पूर्वोत्तर क्षेत्रीय विज्ञान एवं प्रौद्योगिकी संस्थान
North Eastern Regional Institute of Science and Technology
Deemed university under MHRD, Govt.of India
Nirjuli - 791109, Arunachal Pradesh
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Base in Mechanical Engineering

Programme Educational Objectives (PEOs):

  • Our graduates will have sufficient understanding of the fundamentals of Mechanical Engineering to establish themselves as professionals in the chosen industry.

  • Our graduates will be equipped with analytical and critical skills for a continued life-long learning, teaching and research.

  • Our graduates will have good communication skill, teamwork, awareness of professional ethics and social issues to enable them to contribute effectively in their professional career and social development.

Programme Outcomes (POs):

  • An ability to apply knowledge of graphical concepts, governing equations and mathematics to solutions of problems associated to the discipline

  • An ability to analyze a problem, formulate and implement solutions based on mathematics and engineering science.

  • An ability to work effectively as an individual as well as a member of a team and provide technical and visionary leadership to others.

  • An ability to apply ethical and legal principles of the engineering practice and an awareness of social issues and responsibilities.

  • An ability to communicate effectively on engineering topics with a range of engineering community in particular and society in general

  • Awareness of the requirement of and ability to engage in continuing professional development.

  • An ability to learn and use modern tools and techniques for computing practice.

  • An ability to conduct investigation of complex problems using research-based knowledge and methods.

  • An understanding of the impact of computer engineering solutions to society and environment.

  • An ability to apply management principles in multidisciplinary projects .

COURSE STRUCTURE AND SYLLABI

Department:Mechanical Engineering

Programme: Base in Mechanical Engineering

Year I Semester I
Course Code Course Title L T P C
ES1151 Engineering Drawing 0 0 6 3
ES1152 Workshop Practice 0 0 8 4
Year I : Semester II
Course Code Course Title L T P C
ME1251 Mechanical Drawing 1 0 4 3
ES1200 Basic Electrical & Electronics Engineering 4 0 2 5
Year II Semester I
Course Code Course Title L T P C
ME2101 Mechanical Sciences 3 0 0 3
ME2151 Materials & Shop Theory 2 0 6 5
ME21** Trade Theory – I 3 0 0 3
ME21** Trade Theory – II 3 0 0 3
ME21** Trade Practice – I 0 0 4 2
ME21** Trade Practice – II 0 0 6 3
Year II : Semester II
Course Code Course Title L T P C
ME2201 Engineering Mechanics 4 1 0 5
ME2202 Machine Maintenance 3 0 2 4
ME22** Trade Theory – III 3 0 0 3
ME22** Trade Practice – III 0 0 4 2
ME22** Trade Practice – IV 0 0 4 2
ME2279 Vocational Training # - - - 2

COURSE CONTENTS

ES 1151 Engineering Drawing : 3 Credits (0-0-6-3)
Unit I Drafting Principles; Manipulation and use of drawing equipments and instruments; Lines, lettering and dimensioning.
Unit II Geometrical Drawing: Construction of diagonal Scales. Geometrical drawing of regular polygons, Ellipse, parabola, hyperbola and various engineering curves like cycloid, epicycloids, hypocycloid, involutes, logarithmic spirals etc.
Unit III Projections - First angle & third angle projections; Orthographic and oblique projections; Projections of points, Straight lines, planes and solids.
Unit IV Sectional views: Sections of solids. Half section, full section and skin section views; sectional views of intersection of surfaces.
Unit V Surface development : Development of surfaces like box, cylinder, cone, pyramids etc
Unit VI Civil and electrical Engineering drawing : Introduction to building drawing & Electrical circuit drawing; Symbols

Text/References:

1. Elementary Engineering Drawing - N.D. Bhatt, Charotar Publishing House
2. Engineering Drawing practice for schools and colleges (SP:46-1988)
3. Machine Drawing - N. Siddeswar , et.al., TMH

ES 1152 Workshop Practice : 4 Credits (0-0-8)

(Carpentry 0-0-2; Fitting 0-0-2; Sheet Metal/machine shop 0-0-2; Welding 0-0-2)

Semester II
Unit I Introduction to safety aspects in workshop and different tools (functions, types and specifications) used in different shops.
Unit II Carpentry Shop :Introduction to woodworking, kinds of woods,            hand    tools and wood working machines etc.; Simple joints and        wood   turning.
Unit III Fitting Shop :Introduction to fitting shop tools(functions, types and        specifications), equipment and operations. Fitting jobs.
Unit IV Sheet Metal/Machine Shop :Sheet metal tools(functions, types and        specifications) and sheet metal jobs/ Familiarization of lathe, shaper          & milling machines. Demonstration of machine tool operation.
Unit V Welding Shop: Introduction to gas and arc welding tools, equipments and processes. Soldering, brazing and welding Practice.          Job preparation by welding.

