Define what is widman statten structure?

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Define what is the ratio of dbc to oxalic acid solution in this step?

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Why duplex or super duplex stainless steels are welded with low heat input type electrode?

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Define what is the difference between stainless steel and alloy steel?

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On what Purpose helical gears are used?

0 Answers   NIC,

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what is the chemical composition of ceramic and define what is its atomic density?

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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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Which is the only liquid in which gold is dissolved?

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Is there a possibility of inducing stress cracking in an insulated stainless road tanker vessel (20 tonne capacity) if the vessel is subject to rapid filling (10 tonne /hr) with liquid methane (-160 c) assuming the vessel is at ambient. If so, where could I obtain suggested cooling rates?

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what is the difference between stainless steel and alloy steel?

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Explain super alloys?

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What is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbineblades etc. When both are used in the lost-wax method?

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