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Flux Cored Arc Welding (FCAW)
This is a variation of GMAW where solid wire is replaced by flux cored wire. The equipments and accessoriesare the same. Generally, flux cored wires require additional gas shielding like CO2 and some times largediameter flux cored wires are self shielding type and they do not require additional gas shielding. The mainadvantage of flux cored wire is that we can easily alter the desired levels of alloying elements during manufacture. The process will produce a light slag, which can be easily removed.
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Shielded Metal Arc Welding Single pass fillet welds upto ¼" (6.4 mm) maximum and ¼" groove welds made with a single pass or a single pass each side, may be made by using a
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(a) Evaluate the natural frequency of system shown in figure and show that it will be equal to (b) calculate equivalent stiffness of two springs connected in parallel.
Difference between direct and shear stress
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