What is a gray surface?

0 Answers   Essar,

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what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?

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What is carbide?

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For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Whatis the ratio of dbc to oxalic acid solution in this step?

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What is the melting point of e70 steel, 304,308,316 stainless steels?

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Why do the Gamma Prime and Gamma Double Prime phases play such an important role in promoting strength in the superalloys?

1 Answers  

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Define what other events in history might have affected the growth of metallurgy?

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What is thermodynamic state of metal?

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The moment of inertia of an area is always least with respect to ?

0 Answers   NIC,

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what is the different between ferrite percentage and ferrite number?

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Is it possible to use metallurgical inverted microscope to other designation?

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