courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :QR videos
courtesy :NIMI
courtesy :NIMI
courtesy :NIMI
courtesy :NIMI
courtesy :NIMI
Employability Skills - 1st Year
 - (Set - 1) (2504).png)
Welder (Fabrication & Fitting) - (Set - 1)
 - (Set - 2) (2504).png)
Welder (Fabrication & Fitting) - (Set - 2)
 - (Set - 3) (2504).png)
Welder (Fabrication & Fitting) - (Set - 3)
| S.No. | Week No. / Chapter | Topics | Videos Link |
|---|---|---|---|
| 1 | 1 Week | Importance of trade Training. General discipline in the Institute | https://www.youtube.com/watch?v=zDXhQFBgLTQ |
| 2 | 1 Week | Elementary First Aid. | https://www.youtube.com/watch?v=X9AaTk8YlVM |
| 3 | 1 Week | Importance of Welding in Industry | https://www.youtube.com/watch?v=wXA-ULF8FEw |
| 4 | 1 Week | Safety precautions in Shielded Metal Arc Welding, | https://www.youtube.com/watch?v=rsBXTRJJvVA |
| 5 | 2 Week | Introduction and definition of welding. . | https://www.youtube.com/watch?v=0PYqceXZ2F8 |
| 6 | 2 Week | Gas Welding Equipments, tools and accessories | https://www.youtube.com/watch?v=BLRbYO3yAW4 |
| 7 | 2 Week | Arc Welding Equipments, tools and accessories | https://www.youtube.com/watch?v=zV16K4bI5hE |
| 8 | 2 Week | Various Welding Processes and its applications. | https://www.youtube.com/watch?v=_xPlocjTyas |
| 9 | 2 Week | Arc and Gas Welding terms and definitions. | https://www.youtube.com/watch?v=0upea4JIotE |
| 10 | 3 Week | Different process of metal joining methods: Bolting, riveting, soldering, brazing, seaming etc. | https://www.youtube.com/watch?v=FIjudBE1KnY |
| 11 | 3 Week | Types of welding joints and its applications. | https://www.youtube.com/watch?v=JhGYPvJYVQw |
| 12 | 3 Week | Edge preparation and fit up for different thickness. Surface Cleaning | https://www.youtube.com/watch?v=Bk16izPuN0g |
| 13 | 4 Week | Basic electricity applicable to arc welding and related electrical terms &definitions. | https://www.youtube.com/watch?v=qcOnF1ASzCU |
| 14 | 4 Week | Heat and temperature and its terms related to welding | https://www.youtube.com/watch?v=trTQfNZWSf4 |
| 15 | 4 Week | Principle of arc welding | https://www.youtube.com/watch?v=OJQra1bFmEQ |
| 16 | 4 Week | characteristics of arc | https://www.youtube.com/watch?v=1N-ilrraGZM |
| 17 | 5 Week | Common gases used for welding & cutting, flame temperatures and uses. - Chemistry of oxy-acetylene flame. - Types of oxy-acetylene flames and uses. - | https://www.youtube.com/watch?v=BVHhHnhdj-M |
| 18 | 5 Week | Oxy-Acetylene Cutting Equipment principle, parameters and application | https://www.youtube.com/watch?v=NgTGrMdJoks |
| 19 | 6 Week | Arc welding power sources: Transformer | https://www.youtube.com/watch?v=HymnC5Pdrn0 |
| 20 | 6 Week | Rectifier Set | https://www.youtube.com/watch?v=eDpFJ6IcH4E |
| 21 | 6 Week | Invertor type welding Machine | https://www.youtube.com/watch?v=5jaHASNoHZE |
| 22 | 6 Week | Advantages and disadvantages of A.C. and D.C. welding machines | https://www.youtube.com/watch?v=DZ6B8Ed2FLg |
| 23 | 7 Week | Welding positions as per EN &ASME : flat, horizontal, vertical and over head position. | https://www.youtube.com/watch?v=9qwbaWM7bzc |
| 24 | 7 Week | Weld slope and rotation | https://www.youtube.com/watch?v=Jl2WNI9cZls |
