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?

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What is the difference between diagrams of it and ct in heat treatment of steels?

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For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)

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What is the melting point of e70 steel, 304,308,316 stainless steels? In addition, what is the hottest part of the flame in a fire?

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What does allotropic mean what does iron and steel have to do with it?

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What is iron ferite?

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The main metal used by the Indus Valley people was

4 Answers   RRB,

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Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?

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Water hammer in pipes occur due to ?

0 Answers   NIC,

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Which liquid can dissolve gold?

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what is the metallurgy use?

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acetylene is stored in ?

0 Answers   NIC,

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