We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?
512what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
525Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?
535Why 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?
528Are the grain boundaries a continuation of regular lattice structure from one grain to another? Explain.
535
what is wedge load test method . what is offset method .
Define knurling.
What is a gray surface?
What is galvanising?
Explain cementite?
Explain metallurgical microscopes?
Explain the concept of casting and forging?
Where is iron ferrite found?
Define what is the metallurgy use? Define what is the casting and forging?
Define what are ceramics?
Define boring.
sir please send me previous question papers on metallurgy at vishal.nitrr07@gmail.com .....thank you
Explain heat treatment of brass?
what 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?
When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.
