Composite leaf springs, Rubber springs,Air springs, Adjustable and self-adjusting suspensions, Interconnected suspension system, Interconnected air and liquid suspensions, Independent suspension system, Different independent suspension layouts, McPherson strut type, Rear suspension-live axle, McPherson strut rear suspension.
UNIT IV
Steering Mechanism
Steering geometry, Castor, Camber, Kingpin inclination, Combined angle, Toe-in, Steering system-basic aims, Ackerman linkage, Steering linkages for independent suspension, Center point steering, Costarring or trailing action, Cornering power, Self-righting torque, Steeringcharacteristics-over steer and under steer, Axle beam, Stub-axle construction, Steering column, Reversible and irreversible steering, Rack-and-pinion steering mechanism, Effect of toe-in on steering, Power steering, Vickers System.
Recent trends in automobile engineering
Multi fuel automobiles, Automobiles running on alternate sources of energy, Emission control through catalytic converter, Double catalytic converter, Aspects of pollution control in Automobiles.
Reference and Text Books:
1. The Motor Vehicle
- By Newton, Steeds and Garretle Basic
2. Automobile Engineering
- By Kirpal Singh
3. Automobile Engineering *'
-By K.M. Gupta, Umesh Publications
4. Automotive Mechanics
- Grouse
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 403 E Measurements and Control
L T P/D Total Theory : 100 marks
4 1 5 Sessional : 50 marks
Duration of Exams. : 03 hours
UNIT I
Introduction:
Definition, application of measurement instrumentation, functional elements’ of a generalized measuring system, measuring standards, types of measurement, types of input to measuring instruments and instrument system, classification of measuring instruments, merits and demerits of mechanical measuring systems, comparison of mechanical measuring system with electrical measuring systems, calibration.
Introduction, types of error, types of uncertainties, propagation of uncertainties in compound quantity, Static performance parameters: accuracy, precision, resolution, static sensitivity, linearity, hysteresis, dead band, backlash, and drift., sources of error, selection of a measuring instruments, mechanical and electrical loading,
UNIT II
Fundamentals of dynamic characteristics, generalized mathematical model of measuring systems, types of input, dynamic performance parameters: dynamic error, speed of response etc, dynamic response of a first order mechanical systems with different inputs e.g. step, ramp, sinusoidal and impulse input
Introduction, types of measuring data, statistical attributes, various method of presentation, estimation of presentation and uncertainties, confidence level, precision and statistical treatments of single and multi sample type experimental data, Chauvenet's criteria of rejecting adubious data, curve fitting, best linear calibration and its precision, significant figures and rounding off. Overall uncertainty estimation of measuring systems, common sense approach, and engineering applications.
UNIT III
Introduction, primary function, classification, electrostatic transducers: principle theory, types, advantages, and limitations, Fixed contact mechano-resistive transducers: classification, and uses, Metallic resistance strain gauge: types, construction theory of operation, Adhesive: property, selection criteria, mounting of strain gauges, Mathematical analysis of ballast and DC Wheatstone bridge circuits
Characteristic and comparison of ballast and DC Wheatstone bridge circuits, temperature effects and their compensation
Measurement of load, force, and thrust using resistant strain gauges, Elastic load cells, proving rings, fluid pressure measurement in pipe and containers, using strain gauges, Measuring of torque in transmission shaft under axial and bending loads in varying ambient conditions.
UNIT IV
Introduction, classification of control systems, control system terminology, servomechanism, process control and regulators, Manual and automatic control systems, physical systems and mathematical models, linear control systems, Laplace transform, transfer function, block diagram, signal flow graphs, system stability, Time and frequency domain.
Introduction, functional operation, desirable characteristics of hydraulic fluids, hydraulic control systems: hydraulic pump, hydraulic control valve, Pneumatic control systems: pneumatic nozzle, relay, advantages and limitation of such control systems.
Reference and Text Books:
1. Mechanical measurements & control
- By D.S. Kumar, Metropolitan book
2. Instrumentation and Mechanical measurements
- By A.K. Tayal, Galgotia Publ.
