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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.
Evaluate resultant of the system: Q: Figure given below shows two vertical forces and couple of moment 2000 Nm acts on horizontal rod, which is fixed at end A . Determin
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Risks associated with identified hazards can be reduced to a reasonable level through the application of good design principles that are focused on integrating safety into the over
A 1.2 m diameter steel pipe carries oil of relative density 0.822 under a head of 70 m of oil. What minimum thickness of 120 MPa (yield stress) steel would be required for a safety
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What are main important terms included in the footings? Term included in the footings: a. described different types of footings and the process of selecting each type, b.
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