Where is iron ferite used?

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Explain vacuum induction melting?

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What is the major difference between quenching and annealing?

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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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What is carbon steel ?

0 Answers   NIC,

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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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What is the melting point of e70 steel, 304,308,316 stainless steels?

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what happens when a EM wave is transmitted

1 Answers  

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how do you prefer your name with initials to be stated in written communication

3 Answers   Ascent, L&T,

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Why same casting has different hardness and machine-ability properties?

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Define what is the casting and forging?

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