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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.
what is feathering system in turbo prop type aircraft
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calculate the dryness fractin of steam which has 1.5kg of water in suspension with 50kg of steam
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Question: (a) When you are provide a design brief, marketing forms an important aspect that involves researching and computing a potential opportunity to enter a market. What
sand casting and its type
Phase of or
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Evaluatio n the Enthalpy of Steam: Let h f = Heat of liquid or sensible heat of water in KJ/kg h f g = Latent heat of vaporization of steam in KJ/kg t
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