What is d2? What is it used for?

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Explain any method through which molds can shine after casting?

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What is round-robin scheduling in OS?

0 Answers   Essar,

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In welding, arc is too long due to ?

0 Answers   NIC,

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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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Which of different types of cast irons is stronger? Is their strength superior to steels?

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Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?

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Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.

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difference between sand casting and shell casting

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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?

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

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How gold can be separated from mercury?

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