What is the major difference between quenching and annealing?
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Upto what negative temperature below zero degree we can use IS 2062 Structural material?
State some precautions to be taken in case of powder metallurgy?
Explain some properties of manganese steel?
What kind of components are fabricated from the superalloys, and what are their roles?
What is a gray surface?
We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?
what is meant by hardening ability of metals?
Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
Give example of heterogeneous systems.
What Is cold working of metals? Give some of its principal methods.
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?
How is metal heavy?