Define rivets.

0 Answers   Essar,

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Define what medal conducts heat best?

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Why same casting has different hardness and machineability properties? One spot it is found hard for machining and another spot soft? It is FG 260 grade for Cast Iron.

4 Answers  

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what is the difference between digital signal and discrete signal?

1 Answers  

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Witch type curome oxide in ms matle?

0 Answers  

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What is the use of core prints?

0 Answers   NIC,

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What is equivalent is 2004 cl 5

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The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?

2 Answers  

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What is the critical speed of shaft?

0 Answers   Essar,

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where do i get previous question papers of metallurgy?

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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what metal cord transfers electricity?

0 Answers  

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