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?
532For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
533what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?
497Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.
534Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?
509
Define what other events in history might have affected the growth of metallurgy?
What are the uses of electroplating?
Define what is the casting and forging?
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)
Explain some properties of manganese steel?
What is the material of E185
For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
What is thermodynamic state of metal?
How does iron and steel exhibit allotropy?
Define grinding.
what other events in history might have affected the growth of metallurgy?
What is iron ferrite and what is it used for, and where is it found?
What is the specific heat value for liquid ?
Explain wear resistance of titanium?
Which type of welding is used for welding of duplex and super duplex steel?
