what metal cord transfers electricity?

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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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The requirement for ASTM A217 Gr. WC9 castings for valves components like Body and Bonnet were Normalising at 920+/- 20 Deg. C and Tempring 780+/- 20 Deg. C The specification calls furnace shall be calibtated within +/-14 deg. C The Heat Chart shows minimum temperature for normalising 900 to 920 Deg. C, but maximum temperature 960-990 Deg. C Tempering 780+/-20 Deg. C is within limits and accepted. Casting having integral test bars, heat trated along with castings passed in chemical znalysis and mechanical properties. Since normalising maximum temperature is not meeting specification, where castings can be salvaged or renormalised and retempered to meet specification. Whether it will have affect on remechanical properties testing

0 Answers   Leader Valves,

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Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?

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What is meant by powder metallurgy?

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How to melt the solidified copper accretions in copper scrap melting furnace?

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how would you find out the type of stailess steel that has been used to make your dish?

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We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?

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is nickel considered a non-sparking metal?

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Which liquid would oyu use to dissolve gold?

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Define stiffness.

0 Answers   Essar,

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1)We are using OHNS material for manufacturing Thread & plain Gauges.What is the excat composition of OHNS for Gauges? 2)Which is the reference standard book for OHNS Material composition for Gauges?

0 Answers   Sail,

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