Give example of heterogeneous systems.

0 Answers   Essar,

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Define 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 turbine blades etc. When both are used in the lost-wax method?

0 Answers  

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what is the difference between digital signal and discrete signal?

1 Answers  

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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 ?

0 Answers  

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How much gold is in a troy ounce?

0 Answers  

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Why we are doing post heating in alloy steel welding?

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 M33×2

0 Answers   NIC,

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What Is cold working of metals? Give some of its principal methods.

0 Answers   Essar,

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Which liquid can dissolve gold?

0 Answers  

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Is it possible to design heat treatment processes such that a gradient in grain size is produced?

4 Answers  

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difference between sand casting and shell casting

0 Answers  

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