Which plaster is used in gold investment casting?

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Any body know when the medicals are starting for the BSI P.O , if anybody got any call letter please let me know

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

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Define what is proeutectoid ferrite and cementite?

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How can you find out what kind of stainless steel was used in making a stainless object?

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sir.I am OBC candidate,recieved scholarship/freeship during academic year 2011-2012,2012-2013(my yearly income was below 4.5 lakh).my yearly income during academic year 2013-2014 was above 4.5 lakh.should I get scholarship/freeship in academic year 2013-2014 ?

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what happens when hot liquid falls on water and why?

3 Answers   Mannar Company, TATA,

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Define what is a silver and deming drill bit?

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what is the grain size of lead as an element and as an alloy such as lead tin alloy?

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What is the melting point of brass?

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What is iron ferite?

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Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.

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