1st Semester
1) Importance of Welding and its application in industry and rural areas. Safety in manual Metal Arc Welding. Safety in Oxy-Acetylene welding and cutting. Elementary knowledge of working & measuring tools.
2) Gas and Arc welding equipment, their uses, care and maintenance.
3) Different processes of metal joint - bolting, rivetting, soldering, brazing and welding.
4) Oxy-Acetylene welding and cutting equipment and their application
5) Common gases used for Welding - Oxygen, Hydrogen and Acetylene. Type of Oxy-Acetylene flames their Setting and uses. Various gas combinations, flame temperatures and their uses.
6) Types of welding joints - Explanation with simple sketches
7) Acetylene - its properties and dissolved Acetylene in cylinder
8) Oxygen - its properties and Oxygen cylinders, Safety precautions in handling cylinders.
9) Regulators and Welding blow pipes, types, construction and uses.
10) Defects in Gas and Arc welding.
11) Welding of Aluminium, Flame and angle of blow pipe, Filler rod and Flux.
12) Welding of dissimilar metals, Flame setting, use of filler rod and flux, Precautions.
13) Different flame cutting equipment, manual and machines, Flame setting for Mild Steel. Precautions to be observed during cutting.
14) Different Arc Welding processes.
15) Polarity and its importance in Arc Welding and its application.
16) Welding positions - Flat, Horizontal, Vertical and Overhead.
17) Electrodes, Types of Flux coating, Precautions in handling & storage of electrodes.
18) Cast Iron - its properties and welding.
19) Copper - its properties and welding
20) Inspection and testing of welds, Destructive and Non Destructive tests.
21) Introduction to Advance Welding methods
a. Submerged Arc Welding
b. Tungsten Insert Gas Welding
c. CO2 Welding
d. Electron Beam Welding
e. Friction Welding
f. Arc Brazer
g. Thermal welding
h. Resistance welding