| 25 | 7 Week | Welding symbols as per BIS & AWS | https://www.youtube.com/watch?v=FbWo3QRJepI |
| 26 | 8 Week | Arc length – types – effects of arc length. | https://www.youtube.com/watch?v=urMbbw6dRpY |
| 27 | 8 Week | Polarity: Types and applications | https://www.youtube.com/watch?v=g8t93rfsDL4 |
| 28 | 8 Week | Weld quality inspection, common welding mistakes and appearance of good and defective welds | https://www.youtube.com/watch?v=DNcNX5wTxw0 |
| 29 | 8 Week | Weld gauges & its uses | https://www.youtube.com/watch?v=av3KU1dCfek |
| 30 | 9 Week | Calcium carbide properties and uses. | https://www.youtube.com/watch?v=X9Fi7QsqN98 |
| 31 | 9 Week | Acetylene gas properties and generating methods. - | https://www.youtube.com/watch?v=Sr76Cg8wMj0 |
| 32 | 9 Week | Acetylene gas Purifier | https://www.youtube.com/watch?v=LIQbIpr8uTo |
| 33 | 9 Week | Hydraulic back pressure valve | https://www.youtube.com/watch?v=PtYfiJi4YE0 |
| 34 | 10 Week | Oxygen gas and its properties | https://www.youtube.com/watch?v=-BfegIT7ClM |
| 35 | 10 Week | Production of oxygen by Air liquefaction | https://www.youtube.com/watch?v=rYDBASubIdk |
| 36 | 10 Week | Charging process of oxygen and acetylene gases | https://www.youtube.com/watch?v=9rmh3JXj8Zw |
| 37 | 10 Week | Oxygen cylinder, Dissolved Acetylene gas cylinders , Color coding for different gas cylinders | https://www.youtube.com/watch?v=4GK4S2ZCcv0 |
| 38 | 10 Week | Gas regulators, types and uses. | https://www.youtube.com/watch?v=Xy7LqRc7K5Q |
| 39 | 11 Week | Oxy acetylene gas welding Systems (Low pressure and High pressure) | https://www.youtube.com/watch?v=6e5PEUHqGGE |
| 40 | 11 Week | Difference between gas welding blow pipe(LP & HP) and gas cutting blow pipe | https://www.youtube.com/watch?v=LqbRJAJFvNc |
| 41 | 11 Week | Gas welding techniques. Leftward | https://www.youtube.com/watch?v=2EdakwNY4SE |
| 42 | 11 Week | Gas welding techniques. Rightwar | https://www.youtube.com/watch?v=p1p8EwrM8eY |
| 43 | 12 Week | Arc blow – causes and methods of controlling. | https://www.youtube.com/watch?v=ZyHOCDE23KQ |
| 44 | 12 Week | Distortion in arc & gas welding and methods employed to minimize distortion | https://www.youtube.com/watch?v=Cl8Ilbxa2jo |
| 45 | 12 Week | Arc Welding defects, causes and Remedies. | https://www.youtube.com/watch?v=_e-3PJXVfGU |
| 46 | 12 Week | Arc Welding defects, causes and Remedies. | https://www.youtube.com/watch?v=yjBhZ3rXpRg |
| 47 | 13 Week | Specification of pipes | https://www.youtube.com/watch?v=LH0I5DrwrXQ |
| 48 | 13 Week | various types of pipe joints | https://www.youtube.com/watch?v=wjlAFq3vKxs |
| 49 | 13 Week | pipe welding all positions, and procedure | https://www.youtube.com/watch?v=7663J0weqNA |
| 50 | 13 Week | Difference between pipe welding and plate welding | https://www.youtube.com/watch?v=9qwbaWM7bzc |
| 51 | 14 Week | Pipe development for Elbow joint, | https://www.youtube.com/watch?v=a2PTTiE8CHA |
| 52 | 14 Week | Pipe development “T” joint | https://www.youtube.com/watch?v=Ch8rWglV0jA |
| 53 | 14 Week | Pipe development Y joint | https://www.youtube.com/watch?v=ueCx6lmqJD4 |
| 54 | 14 Week | Pipe development for branch joint | https://www.youtube.com/watch?v=ZhbOH2LjfW8 |
