Give example of heterogeneous systems.

0 Answers   Essar,

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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?

0 Answers  

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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? Whatis the ratio of dbc to oxalic acid solution in this step?

0 Answers  

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Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?

0 Answers  

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What is galvanising?

0 Answers   NIC,

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Explain some properties of manganese steel?

0 Answers  

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What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?

0 Answers  

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what is meant by hardening ability of metals?

0 Answers  

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full form of sn

6 Answers  

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In welding, arc is too long due to ?

0 Answers   NIC,

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What is the use of piezometer

0 Answers   NIC,

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what is difference between IS 1018 and IS 2062 E 250A

0 Answers   Tata Chemicals,

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