Define what is the metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?
670When using mercury to recover very, fine gold from ore, define what is the best way to separate the gold laden mercury from the ore?
538When austenitized, carbon steel is quenched, why is the bcc crystal elongated into a body-centered tetragonal crystal structure?
544
State some precautions to be taken in case of powder metallurgy?
Define what is the difference between diagrams of it and ct in heat treatment of steels?
When using mercury to recover very, fine gold from ore, define what is the best way to separate the gold laden mercury from the ore?
does any one has gate solutions of 2007,08,09 metallurgical engg papers?
Does the extrusion process for a355 and a356 alloy have any impact on the impact energy?
Why duplex or super duplex stainless steels are welded with low heat input type electrode?
Define rivets.
What is d2? What is it used for?
How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?
What is the most ductile metal?
What is heat treatment?
Define what are metallurgical microscopes?
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?
What is iron ferrite and what is it used for, and where is it found?
What is the use of damper?