| 55 | 14 Week | Manifold system | https://www.youtube.com/watch?v=ibUJYEu3cpU |
| 56 | 15 Week | Gas welding filler rods, specifications and sizes. | https://www.youtube.com/watch?v=iXi_lg9tO_4 |
| 57 | 15 Week | Gas welding fluxes – types and functions | https://www.youtube.com/watch?v=lDFasgWmMZQ |
| 58 | 15 Week | Gas Brazing & Soldering : principles, types fluxes & uses | https://www.youtube.com/watch?v=0v2SNH_ho08 |
| 59 | 15 Week | Gas welding defects, causes and remedies | https://www.youtube.com/watch?v=yjBhZ3rXpRg |
| 60 | 16 Week | Electrode types, functions of flux, coating factor, sizes of electrode | https://www.youtube.com/watch?v=3Y60QBc5jeg |
| 61 | 16 Week | Coding of electrode as per BIS, AWS | https://www.youtube.com/watch?v=ZDWyvLxMv4g |
| 62 | 16 Week | Effects of moisture pick up. - Storage and baking of electrodes | https://www.youtube.com/watch?v=B2w_CcHSZJo |
| 63 | 16 Week | Special purpose electrodes and their applications. | https://www.youtube.com/watch?v=B7WOw-sC9yo |
| 64 | 17 Week | Weldability of metals | https://www.youtube.com/watch?v=SYx9_K6Bwu8 |
| 65 | 17 Week | importance of pre heating, post heating and maintenance of inter pass temperature. | https://www.youtube.com/watch?v=Cs7NJlo5_ss |
| 66 | 18 Week | Classification of steel. - Welding of low, medium and high carbon steel and alloy steels. | https://www.youtube.com/watch?v=5LqDVx8P1Oc |
| 67 | 18 Week | Classification of steel. - Welding of low, medium and high carbon steel and alloy steels. | https://www.youtube.com/watch?v=pezRZmIb9ig |
| 68 | 19 Week | Effects of alloying elements on steel - Stainless steel : types- weld decay and weldability | https://www.youtube.com/watch?v=9Gqmxsdlhgs |
| 69 | 20 Week | Brass – types – properties and welding methods. | https://www.youtube.com/watch?v=HhegaIQ-gjE |
| 70 | 20 Week | Copper – types – properties and welding methods. | https://www.youtube.com/watch?v=xzaV7MD3cy4 |
| 71 | 21 Week | Aluminium and its alloys, properties and weldability, Welding methods - | https://www.youtube.com/watch?v=43ap0j7j2mo |
| 72 | 21 Week | Arc cutting & gouging, | https://www.youtube.com/watch?v=E3TMcX4Clvk |
| 73 | 22 Week | Cast iron and its properties types. | https://www.youtube.com/watch?v=9sYgX5XBZG4 |
| 74 | 22 Week | Welding methods of cast iron. | https://www.youtube.com/watch?v=KK-ij6R0Yxg |
| 75 | 27 Week | Role of fabrication in industry | https://youtu.be/V5EqA0aQW1k |
| 76 | 27 Week | Basic Trigonometric calculations | https://youtu.be/Qk1273Pj9GM |
| 77 | 28 Week | Calculation of volume and surface area of rectangular prism, cubes and cylinders. | https://youtu.be/9n5g3y5w2To |
| 78 | 28 Week | Development of right solids, prisms, cylinders, pyramids, cones, frustum of pyramid, cone etc. (07 hrs.) | https://youtu.be/RqVkIVD8tCc |
| 79 | 29 Week | Workshop practice - Hack sawing, Filing, Chipping, Hand grinding, Marking, Punching, Drilling, Tapping, Die-passing, etc. | https://youtu.be/KgQyuCrOKoU |
| 80 | 29 Week | Drilling machine - construction and operation feature. (07 hrs.) | https://youtu.be/KmtbzL8YlxM |
| 81 | 29 Week | Drilling machine - construction and operation feature. (07 hrs.) | https://youtu.be/DvfmRV84Jus |
