What is the difference between DI pipes, Cast Iron pipes, LA Pipes, SW pipes, SWR Pipes, RCC hume pipe, RCC spun pipe ? What are their IS codes and applications ?

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What is the difference between IS:2062-92 Gr A and IS:2062 Fe 410

1 Answers   M&M Associates, MM Enterprises,

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What is carbide?

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What is iron ferrite?

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The stress concentration is caused due to ?

0 Answers   NIC,

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

0 Answers  

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Which pump is preferred for small discharge at high pressure?

0 Answers   NIC,

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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 special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

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what is widman statten structure?

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What is the use of core prints?

0 Answers   NIC,

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Discuss about advatages and limitations of powder metallurgy.

0 Answers   John Deere,

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