Discuss the otto cycle with diagram.

0 Answers   Essar,

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

0 Answers  

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

0 Answers  

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what is a type of graphite in cast iron?

3 Answers   Balaji, Sail,

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Explain heat treatment of brass?

0 Answers  

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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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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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How is metal heavy?

0 Answers  

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What is a master gauge ?

0 Answers   Essar,

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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? Define what is the ratio of dbc to oxalic acid solution in this step?

0 Answers  

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In grey iron sulpher was above 0.15% what react on metal?

0 Answers  

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What is a gray surface?

0 Answers   Essar,

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