| 82 | 30 Week | Milling machine construction and operation. Milling cutter -Types of Milling etc. | https://youtu.be/qG2Qtdd9zt0 |
| 83 | 30 Week | Lathe - construction and operation | https://youtu.be/p_LgK0Ffg20 |
| 84 | 31 Week | Principles of Shielded metal Arc welding (SMAW) | https://youtu.be/kGXQ2oefozc |
| 85 | 31 Week | Basic Electricity of welding power source. AC / DC power source advantages and disadvantages | https://youtu.be/jumScaTd2mI |
| 86 | 31 Week | Polarity types & Arc length. (07 hrs.) | https://youtu.be/r5j1hlb-qtM |
| 87 | 32 Week | Electrode - Types, description & Specification - BIS, AWS, etc. | https://youtu.be/U03u7fut7dI |
| 88 | 32 Week | Selection of electrodes and coating factors. | https://youtu.be/euQqoZ800ss |
| 89 | 32 Week | Tack welding procedure on plate, channels & pipe: Length & pitch. (07 hrs.) | https://youtu.be/ZZX9REZQK6c |
| 90 | 33 Week | Metals used in fabrication. | https://youtu.be/07_PUHU8gTc |
| 91 | 33 Week | Metals used in fabrication. | https://youtu.be/TBKNOTFlZBI |
| 92 | 33 Week | Types of fabrication joints. | https://youtu.be/JhGYPvJYVQw |
| 93 | 33 Week | Types and classification of steel and application. | https://youtu.be/09YJLLrWbLk |
| 94 | 34 Week | Welding symbols. | https://youtu.be/gAyceJb5OWc |
| 95 | 34 Week | Welding symbols. | https://youtu.be/lpsjHvxV5qQ |
| 96 | 34 Week | Structural/ Pressure vessel design drawing reading and understanding the concepts. (07 hrs.) | https://youtu.be/OqRJh5X5Ox8 |
| 97 | 35 Week | Description and operation of croppers, shearing machine, Guillotine shears, punching machines, Edge planning machine and nibbling machine etc. | https://youtu.be/L0YgSmfwzWY |
| 98 | 35 Week | Description and operation of straightening machines. (07 hrs.) | https://youtu.be/sFKNse8Q1lI |
| 99 | 36 Week | Methods of bending plates, angle iron etc. | https://youtu.be/sPW9uelUHlE |
| 100 | 36 Week | Cold bending and hot bending etc. | https://youtu.be/4qdej3Er4ZM |
| 101 | 36 Week | Bending of angles and channels. | https://youtu.be/li0m6rJpP20 |
| 102 | 36 Week | Flame straightening methods. (07 hrs.) | https://youtu.be/dNuSh8ZMKIo |
| 103 | 37 Week | Pipes and pipe fitting - Pipe schedule - types - methods of bending - use of bending fixture - pipe bending machine - use of pipe cutter, pipe wrenches - pipe vices - pipe threads - pipe dies and taps etc.(07 hrs.) | https://youtu.be/J1CPhthqfjc |
| 104 | 37 Week | Pipes and pipe fitting - Pipe schedule - types - methods of bending - use of bending fixture - pipe bending machine - use of pipe cutter, pipe wrenches - pipe vices - pipe threads - pipe dies and taps etc.(07 hrs.) | https://youtu.be/kOeiNTcbTOc |
| 105 | 37 Week | Pipes and pipe fitting - Pipe schedule - types - methods of bending - use of bending fixture - pipe bending machine - use of pipe cutter, pipe wrenches - pipe vices - pipe threads - pipe dies and taps etc.(07 hrs.) | https://youtu.be/A6HoAHtgtDM |
| 106 | 38 Week | Edge preparation for pressure line pipes. | https://youtu.be/iZ8wTUJIu-0 |
| 107 | 38 Week | Fit up procedure. (07 hrs.) | https://youtu.be/9-JS0ib8Tfo |
| 108 | 39 Week | Hand riveting, cold and hot | https://youtu.be/5aTL0Jvrf4I |
