Explain the uses of iron ferrite?

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HOW TO GET LAST 10 YRS. QUESTION PAPERS

0 Answers   ONGC,

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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 iron ferrite and what is it used for?

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Is there any way through hardening and anodizing some type of aluminum, it could be as hard as steel? I have hardened steel rollers that run up and down on a ramp along with spring pressure. Alternatively, if you are familiar with snowmobiles, the rollers run on the helix on the secondary clutch.

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What is hardest cutting tool material?

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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Why is chromium molybdenum steels used to build pressure vessels?

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State some precautions to be taken in case of powder metallurgy?

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What is the use of gap(snap)gauge

0 Answers   NIC,

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Which plaster is used in gold investment casting?

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What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?

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