3. Measurements systems application and design
-By Ernest Doebelin, McGraw-Hill
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 405 E Statistical Quality Control and Reliability
L T P/D Total Theory : 100 marks
4 1 5 Sessional : 50 marks
Duration of Exams. : 03 hours
UNIT I
Quality-Basic Concepts: Issues in Quality, factors affecting quality, creating quality by design, product development cycle, economics of quality, Various definitions, ISO definition of quality and its meanings, and various phases till TQM and its meaning to industries, customers and employees, contribution of quality gurus etc. towards quality concepts. Total Quality Management: its scope, application andimplementation. Quality Circle: its objectives, structure and techniques. Variability concept in manufacturing-cycle, fishbone diagrams, charts in time philosophy
UNIT II
Basic statistical concepts, various types of distributions, General theory X and R chart. Decision preparatory to the control charts. Trial control limits. Selection of subgroups. Charts with variable subgroups, Reject and Revoke, limits for average on X charts, modified control limits, specification limits, practical limitations. Control charts for fraction defectives, calculation and plotting of control limits, sensitivity of p chart, applications. Control charts for Defects, difference between defect anddefective, calculation and plotting of control limits, applications, pi charts and u charts, plotting of charts. Tests of various control charts. Process capability- inherent and potential capability.
UNIT III
Purpose of Acceptance by Attributes, Single sampling plans. O.C. curve, selection of sampling plans, Acceptance number, Type A and Type B, O.C. curves, Double sampling plan and its analysis, Multiple and sequential sampling, A.O.Q.L, Acceptance sampling plans under risk. Design of various sampling plans, Dodge-Roming type system for acceptance sampling by attributes (use of various tables). Determination of process average, Acceptance sampling by variables.
UNIT IV
C ontrol of reliability, factors affecting reliability, pattern of failure, mean time to failure, Fundamental of statistical concepts, consideration of reliability in series and parallel system, effect of redundancy andreliability, method of reliability evaluation, reliability optimization, Availability and Maintainability, means to improve reliability, reliability control during manufacture.
Reference and Text Books: 1. Statistical Quality Control - By Grant and Leaven, McGraw-Hill
2. Quality Control and Reliability - By Mahajan, Dhanpat Rai.
3. Quality Control -By Hansen, Prentice- Hall
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Seventh Semester) Mechanical Engineering
B.Tech. (Seventh Semester) Mechanical Engineering
ME 407 E Measurement and Control (Practical)
P/D Total Practical : 25 marks
2 2 Sessional : 50 marks
Duration of Exams. : 03 hours
List of Experiments
- Study of a strain gage based cantilever beam and measurement of strainon the beam
- Study of a LVDT and measurement of linear displacement
- Study of an inductive pick up and measurement of linear displacement
- Study of a LDR and measurement of linear displacement
- Study of capacitive pick up and measurement of angular displacement
- Study of temperature transducers and measurement of temperature of fluid
- Study of a LVDT (strain gage based) and measurement of lineardisplacement.
- Study of a torque pick up and measurement of torque .
- Study of a pressure pick up and measurement of pressure of fluid.
- Study of load cell and measurement of load with load cell
- Study of non-contact type speed pick up and measurement of rotationalspeed
- Comparison of sensitivity of thermocouple, thermister and RTD
Note: Total Ten experiments must be performed. At least eight experiments should be performed from the above list. Remaining two experiments may either be performed from the above list or outside the list.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 409 E Project I
P/D Total Viva voce : 75 marks
7 7 Sessional : 100 marks
Duration of Exams. : 03 hours
The students expected to take up a project under the guidance of teacher from the college. The project must be based on mechanical engineering problems, which can be extended upto the full academic session. The students amy be asked to work individually or in a group not more than four students in a group. Viva- voce must be based on the preliminary report submitted by students related to the project.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 411 E Seminar
P/D Total
2 2 Sessional : 50 marks
Student will give a talk on some technical topics.