Text/References:

1. Workshop Technology, Hazra Choudhury, MPP

ME 1251 Mechanical Drawing : 3 Credits (1-0-4)
Unit I Introduction to I.S. Codes, limits, fits and tolerances; conventional  drawing symbols, surface finish, materials, abbreviations in drawing, machine components, welding symbols, instruments symbols, etc.,                                                              3 lectures
Unit II Isometric and orthographic projections. Missing views. Surface           development. Free hand sketching.                                        3 lectures
Unit III Assembly elements: screw threads, bolts & nuts, studs, screw, keys,    springs, etc.,                                                                           3 lectures
Unit IV Sectional views-half, full, partial, and aligned sectioning, Parts         listing; drawing vs. manufacturing processes, reading of drawing,             study of machine drawings, automobile parts, etc.,                                       3 lectures

Text/References :

  1. Machine Drawing - K.L. Narayana, New Age
  2. Machine drawing - N. Siddeswar, et.al., Tata McGraw Hill
  3. Production Drawing - K.L. Narayana, New Age
ME 2101 : Mechanical Sciences : 3 Credits (3-0-0)
Unit I Definitions & Applications of Refrigeration & Air Conditioning.             Concept of system, boundary and surroundings, Concept of           equilibrium state; Internal and external energy, sensible & latent heat, work done, Enthalpy & entropy. Representation of enthalpy, entropy in graphical forms, use of p-h Charts, reading p-h charts             for property estimation and process representation.                                                 5 lectures
Unit II Introduction to psychrometry and psychrometric properties : moist        air, vapour and gases, Dalton’s law of partial pressure, absolute humidity, specific humidity, degree of saturation, relative humidity, dry bulb temperature, wet bulb temperature, dew point temperature,            wet bulb  depression, dew point depression, enthalpy of moist air, adiabatic saturation temperature, introduction to psychrometric chart and psychrometers.                                                                6 lectures
Unit III Automobile and its development, General classification of          Automobiles, Layout of an automobile, main components and    assemblies of automobiles. Tools and Gauges used in automobiles,   Fasteners and Gaskets.                                                          6 lectures
Unit IV Introduction of I.C. engine and Steam engine, operating principle of             CI engine and SI engine, Two stroke and four stroke engine for             petrol and diesel engines, comparison between SI engine and CI     engine, valve timing diagram. Automobile fuels & their    characteristics. 5 lectures
Unit V Introduction to various machine tools, Machine tool classifications, specifications etc. Principles of metal cutting and machine tools –   Lathe, shaping machine, milling machine, Grinding machines &            drilling machines (Brief functions, types, operations, major parts/components/systems).                                                   9 lectures
Unit VI Carpentry: Selection of timber for different types of wood works,   Seasoning of timber, Methods of seasoning, Common defects in          timber, Qualities of good timber, Market sizes of timber. Auxiliary         materials used in carpentry: nails, dowels, screws, bolts, nuts, glue,      paints, varnishes, etc.                                                             5 lectures
Unit VII Various metal forming processes: Drawing, Extrusion; Engraving             and embossing; Piercing, Blanking and Coining; Upsetting, bending             & stretching; Simple calculations on metal forming processes. Sheet metal operations : Cutting (manual & mechanical); Joints; Riveting and soldering; Design & development of sheet metal jobs;    Ducts & exhaust systems and other examples : design and manufacture.                                                                          6 lectures
Text/References:
  • 1. Refrigeration & Air conditioning – Anatharaman, TMGH
  • 2. Basic refrigeration – Dosat, MGH
  • 3. Refrigeration and air conditioning – Arora, TMGH
  • 4. Automobile engineering - G.B.S.Narang, DhanpatRai& Sons
  • 5. Automobile engineering (Vol I & II) - Kirpal Singh, Standard Publishers
  • 6. Workshop Technology (Vol II), HazraChoudhury, MPP
ME 2151 Materials and Shop Theory : 5 Credits (2-0-6)

