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SHIELDING GASES
Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination.
Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications.
a) Answer the following equations by Factorization method 10x+y+z =12 ; 2x+10y+z =13 ; 2x+2y+10z=14 b) Apply Gauss-Seidal Iteration method to solve the equations 20x+y-2z
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Classification of system of forces
Laser-induced breakdown spectroscopy (LIBS) is a type of spectroscopy that uses plasma generated by a laser pulse. A schematic of a LIBS system is shown in the figure. The laser is
Explain the Creation Phase of radial drilling machine Objective: "To generate alternative methods for providing the function, through creative thinking, brainstorming and
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A vessel is in the shape of a truncated cone having diameter of 1 meter at the top and 2 meter at the bottom and height 2 meter. If it is fully filled with water determine the upwa
Micrometer (or Screw Gauge): There are two different types of micrometers - inside and outside micrometers. A micrometer also has two scales - Main scale and Vernier scale (Figure
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