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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How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?

0 Answers  

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

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What is heat treatment?

0 Answers  

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Unlike materials as well as materials of different thickness can be butt welded by ?

0 Answers   NIC,

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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 a type of graphite in cast iron?

3 Answers   Balaji, Sail,

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Describe strain aging based on dislocation theory?

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How is solution annealing carried out? What type of furnace is required?

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diffrent beetwen eutoctoid &eutectic steel

8 Answers   KRL, Qatar Steel,

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Does the extrusion process for a355 and a356 alloy effect on the amount of impact energy?

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Explain super alloys. What makes them useful for land-based turbines?

0 Answers  

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