(Practice : Machine Shop / Pattern making / Smithy – 2 hrs each)

Unit I Engineering Materials: Classification of materials, general properties       of material. Ferrous material, system of designation of Iron and steel, IS codes, specification of structural /heat treatable steels. Standard sizes of hot rolled products, symbolic designation of essential properties of materials (I.S. practice), Tool and Die steels, color codes of steel. 6 lectures
Unit II Non-ferrous material, Copper and its alloys, color code for copper alloys (IS 2376-1963), Aluminum and its alloys. Zinc and its alloys. Standard sizes and shapes of materials available in the market as per       IS codes. Other standard practices like, ASME, BIS. Demonstrations            of Estimating engineering properties of materials. Non metals and             their applications in engineering practices; Engineering Plastics, their properties and applications, IS codes for plastics. Fibers; Ceramics and composites.                                                     9 lectures
Unit III Introduction to safety measures in workshops; Different types of      cutting tools used in different machine tools; Tool geometry.
Construction & operation of machine tools. Selection of cutting    speeds             and feeds etc. for basic machine tools e.g., lathe, drilling machine, shaping machine, milling machine and grinding machine. Shop calculations.                                                                 
7 lectures
Unit IV Machine shop (2 hrs) : Principal parts of tool, tool geometry, Demonstration on lathe m/c: Various parts & its functions, job & tool holding procedure, operational aspects etc., Simple jobs on center lathe involving plain turning, step turning, taper turning and facing. Practice in shaping machine, drilling machine, milling machine and grinding machine. Different types of lathe operations. Calculation of cutting speed, material removal rate and machining time for lathe, drill and shaping machines.Unit IV  
Pattern making (2 hrs: Introduction to pattern making, Practice on pattern making, Core box making, solid pattern, split pattern.  
Foundry, Forging & Smithy shop (2 hrs): : Introduction to foundry tools & equipments, Practice on melting, moulding and Core making, Sand casting methods: casting of given items, Grain Fineness Number and Permeability Number determination. Smithy : Simple jobs, different tools-their uses, standard material available for smithy works etc. Manufacturing chisel and Hexagonal bolt, Chain link manufacture. Practice in forging operation drawing, upsetting, swaging punching and bending  
Unit I Mechanics and its relevance to engineering; inertia and moving     frames             of reference; Free Body Diagram; Internal and External           forces; Force systems; laws of Mechanics; Concept of moment, equilibrium principle; Equilibrium of concurrent and co planer force systems;             equilibrium of bodies in space. Tutorials.                          11 lectures
Unit II Simple structures: Types of structures, Supports & reactions; Analysis of structures: Method of Joints, Method of Sections. Forces   in members of a frame. Tutorials.                                         8 lectures
Unit III Static Analysis of systems with friction : Friction and impending motion, Wedge friction; Rolling resistance, Sliding and Rolling of cylinders. Friction in motion analysis; Friction in belt-pulley system; Wheel friction in automobiles; Friction in road skates & ice skates. Tutorials.                                                                                9 lectures
Unit IV Area, mass & volume distribution of matter; Centroid, centre of     mass, centre of gravity and centre of volume; Concepts of first   moments and second moments; Centroid of length, centroid of an area and centroid of a volume, Theorem of Pappus and Guldinus, Moment of Inertia: parallel axes theorem and perpendicular axis theorem. Moment of inertia of composite sections. Tutorials.                                   9 lectures
Unit V Kinematics of Rigid Body: Types of motion, fixed axis rotation,   plane motion of a rigid body, resolution and composition method of velocity analysis; Instantaneous centre of rotation, relative velocity and acceleration for points on a rigid body. Coriolis acceleration &Gyroscopes; Tutorials.                                                           9 lectures
Unit VI Dynamics of a Rigid Body: D’Alembert’s principle, translation of a           rigid body, rotation of a rigid body about a fixed principal axis, plane motion of a rigid body, general motion of a rigid body. Projectiles and SHM; Impact of Two Bodies: Co-efficient of restitution, plane             centre of collision, collision of a small body with massive body.   Work power and energy principles. Tutorials.                                                   10 lectures
Text/References:
  • 1. Elements of Workshop Technology, Vol I & II, Hazra, Choudhury, MPP
  • 2. Shop Theory – Anderson, McGraw Hill
  • 3. Westerman Tables : Metals - Jutz – Scharkus, New Age Publishers
  • 4. Engineering Material – B. K. Agarwal, TMH
ME 2201 Engineering Mechanics : 5 Credits (4-1-0)
Unit I Mechanics and its relevance to engineering; inertia and moving     frames             of reference; Free Body Diagram; Internal and External           forces; Force systems; laws of Mechanics; Concept of moment, equilibrium principle; Equilibrium of concurrent and co planer force systems;             equilibrium of bodies in space. Tutorials.                          11 lectures
Unit II Simple structures: Types of structures, Supports & reactions; Analysis of structures: Method of Joints, Method of Sections. Forces   in members of a frame. Tutorials.                                         8 lectures
Unit III Static Analysis of systems with friction : Friction and impending motion, Wedge friction; Rolling resistance, Sliding and Rolling of cylinders. Friction in motion analysis; Friction in belt-pulley system; Wheel friction in automobiles; Friction in road skates & ice skates. Tutorials.                                                                                9 lectures
Unit IV Area, mass & volume distribution of matter; Centroid, centre of     mass, centre of gravity and centre of volume; Concepts of first   moments and second moments; Centroid of length, centroid of an area and centroid of a volume, Theorem of Pappus and Guldinus, Moment of Inertia: parallel axes theorem and perpendicular axis theorem. Moment of inertia of composite sections. Tutorials.                                   9 lectures
Unit V Kinematics of Rigid Body: Types of motion, fixed axis rotation,   plane motion of a rigid body, resolution and composition method of velocity analysis; Instantaneous centre of rotation, relative velocity and acceleration for points on a rigid body. Coriolis acceleration &Gyroscopes; Tutorials.                                                           9 lectures
Unit VI Dynamics of a Rigid Body: D’Alembert’s principle, translation of a           rigid body, rotation of a rigid body about a fixed principal axis, plane motion of a rigid body, general motion of a rigid body. Projectiles and SHM; Impact of Two Bodies: Co-efficient of restitution, plane             centre of collision, collision of a small body with massive body.   Work power and energy principles. Tutorials.                                                   10 lectures