| 109 | 39 Week | Methods of riveting | https://youtu.be/qGgqaUyUyRk |
| 110 | 39 Week | Use of pneumatic riveting, hydraulic riveting | https://youtu.be/HfkmzGYSBGY |
| 111 | 39 Week | Removing of bad rivets. (07 hrs.) | https://youtu.be/P78rnjlBtTc |
| 112 | 40 Week | Types of bolts - black bolt, turned bolt, high strength bolt etc. and their application. | https://youtu.be/mVQMhGG0pvI |
| 113 | 40 Week | Types of bolts - black bolt, turned bolt, high strength bolt etc. and their application. | https://youtu.be/qQYjN-JDW-8 |
| 114 | 40 Week | Development of pipe templates for T,Y,K joints. (07 hrs.) | https://youtu.be/wqyaOCM-Q54 |
| 115 | 40 Week | Development of pipe templates for T,Y,K joints. (07 hrs.) | https://youtu.be/Xw6PJYgh4aw |
| 116 | 41 Week | Kind of structures - Column base, plate girders, Gantry girders, Root trusses -description, types and use | https://youtu.be/pgXretqnm-A |
| 117 | 41 Week | Beam connection, beam to column connection - framed connection and seated connection. (07 hrs.) | https://youtu.be/IOHH064IClU |
| 118 | 42 Week | Type of pressure vessels Boilers, Heat exchangers, High pressure pipe lines etc. | https://youtu.be/4KqTiHMbAQM |
| 119 | 42 Week | Type of pressure vessels Boilers, Heat exchangers, High pressure pipe lines etc. | https://youtu.be/ik0FKkvgfDU |
| 120 | 42 Week | Marking for cutting to size, marking for beveling and chamfering and marking for pipes and intersection. (07 hrs.) | https://youtu.be/BzzWWarNc2A |
| 121 | 43 Week | Jigs and Template making - Design and description of templates for cutting - templates of gussets - templates for marking angle. (07 hrs.) | https://youtu.be/gnAwXpZpm90 |
| 122 | 44 Week | Template for marking joint section. | https://youtu.be/v6rWFBkB_Hs |
| 123 | 44 Week | Design and development of jigs for drilling and angles. | https://youtu.be/ETLJoxEMdZc |
| 124 | 44 Week | Design of simple fixture and clamping devices. (07 hrs.) | https://youtu.be/rIQS1-L2Sl8 |
| 125 | 45 Week | Assembly: Procedure and technique for assembly. | https://youtu.be/TeErxz59Sss |
| 126 | 45 Week | Assembling of riveted plates, girders and trusses. (07 hrs. | https://youtu.be/gnAwXpZpm90 |
| 127 | 46 Week | Assembly of welded section. | https://youtu.be/lz5grq4v9GQ |
| 128 | 46 Week | Assembly of cylindrical tanks including fitting and lining of vessels. (07 hrs.) | https://youtu.be/H9vgpuawESU |
| 129 | 47 Week | Distortion & methods of control. | https://youtu.be/2vuGlcbDwKY |
| 130 | 47 Week | Common welding defects. | https://youtu.be/yjBhZ3rXpRg |
| 131 | 47 Week | Inspection and testing. | https://youtu.be/VSipNAt2mmI |
| 132 | 47 Week | Non destructive method of flaw detection-PT, MPT, Ultrasonic & Radiographic inspection. (07 hrs.) | https://youtu.be/08H38uGc9yg |
| 133 | 48 Week | Chipping & Grinding : Chisels & pneumatic chisels used for chipping- Method of chipping and cutting - Types of grinding machines -Grinding wheels - Method of removing welds and rivets by chipping and grinding. | https://youtu.be/ED9HENE5ED0 |
| 134 | 48 Week | Finishing & Painting: Common types of painting. Stenciling, marking and colour marking. (07 hrs.) | https://youtu.be/Uq5BI3s95g8 |