Note: The seminar will continue in eighth semester and will be evaluated in eighth semester.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 413 E Practical training report
P/D Total
- - Sessional : 75 marks
Duration of Exams. : 03 hours
Student will submit summer training (about 8 weeks industrial training) report for his/her assessment.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 419 E ADVANCED MANUFACTURING TECHNOLOGY
L T P/D Total Theory : 100 marks
4 I _ 5 Sessional : 5O marks
Duration of Exams. : 03 hours
UNIT I
Hot machining, Machining of Plastics, Unit heads, Plastics cooling, electro forming, Surface Cleaning and Surface Treatments, Surface Coatings, Paint Coating and Slushing, Adhesive Bonds, Adhesive Bond Joints, Adhesives, Surface Coating for Tooling, Graphite Mould Coating, Vacuum Mould Process.
Introduction, Types of Composites materials, Agglomerated Materials, Reinforced materials, Laminates, Surface Coated Materials, Production of Composite Structures, Fabrication of particulate composite Structures, Fabrication of reinforced Composite, Fabrication of Laminates,Machining, Cutting and Joining of Composites.
UNIT II
Introduction, Polymers, Polymerization, Addition of Polymers, Plastics, Types of plastics, Properties of Plastics, Processing of Thermoplastic Plastics, Injection Moulding, Extrusion Process, Sheet forming processes, Processing of Thermosetting Plastics, Compression Moulding, Transfer Moulding, Casting of Plastics, Machining of plastics, other processing methods of plastics
Introduction, casting, thread chasing, Thread Rolling, Die Threading and Tapping, Thread Milling, Thread Measurement and Inspection
UNIT III
Theoretical basis of metal forming, classification of metal forming processes, cold forming, hot working, Warm working, Effect of variables on metal forming processes, Methods of analysis of manufacturing processes, Open Die forging, Rolling Power Rolling, Drawing, Extrusion.
UNIT IV
Introduction, Product Application, Limitation of Die Casting, Die Casting Machines, Molten metal Injection systems, I lot chamber machines, Cold chamber machines, Die casting Design, Design of Die casting Dies, Types of Die casting Dies, Die design, Die material, Die Manufacture, DieLubrication and Coating, Preheating of Dies, Vacuum Die Casting, Recent trends In Die Casting Process.
Definition, Cost accounting or costing, Elements of costing, cost structures, Estimation of cost elements, Methods of estimating, Data requirements of cost estimating, Steps in making cost estimate, Chief factors in cost estimating, Numerical examples, calculation of machining times, Estimation of total unit time.
Reference and Text Books:
1. Principles of Manufacturing
- By J.S.Campbell, Tata McGraw-Hill
2. Production Engineering Sciences
- By Pandey and Sinh Standard Pub.
3. A text book of Production Technology
- By P.C. Sharma S.Chand & Company.
4. Manufacturing Materials and Processes
- By Lindberg Prentice Hall
5. A text book of Production Engineering
- By P.C. Sharma S.Chand & Company.
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
ME 435 E RENEWABLE ENERGY RESOURCES
L T P Total Sessional : 50 marks
4 1 5 Theory: 100 marks
Duration of Exam : 3 hrs.
UNIT-I
Introduction and Essential of Fluid Mechanics and Meat Transfer Fundamentals and scientific principles of renewable energy resources, technical and social implications, Bernoulli's, equation, conservation of momentum, viscosity, turbulence, friction and pipe flow, heat circuit analysis and terminology, conductive, convective and radiative heat transfers, properties of transparent materials, heat transfer by mass transport, multimode heat transfer and circuit analysis, problems.
UNIT-II
Extraterrestrial solar radiation, components of radiation, geometry of earth and sun, geometry of collector arid the solar beam, effects of earth's atmosphere, measurements of solar radiation, calculation of heat balance for a solar collector, type of water heaters, selective surfaces, crop heaters, space heating, space cooling, water desalination, solar ponds, solar concentrators, electric powersystem, problems.
