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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.
Describe Inversion and Mechanism. Illustrate in detail all inversions of 4-Bar chain Mechanism. (a) Explain all the types of constrained motion with examples. (b) Explain in
Variables used in WPS Depending on their influence on obtaining a desired weldment, the welding variables are then classified and listed. Some of them are listed as "Essential
why the pressure will reduce when the velocity increases
Illustrate the following : a. Ash handling system b. Dust collection What are the impurities in the water and how they are replaced for use as feed water in modern thermal
The aim of this assignment is for the student to use the information, data and analysis techniques presented during lectures to design a belt drive transmission for a ventilation f
the time of flight on any incline plane.
Stainless Steel Electrodes A variety of stainless steel electrodes are now being manufactured to produce weld metal similar to composition of most base metals. However, the analy
Loading Conditions Non-uniformity of loading has to be considered in the choice of foundations particularly in highly compressible soils. It is not uncommon for buildings with
Describe the basic concept of descriptive interface Descriptive interfaces are the window to other CAD systems, to the master databases or to the manufacturing activities. The
Components &it function?
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