Define what are ceramics?

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i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect

0 Answers   IOCL,

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Define what is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbine blades etc. When both are used in the lost-wax method?

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How do you classify lathes?

0 Answers   Essar,

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What is mean by D2 Material used for Die tooling? What are the composition in that?

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What is meant by powder metallurgy?

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

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Differentiate between ferrite percentage and ferrite number?

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

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

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Why steel is preferred for construction of aircraft?

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