Answer Posted / guest

sulphide ore:
chalcopyrite
chalcocite
bornite
oxide ore
malachite
azurite
cuprite

What is impact energy?

544

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Which type of welding is used for welding of duplex and super duplex steel?

518

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Explain some properties of manganese steel?

575

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What is calibration of an instrument?

600

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

541

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what is the different between ferrite percentage and ferrite number?

510

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what is the metallurgy use?

580

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Define what is the melting point of e70 steel, 304,308,316 stainless steels? In addition, define what is the hottest part of the flame in a fire?

668

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?

594

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Define knurling.

695

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What happens to the microstructure during service exposure?

1860

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What metal cord transfers electricity, and how can I tell?

483

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Discuss the otto cycle with diagram.

605

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What are the componentsof SCS14 ?

2735

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What is equivalent is 2004 cl 5

1577

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