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podai

What is the help of crowning on pulleys

0 Answers   NIC,

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What is iron ferrite and where is it found?

0 Answers  

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When using mercury to recover very, fine gold from ore, define what is the best way to separate the gold laden mercury from the ore?

0 Answers  

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Explain proeutectoid ferrite

1 Answers  

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How one can differentiate between 304 & 316 grades of steel (physically)?

0 Answers  

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What is the usgae of angle plate ?

0 Answers   Essar,

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What is galvanising?

0 Answers   NIC,

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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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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 is widman statten structure?

0 Answers  

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What is or what characterize the thermodynamic state of metal (structure of metal)?

0 Answers  

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What is heat treatment?

0 Answers  

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