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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 beam, 6 m long is simply supported at the ends, and carries a uniformly distributed load of 15 KN/m and three loads of 10 KN, 20 KN and 30 KN acting respectively at the centre po
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the jet transport b is flying north with a velocity vb=600km/h when a smaller aircraft a passes un-derneath the transport
microscopic and macroscopic approch
Diff. B/w edge and screw dislocation
Question: As shown in the figure, the jet transport B is flying north with a velocity V B = 600 Km/h when a smaller aircraft A passes underneath the transport headed in the 60
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