what is the difference between digital signal and discrete signal?

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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?

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How is solution annealing carried out? Define what type of furnace is required? Does one need to be heat in a salt bath?

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what is the cause of attenuation due to powerloss

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A plain carbon steel contains 45 wt% of proeutectoid ferrite. What is its average carbon content in weight percent? I know that you need to use a tie line in the phasediagram, but my book does not really give a good example to go by?

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Define what is widman statten structure?

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carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickle-0.10% molybdenum-trace. what is the grade of the above composition cast iron

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Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?

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What makes super alloys useful for land-based turbines?

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Differentiate between 304 and 316 grades of steel?

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what is the metallurgy use?

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Why is non-destructive testing necessary?

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