What is lathe bed made of ?
Differentiate between 304 and 316 grades of steel?
Why is chromium molybdenum steels used to build pressure vessels?
What is the melting point of e70 steel, 304,308,316 stainless steels?
Define what is widman statten structure?
Define what other events in history might have affected the growth of metallurgy?
How one can differentiate between 304 & 316 grades of steel (physically)?
What is a gray surface?
Which is the only liquid in which gold is dissolved?
Explain dislocation theory?
Why is chromium molybdenum steels used to build pressure vessels? Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
What is the most ductile metal?
When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and define what are the basic thing, which makes such a difference.
How gold can be separated from mercury?
What are the materials used to manufacture Aeroplane Wings?