Text/References:

  • 1. Statics and dynamics - Merium&Kraige, John Wiley & Sons
  • 2. Engineering Mechanics – Timoshenko and Young, Tata McGraw Hill
  • 3. Engineering Mechanics – Shames, PHI, New Delhi
  • 4. Engineering Mechanics – R.K. Bansal, Laxmi Publication.
ME 2202 Machine Maintenance : 4 Credits (3-0-2)
Unit I Introduction to maintenance engineering, repair cycle and repair complexity. Importance of maintenance, classification of machine tools based on maintenance.                                            6 lectures
Unit II Periodic maintenance of some lathe and other machine tool   components, like, headstock, tool post, tailstock, apron mechanism, lead screw with half nut, Electrical and control systems.    9 lectures
Unit III Periodic maintenance of some other parts, like, pawl and ratchet mechanism, quill mechanism, chuck, vice.                          6 lectures
Unit IV Troubleshooting of machine tools.                                      5 lectures
Unit V Pumps, compressors, Engines, valves, piping systems and their        maintenance. Maintenance and repairing of equipments and       instruments.                                                                          6 lectures
Unit VI Lathe accessories, drilling machine, vices, etc.                   Practice: Disassembly, maintenance and assembly of machine parts as per given specification by groups of students. Fabrication of small components for maintenance of machine parts.    10 lectures
Text/References:
  • 1. Industrial Maintenance - H.P Garg, S. Chand & Co
  • 2. Elements of workshop technology, Vol II – Hazra, Choudhury, MPP
  • 3. Machine Operation and Maintenance Manual, HMT, TMH
  • 4. Plant engineering Handbook – Staniar, MGH
ME 2279 : Vocational Training : 2 Credits

This course is meant to familiarize the environment in which the students have to take up jobs/own business. Students will complete Vocational training of 2 weeks duration, during winter break at the end of second year first semester at places identified by the institute/department. On completion of the training, students will prepare a concise report and submit the same along with the training diary and a copy of the certificate to the departmental counselor of T & P as instructed. The same is to be presented as notified by T & P Counselor.

Introduction to maintenance engineering, repair cycle and repair complexity. Importance of maintenance, classification of machine tools based on maintenance.