When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?

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For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)

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Define what is the casting and forging?

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What is the melting point of brass?

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what is the chemical composition of ceramic and define what is its atomic density?

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Define what medal conducts heat best?

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Does the extrusion process for a355 and a356 alloy effect on the amount of impact energy?

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What is the use of gap(snap)gauge

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A plain carbon steel contains 45 wt% of proeutectoid ferrite. Define what is its average carbon content in weight percent? I know that you need to use a tie line in the phase diagram, but my book does not really give a good example to go by

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What is carbide?

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When austenitized, carbon steel is quenched, why is the bcc crystal elongated into a body-centered tetragonal crystal structure?

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What is iron ferrite, define what is it used for, and where is it found?

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