Introduction, the silicon p-n junction, photon absorption solar radiation input, photovoltaic circuit properties and loads, limits to cell efficiency, solar cell construction type and adaptations ofphotovoltaic, other types of photoelectric and thermo electric generation, problems.
UNIT III
Principles of hydro power, assessing the resource for small installations, an impulse turbine, reaction turbines, hydro electric systems, the hydraulic rain pump, wind turbine types and terms, linear momentum and basic theory, dynamic matching, steam tube theory, characteristics of the wind, power extraction by a turbine, electricity generation, mechanical power, problems.
Introduction, tropic level photosynthesis, photosynthesis at the plant level, thermodynamic considerations, photosynthesis, molecularlevel photosynthesis, synthetic photosynthesis, bio fuel classification, bio-mass production for energy farming, direct combustion for heat, pyrolysis (destructive distillation), alcoholic fermentation, anaerobic digestion for bio-gas, agrochemical fuel extractions, problems.
UNIT IV
Introduction, wave motion, wave energy and power, ;wave patterns, devices, the causes of tides, enhancement of tides flow power, tidal range power, world range power sites, problems.
Principles of Ocean Thermal Energy Conversion (OTEC), heal exchangers, pumping requirements, other practical considerations, introduction to geothermal energy, geophysics, dry rock and hotaquifer analysis, harnessing geothermal resources, problems.
Text Books: Renewable Energy Rsources by John W. Twidell and Anthony D. Weir, published by E.& F. N. Spon Ltd.Lndon.
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
B.Tech. (Seventh Semester) Mechanical Engineering
ME 437 E MAINTENANCE ENGINEERING
LT P Total Sessional : 50 marks
4 1-5 Theory : 100 marks
Duration of Exam : 3 his.
UNIT I
Evolution of maintenance, objective of maintenance, maintenance policies and philosophies, maintenance concept, maintenance management & terotechnology, relationship with other functional areas, importance of maintenance, elements of good maintenance, economics of maintenance, training and safety aspects in maintenance.
Classification of maintenance programs, corrective preventive and predictive maintenance, comparison of maintenance programs, preventive maintenance-concept, functions, benefits, limitations.
UNIT II
Objectives, what to monitor, when to monitor, principles of CBM, condition based maintenance techniques, manual inspections, performance monitoring, vibration monitoring, current monitoring, coil debris/spectroscopy, thermography and corrosion monitoring, steps in implementation of CBM, benefits of CBM.
RCM logic, maintenance and RCM, benefits of RCM, total productive maintenance (TPM), introduction, key supporting elements of TPM, methodology, evaluation and benefits.
UNIT III
Purpose and challenges: Techniques, visual aids-boroscopes, endoscopes, fiber optics scanners, magnetic particles inspection, liquid penetrants, eddy current, ultrasonic radiography, selection of NDT technique, metrits/demerits and applications of various techniques.
Basic ingredients, basic steps in maintenance management, maintenance planning and control system, documentation, maintenance-productivity areas for improvement
UNIT IV
Techniques for improvement of operational reliability, safety and availability of machines and production systems, maintainability criteria, checklist to assess the maintainability of a system,maintainability programs, objectives, key issues in availability improvements program, fault diagnosis, Pareto principle Ishikawa diagram.
Data processing systems for integrated maintenance, maintenance information and reporting systems.
Text Books:
1. Maintenance Planning and Control by Higgin L.R., McGiaw Hill Book Co.,
1900.
2. Maintenance Planning and Control by Kelly Anthony, East West Press
Private Ltd, New Delhi, 1991.
3. Maintainability principle and practices by Blanchard B.S. and Lowey E.E.
McGrawHill Book co.
4. Practical NOT by Raj B. Jaya Kumar T and Thavasimulyi K., Narora Publishing
House, New Delhi, 1996.
5. Engineering Maintenance Management by Niebel Benjamin W. Marcel Dekher,
1994.
NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.
No comments:
Post a Comment